/* ============================================================
   FORGELY — core design system
   ============================================================ */

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

*, *::before, *::after { box-sizing: border-box; }

:root {
  /* surface */
  --black:      #000000;
  --near:       #050506;
  --raise:      #0b0b0d;
  --line:       rgba(255,255,255,0.08);
  --line-soft:  rgba(255,255,255,0.045);

  /* type */
  --fg:         #f2f2f4;
  --fg-dim:     #a0a0a8;
  --fg-mute:    #66666f;

  /* accent — restrained, one hue per domain */
  --accent:     #d8d8dc;
  --gold:       #c8a24a;   /* trading / XAUUSD */
  --lum:        #ff7a2f;   /* Luminas */
  --game:       #7f6bd6;   /* game dev */
  --ai:         #4fa8a0;   /* ai / ml */

  --font:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono:  'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  --ease:      cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io:   cubic-bezier(0.65, 0, 0.35, 1);

  --gut:       clamp(20px, 5vw, 80px);
  --maxw:      1280px;
}

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

body {
  margin: 0;
  background: var(--black);
  color: var(--fg);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

::selection { background: var(--fg); color: var(--black); }

/* ---------- scrollbar ---------- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: #1c1c20; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #2c2c33; }

/* ============================================================
   TYPE SCALE
   ============================================================ */

.display {
  font-size: clamp(2.75rem, 9vw, 8rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 0.94;
  margin: 0;
}

.h1 {
  font-size: clamp(2.1rem, 5.5vw, 4.25rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.04;
  margin: 0;
}

.h2 {
  font-size: clamp(1.4rem, 2.6vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0;
}

.h3 {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin: 0;
}

.body-lg {
  font-size: clamp(1rem, 1.35vw, 1.15rem);
  color: var(--fg-dim);
  line-height: 1.65;
}

.body {
  font-size: 0.95rem;
  color: var(--fg-dim);
  line-height: 1.7;
}

.small {
  font-size: 0.82rem;
  color: var(--fg-mute);
  line-height: 1.6;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-mute);
  margin: 0 0 22px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.mono { font-family: var(--mono); }

/* ============================================================
   LAYOUT
   ============================================================ */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.section {
  position: relative;
  padding-block: clamp(90px, 13vh, 170px);
  z-index: 2;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: clamp(44px, 6vw, 76px);
}
.section-head .lead { max-width: 42ch; }

.rule {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}

/* ============================================================
   SHARED — reveal on scroll
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

.reveal[data-d="1"] { transition-delay: 0.07s; }
.reveal[data-d="2"] { transition-delay: 0.14s; }
.reveal[data-d="3"] { transition-delay: 0.21s; }
.reveal[data-d="4"] { transition-delay: 0.28s; }
.reveal[data-d="5"] { transition-delay: 0.35s; }

/* line-by-line masked text */
.line-mask { overflow: hidden; display: block; }
.line-mask > span {
  display: block;
  transform: translateY(105%);
  transition: transform 1.05s var(--ease);
  will-change: transform;
}
.reveal.in .line-mask > span,
.line-mask.in > span { transform: none; }
.line-mask[data-d="1"] > span { transition-delay: 0.08s; }
.line-mask[data-d="2"] > span { transition-delay: 0.16s; }
.line-mask[data-d="3"] > span { transition-delay: 0.24s; }

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  --btn-fg: var(--fg);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 15px 30px;
  border-radius: 100px;
  border: 1px solid var(--line);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--btn-fg);
  overflow: hidden;
  isolation: isolate;
  transition: color 0.5s var(--ease), border-color 0.5s var(--ease), transform 0.35s var(--ease);
  will-change: transform;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--fg);
  border-radius: inherit;
  transform: translateY(101%);
  transition: transform 0.55s var(--ease);
  z-index: -1;
}
.btn:hover { color: var(--black); border-color: transparent; }
.btn:hover::before { transform: none; }
.btn:focus-visible { outline: 2px solid var(--fg); outline-offset: 3px; }

.btn--solid { background: var(--fg); color: var(--black); border-color: var(--fg); }
.btn--solid::before { background: var(--black); }
.btn--solid:hover { color: var(--fg); border-color: var(--fg); }

.btn .arrow { transition: transform 0.45s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ============================================================
   MOTION / A11Y
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .line-mask > span { transform: none; }
}

.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: fixed;
  top: 12px; left: 12px;
  z-index: 999;
  padding: 12px 20px;
  background: var(--fg);
  color: var(--black);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  transform: translateY(-160%);
  transition: transform 0.3s var(--ease);
}
.skip-link:focus { transform: none; }