/* ============================================================
   FLUX ZONE COFFEE — Feel the Frequency
   Shared design system
   ============================================================ */

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

/* ============================================================
   TOKENS
   ============================================================ */
:root {
  /* accent (overridable via Tweaks) */
  --accent: #E8B04B;
  --accent-2: #F4CE82;
  --accent-rgb: 232, 176, 75;
  --ember: #C8702A;

  /* dark (default) */
  --bg: #100C07;
  --bg-2: #15100A;
  --surface: #1B150D;
  --surface-2: #221A10;
  --line: rgba(245, 239, 227, 0.09);
  --line-2: rgba(245, 239, 227, 0.16);
  --text: #F2EAD9;
  --text-2: #B6AA93;
  --text-3: #7E7361;
  --on-accent: #1A1206;

  /* type */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Manrope', system-ui, sans-serif;

  /* rhythm */
  --maxw: 1240px;
  --gut: clamp(20px, 5vw, 64px);
  --radius: 18px;
  --radius-lg: 28px;

  /* motion */
  --motion: 1; /* scaled by Tweaks 0..~1.4 */
  --ease: cubic-bezier(.22, .61, .36, 1);

  color-scheme: dark;
}

/* warm / earthy theme */
[data-theme="warm"] {
  --bg: #ECE2D1;
  --bg-2: #F1E8D9;
  --surface: #F7F0E4;
  --surface-2: #FBF6EC;
  --line: rgba(40, 30, 18, 0.12);
  --line-2: rgba(40, 30, 18, 0.20);
  --text: #2A2015;
  --text-2: #6B5E4B;
  --text-3: #9A8C75;
  --on-accent: #1A1206;
  color-scheme: light;
}

/* minimal / bright theme */
[data-theme="minimal"] {
  --bg: #FBFAF7;
  --bg-2: #F4F2EC;
  --surface: #FFFFFF;
  --surface-2: #F7F5F0;
  --line: rgba(20, 17, 12, 0.10);
  --line-2: rgba(20, 17, 12, 0.18);
  --text: #16130D;
  --text-2: #5C564B;
  --text-3: #948D7F;
  --on-accent: #1A1206;
  color-scheme: light;
}

/* ============================================================
   BASE
   ============================================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 450;
  letter-spacing: .002em;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: rgba(var(--accent-rgb), .3); color: var(--text); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

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

/* utility */
.kicker {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: .7em;
}
.kicker::before {
  content: "";
  width: 26px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent));
}
.eyebrow-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px 2px rgba(var(--accent-rgb), .8);
  animation: pulse calc(2.6s / var(--motion)) var(--ease) infinite;
}
@keyframes pulse { 0%,100%{ opacity:1; transform:scale(1);} 50%{ opacity:.35; transform:scale(.7);} }

/* ============================================================
   AMBIENT BACKGROUND (flowing gradient + grain)
   ============================================================ */
.ambient {
  position: fixed; inset: 0;
  z-index: -2; overflow: hidden;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  mix-blend-mode: screen;
  opacity: .55;
  will-change: transform;
}
[data-theme="warm"] .orb,
[data-theme="minimal"] .orb { mix-blend-mode: multiply; opacity: .22; }

.orb.a { width: 52vw; height: 52vw; left: -12vw; top: -10vw;
  background: radial-gradient(circle at 50% 50%, rgba(var(--accent-rgb), .9), transparent 65%);
  animation: drift1 calc(26s / var(--motion)) ease-in-out infinite; }
.orb.b { width: 46vw; height: 46vw; right: -14vw; top: 18vh;
  background: radial-gradient(circle at 50% 50%, var(--ember), transparent 66%);
  animation: drift2 calc(32s / var(--motion)) ease-in-out infinite; }
.orb.c { width: 40vw; height: 40vw; left: 30vw; top: 120vh;
  background: radial-gradient(circle at 50% 50%, rgba(var(--accent-rgb), .7), transparent 64%);
  animation: drift3 calc(38s / var(--motion)) ease-in-out infinite; }

