/* ==========================================================================
   Global Propertunities Group — Design System
   Tokens, reset, typography, layout primitives
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Brand */
  --brand-cyan:        #22A7D0;
  --brand-cyan-bright: #38C3EC;
  --brand-cyan-deep:   #11789A;
  --brand-ink:         #101015;

  /* Surfaces (dark-first) */
  --bg:          #0B0C10;
  --bg-raised:   #101218;
  --bg-sunken:   #07080B;
  --surface:     #15181F;
  --surface-2:   #1B1F28;
  --line:        rgba(255,255,255,.09);
  --line-strong: rgba(255,255,255,.16);

  /* Text */
  --text:        #F2F4F8;
  --text-muted:  #A2AAB8;
  --text-dim:    #6E7685;

  /* Accents */
  --accent:      var(--brand-cyan);
  --accent-soft: rgba(34,167,208,.12);
  --accent-line: rgba(34,167,208,.32);
  --gold:        #D8B46A;

  /* Type */
  --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, system-ui, sans-serif;
  --fs-xs:   .75rem;
  --fs-sm:   .875rem;
  --fs-base: 1rem;
  --fs-lg:   clamp(1.05rem, .98rem + .35vw, 1.2rem);
  --fs-xl:   clamp(1.3rem, 1.15rem + .7vw, 1.6rem);
  --fs-h3:   clamp(1.45rem, 1.25rem + .9vw, 2rem);
  --fs-h2:   clamp(1.95rem, 1.5rem + 2vw, 3.1rem);
  --fs-h1:   clamp(2.5rem, 1.75rem + 3.4vw, 4.5rem);

  /* Space */
  --gutter: clamp(1.25rem, .9rem + 1.6vw, 2.5rem);
  --section-y: clamp(4rem, 2.8rem + 5.5vw, 7.5rem);
  --maxw: 1240px;
  --maxw-narrow: 820px;

  /* Shape */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 12px 32px -12px rgba(0,0,0,.6);
  --shadow-lg: 0 32px 64px -24px rgba(0,0,0,.7);
  --glow: 0 0 0 1px var(--accent-line), 0 20px 60px -24px rgba(34,167,208,.45);

  /* Motion */
  --ease: cubic-bezier(.22,1,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --t-fast: .18s;
  --t: .32s;
  --t-slow: .6s;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}
body {
  font-family: var(--font);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video, picture { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
h1, h2, h3, h4 { line-height: 1.1; font-weight: 800; letter-spacing: -.03em; text-wrap: balance; }
p { text-wrap: pretty; }
::selection { background: var(--accent); color: #04121A; }

:focus-visible {
  outline: 2px solid var(--brand-cyan-bright);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* ---------- Layout primitives ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--narrow { max-width: var(--maxw-narrow); }
.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: clamp(3rem, 2rem + 4vw, 5.5rem); }

.stack > * + * { margin-top: var(--stack, 1rem); }
.grid { display: grid; gap: clamp(1rem, .6rem + 1.4vw, 1.75rem); }

/* ---------- Type helpers ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: '';
  width: 28px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent));
}
.lede {
  font-size: var(--fs-lg);
  color: var(--text-muted);
  line-height: 1.7;
}
.h2 { font-size: var(--fs-h2); }
.h3 { font-size: var(--fs-h3); }
.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); }
.accent-text { color: var(--accent); }

.gradient-text {
  background: linear-gradient(135deg, #fff 10%, var(--brand-cyan-bright) 55%, var(--brand-cyan-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--accent);
  --btn-fg: #04121A;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: .95rem 1.6rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: var(--fs-sm);
  letter-spacing: -.01em;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid transparent;
  transition: transform var(--t-fast) var(--ease),
              box-shadow var(--t) var(--ease),
              background-color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
  white-space: nowrap;
  position: relative;
  isolation: isolate;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -14px rgba(34,167,208,.75); }
.btn:active { transform: translateY(0); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--text);
  border-color: var(--line-strong);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: none;
}
.btn--lg { padding: 1.1rem 2rem; font-size: var(--fs-base); }
.btn--block { width: 100%; }

.btn__arrow { transition: transform var(--t) var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---------- Cards ---------- */
.card {
  background: linear-gradient(180deg, var(--surface), var(--bg-raised));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(1.5rem, 1.1rem + 1.2vw, 2.25rem);
  position: relative;
  overflow: hidden;
  transition: border-color var(--t) var(--ease),
              transform var(--t) var(--ease),
              box-shadow var(--t) var(--ease);
}
.card:hover {
  border-color: var(--accent-line);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
  transition-delay: var(--delay, 0ms);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Utilities ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 50%; top: 0; transform: translate(-50%, -150%);
  z-index: 200; background: var(--accent); color: #04121A;
  padding: .7rem 1.2rem; border-radius: 0 0 var(--r-sm) var(--r-sm); font-weight: 700;
  transition: transform var(--t) var(--ease);
}
.skip-link:focus { transform: translate(-50%, 0); }