/* =========================================================================
   base.css — design tokens, reset, animated background, typography
   Personal portfolio · ultra-modern glassmorphism · tech direction
   ========================================================================= */

/* Local mono kept for terminal-style kicker labels (deliberate 3rd face for
   an IT portfolio — used sparingly). Display + body load from Google Fonts. */
@font-face {
  font-family: "Space Mono Local";
  src: url("/fonts/Space_Mono/SpaceMono-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

:root {
  /* ---- Palette (deep space + emerald-green / vibrant orange accents) ---- */
  --bg-0: #05070d;            /* page base */
  --bg-1: #090c15;            /* raised base */
  --ink: #eaf0f8;             /* primary text */
  --ink-soft: #aab6c8;        /* secondary text */
  --ink-faint: #6b778c;       /* tertiary / captions */

  --accent: #2fa36b;          /* dark emerald-green */
  --accent-2: #ff6b2b;        /* vibrant orange */
  --accent-3: #ffab5e;        /* warm amber */
  --accent-ink: #ffffff;      /* text on accent fills */

  /* ---- Glass surfaces ---- */
  --glass: rgba(255, 255, 255, 0.045);
  --glass-strong: rgba(255, 255, 255, 0.07);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-border-hi: rgba(255, 255, 255, 0.18);
  --glass-blur: 18px;

  /* ---- Gradients (green only — orange is a solid accent, never gradient) ---- */
  --grad-accent: linear-gradient(120deg, #1e7a50 0%, #2fa36b 55%, #3dbb7e 100%);
  --grad-text: linear-gradient(100deg, #c4f0d8 0%, #2fa36b 45%, #1e7a50 100%);

  /* ---- Typography ---- */
  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "Space Mono Local", ui-monospace, "SFMono-Regular", monospace;

  --text-kicker: clamp(0.72rem, 0.68rem + 0.2vw, 0.8rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.1rem);
  --text-lead: clamp(1.1rem, 1rem + 0.6vw, 1.35rem);
  --text-h3: clamp(1.25rem, 1.05rem + 1vw, 1.7rem);
  --text-h2: clamp(1.9rem, 1.4rem + 2.4vw, 3rem);
  --text-hero: clamp(2.8rem, 1.2rem + 8vw, 6.5rem);

  /* ---- Spacing & rhythm ---- */
  --space-section: clamp(4rem, 3rem + 6vw, 9rem);
  --radius: 18px;
  --radius-lg: 26px;
  --radius-pill: 999px;

  /* ---- Motion ---- */
  --dur-fast: 160ms;
  --dur: 320ms;
  --dur-slow: 600ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ---- Elevation ---- */
  --shadow-soft: 0 10px 30px -12px rgba(0, 0, 0, 0.6);
  --shadow-lift: 0 28px 60px -22px rgba(0, 0, 0, 0.75);
  --glow-accent: 0 0 0 1px rgba(47, 163, 107, 0.3), 0 18px 50px -18px rgba(47, 163, 107, 0.45);
}

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

html {
  scroll-behavior: smooth;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background-color: var(--bg-0);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.05;
  margin: 0;
  letter-spacing: -0.02em;
}

p { margin: 0; }

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

::selection {
  background: rgba(47, 163, 107, 0.28);
  color: #fff;
}

/* Accessible focus ring across all interactive elements */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* =========================================================================
   Animated background (injected by script.js as .site-bg)
   Fixed, behind all content. Aurora orbs animate on transform/opacity only.
   ========================================================================= */
.site-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(1200px 800px at 75% -10%, rgba(47, 163, 107, 0.08), transparent 60%),
    radial-gradient(900px 700px at 10% 110%, rgba(30, 122, 80, 0.08), transparent 60%),
    var(--bg-0);
}

.site-bg__grid {
  position: absolute;
  inset: -2px;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 35%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 35%, transparent 78%);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.5;
  will-change: transform;
}
.orb--1 {
  width: 46vmax; height: 46vmax;
  top: -16vmax; left: -10vmax;
  background: radial-gradient(circle at 30% 30%, var(--accent), transparent 65%);
  animation: orbFloatA 26s var(--ease-out-expo) infinite alternate;
}
.orb--2 {
  width: 40vmax; height: 40vmax;
  top: 30%; right: -14vmax;
  background: radial-gradient(circle at 40% 40%, rgba(30, 122, 80, 0.7), transparent 65%);
  animation: orbFloatB 32s var(--ease-out-expo) infinite alternate;
}
.orb--3 {
  width: 38vmax; height: 38vmax;
  bottom: -16vmax; left: 28%;
  background: radial-gradient(circle at 50% 50%, rgba(61, 187, 126, 0.5), transparent 65%);
  animation: orbFloatC 30s var(--ease-out-expo) infinite alternate;
}

.site-bg__noise {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@keyframes orbFloatA {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(8vmax, 6vmax, 0) scale(1.15); }
}
@keyframes orbFloatB {
  from { transform: translate3d(0, 0, 0) scale(1.05); }
  to   { transform: translate3d(-10vmax, 8vmax, 0) scale(0.9); }
}
@keyframes orbFloatC {
  from { transform: translate3d(0, 0, 0) scale(0.95); }
  to   { transform: translate3d(6vmax, -8vmax, 0) scale(1.12); }
}

/* =========================================================================
   Reveal-on-scroll primitives (toggled by IntersectionObserver)
   ========================================================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity var(--dur-slow) var(--ease-out-expo),
    transform var(--dur-slow) var(--ease-out-expo);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Shared utility: mono kicker label with leading slashes */
.kicker {
  font-family: var(--font-mono);
  font-size: var(--text-kicker);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.kicker::before {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: var(--grad-accent);
}

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* =========================================================================
   Reduced motion — calm everything down
   ========================================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .orb { animation: none; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}