/* =============================================================
   OASIS GROUP — Dark Theme Stylesheet
   GEX Command Center V3 — Coming Soon Landing Page
   ============================================================= */

/* --- Google Fonts: Geist + Geist Mono --- */
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500;600&display=swap');

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

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

/* --- Design Tokens --- */
:root {
  /* Typography */
  --font-body: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', 'SF Mono', 'Fira Code', monospace;
  --font-display: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);

  /* Spacing (4px base) */
  --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;

  /* Oasis Dark Palette */
  --color-bg:              #0a0f1a;
  --color-surface:         #0f1525;
  --color-surface-2:       #141b2d;
  --color-surface-offset:  #111827;
  --color-border:          #1e293b;
  --color-border-light:    #2a3650;
  --color-divider:         #1a2236;

  /* Text */
  --color-text:            #e2e8f0;
  --color-text-muted:      #94a3b8;
  --color-text-faint:      #64748b;
  --color-text-inverse:    #0a0f1a;

  /* Accent — Teal/Cyan */
  --color-primary:         #00d4aa;
  --color-primary-hover:   #00f0c0;
  --color-primary-active:  #00b894;
  --color-primary-muted:   rgba(0, 212, 170, 0.12);
  --color-primary-glow:    rgba(0, 212, 170, 0.15);

  /* Gold/Amber — Early Access */
  --color-gold:            #d4a017;
  --color-gold-muted:      rgba(212, 160, 23, 0.12);
  --color-gold-text:       #f0d060;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(0, 212, 170, 0.08);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* --- Base --- */
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }

::selection {
  background: rgba(0, 212, 170, 0.25);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }

a, button, [role="button"], [role="link"], input, textarea, select {
  transition: color var(--transition-interactive),
              background var(--transition-interactive),
              border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
}

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

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

/* =============================================================
   NAVIGATION
   ============================================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 15, 26, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
}

.nav__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.nav__brand-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.nav__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 400;
  letter-spacing: 0.01em;
}

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

.nav__login-link {
  color: var(--color-text) !important;
  font-weight: 500 !important;
  padding: var(--space-2) var(--space-4);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.nav__login-link:hover {
  border-color: var(--color-accent) !important;
  color: var(--color-accent) !important;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
}

.badge--gold {
  background: var(--color-gold-muted);
  color: var(--color-gold-text);
  border: 1px solid rgba(212, 160, 23, 0.2);
}

.badge--primary {
  background: var(--color-primary-muted);
  color: var(--color-primary);
  border: 1px solid rgba(0, 212, 170, 0.2);
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-muted);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }
  .nav__links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    flex-direction: column;
    background: var(--color-surface);
    border-left: 1px solid var(--color-border);
    padding: var(--space-16) var(--space-8);
    gap: var(--space-6);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 200;
  }
  .nav__links.is-open {
    transform: translateX(0);
  }
  .nav__overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 150;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  .nav__overlay.is-open {
    opacity: 1;
    pointer-events: auto;
  }
}

/* =============================================================
   SECTIONS — Shared
   ============================================================= */
.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-6);
}

.section__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.section__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.section__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.7;
}

/* =============================================================
   HERO
   ============================================================= */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-24) var(--space-6) var(--space-16);
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero__bg svg {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0.06;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.hero__brand-accent {
  color: var(--color-primary);
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.hero__subhead {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 56ch;
  margin: 0 auto var(--space-8);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  background: var(--color-primary-muted);
  border: 1px solid rgba(0, 212, 170, 0.2);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* Decorative pulse line */
.hero__pulse {
  position: absolute;
  bottom: 10%;
  left: 0;
  right: 0;
  height: 120px;
  opacity: 0.08;
  z-index: 0;
}

/* =============================================================
   FEATURES
   ============================================================= */
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
}

.feature-card:hover {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-glow);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}

.feature-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.feature-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .features__grid { grid-template-columns: 1fr; }
}

/* =============================================================
   PRICING
   ============================================================= */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-10);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card--featured {
  border-color: rgba(212, 160, 23, 0.3);
  box-shadow: 0 0 40px rgba(212, 160, 23, 0.05);
}

.pricing-card__badge {
  position: absolute;
  top: calc(-1 * var(--space-3));
  left: var(--space-6);
}

.pricing-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  margin-top: var(--space-2);
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.pricing-card__amount {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.03em;
}

.pricing-card__period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.pricing-card__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.pricing-card__note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-style: italic;
  margin-bottom: var(--space-6);
  padding: var(--space-3) var(--space-4);
  background: rgba(100, 116, 139, 0.06);
  border-radius: var(--radius-md);
  border-left: 2px solid var(--color-border-light);
}

.pricing-card__features {
  list-style: none;
  margin-bottom: var(--space-8);
  flex: 1;
}

.pricing-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.pricing-card__features li svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  color: var(--color-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition-interactive);
  letter-spacing: 0.01em;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 0 20px rgba(0, 212, 170, 0.2);
  color: var(--color-text-inverse);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-light);
}

.btn--outline:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.btn--full {
  width: 100%;
}

@media (max-width: 700px) {
  .pricing__grid { grid-template-columns: 1fr; max-width: 440px; }
}

/* =============================================================
   ABOUT
   ============================================================= */
.about__content {
  max-width: 65ch;
  margin-top: var(--space-6);
}

.about__content p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

/* =============================================================
   CONTACT
   ============================================================= */
.contact__box {
  margin-top: var(--space-6);
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 500px;
}

.contact__box p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.contact__email {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-primary);
  text-decoration: none;
}

.contact__email:hover {
  color: var(--color-primary-hover);
}

/* =============================================================
   FOOTER
   ============================================================= */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-10) var(--space-6);
  margin-top: var(--space-8);
}

.footer__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.footer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer__links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  text-decoration: none;
}

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

.footer__disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.6;
  max-width: 80ch;
  margin-top: var(--space-4);
}

.footer__attribution {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
}

.footer__attribution a {
  color: var(--color-text-faint);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

/* =============================================================
   LEGAL PAGES
   ============================================================= */
.legal {
  padding-top: var(--space-24);
  padding-bottom: var(--space-16);
}

.legal__inner {
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.legal__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.legal__date {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-10);
  font-family: var(--font-mono);
}

.legal__content h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.legal__content h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.legal__content p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.legal__content ul, .legal__content ol {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.legal__content li {
  margin-bottom: var(--space-2);
}

.legal__content a {
  color: var(--color-primary);
}

.legal__content a:hover {
  color: var(--color-primary-hover);
}

.legal__content strong {
  color: var(--color-text);
  font-weight: 600;
}

/* =============================================================
   UTILITIES
   ============================================================= */
.text-center { text-align: center; }
.text-mono { font-family: var(--font-mono); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }

/* Gradient line decoration */
.gradient-line {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  margin-bottom: var(--space-6);
}

/* Divider between sections */
.section-divider {
  border: none;
  height: 1px;
  background: var(--color-border);
  max-width: var(--content-wide);
  margin: 0 auto;
}