@keyframes drift1 { 0%,100%{ transform: translate(0,0) scale(1);} 50%{ transform: translate(8vw,6vh) scale(1.15);} }
@keyframes drift2 { 0%,100%{ transform: translate(0,0) scale(1.05);} 50%{ transform: translate(-7vw,9vh) scale(.9);} }
@keyframes drift3 { 0%,100%{ transform: translate(0,0) scale(1);} 50%{ transform: translate(-6vw,-8vh) scale(1.2);} }

/* grain overlay */
.grain {
  position: fixed; inset: -50%;
  z-index: -1; pointer-events: none;
  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='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: .05;
  mix-blend-mode: overlay;
  animation: grainShift 8s steps(6) infinite;
}
[data-grain="off"] .grain { display: none; }
@keyframes grainShift {
  0%{ transform: translate(0,0);} 20%{ transform: translate(-5%,3%);} 40%{ transform: translate(4%,-6%);}
  60%{ transform: translate(-3%,5%);} 80%{ transform: translate(6%,2%);} 100%{ transform: translate(0,0);}
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--gut);
  transition: background .4s var(--ease), padding .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--line);
  padding-block: 13px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 34px; width: auto; }
.brand .word { display: flex; flex-direction: column; line-height: .92; }
.brand .word b { font-family: var(--font-display); font-weight: 700; font-size: 20px; letter-spacing: .04em; }
.brand .word span { font-family: var(--font-display); font-weight: 500; font-size: 11px; letter-spacing: .42em; color: var(--text-2); padding-left: 2px; }

.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  font-size: 14.5px; font-weight: 600; color: var(--text-2);
  letter-spacing: .01em; position: relative; transition: color .25s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--accent); transition: width .3s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--accent); color: var(--on-accent);
  font-family: var(--font-display); font-weight: 600; font-size: 14px;
  padding: 11px 20px; border-radius: 100px;
  letter-spacing: .01em; transition: transform .25s var(--ease), box-shadow .25s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -8px rgba(var(--accent-rgb), .6); }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.burger span { width: 24px; height: 2px; background: var(--text); transition: .3s; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
  padding: 15px 26px; border-radius: 100px; cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .3s, background .3s, color .3s;
  border: 1px solid transparent; letter-spacing: .01em;
}
.btn .arr { transition: transform .3s var(--ease); }
.btn:hover .arr { transform: translate(3px, -3px); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(var(--accent-rgb), .65); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ============================================================
   SECTIONS
   ============================================================ */
.section { position: relative; padding-block: clamp(80px, 12vh, 160px); }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(34px, 5vw, 62px); margin-top: 20px; }
.section-head p { color: var(--text-2); font-size: clamp(16px, 2vw, 19px); margin-top: 22px; }

/* reveal */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .orb, .grain, .eyebrow-dot { animation: none !important; }
}

/* marquee */
.marquee {
  border-block: 1px solid var(--line);
  padding-block: 22px; overflow: hidden;
  background: color-mix(in srgb, var(--surface) 50%, transparent);
}
.marquee-track { display: flex; gap: 0; width: max-content; animation: scrollX calc(34s / var(--motion)) linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: var(--font-display); font-weight: 600; font-size: clamp(22px, 3vw, 36px);
  letter-spacing: .02em; padding-inline: 32px; display: inline-flex; align-items: center; gap: 32px;
  color: var(--text);
}
.marquee-track .dot { color: var(--accent); }
.marquee-track .ghost { -webkit-text-stroke: 1px var(--text-3); color: transparent; }
[data-marquee="off"] .marquee { display: none; }
@keyframes scrollX { to { transform: translateX(-50%); } }

footer.site { border-top: 1px solid var(--line); padding-block: 64px 36px; background: var(--bg-2); }

/* crafted-by credit (matches original site) */
.crafted { text-align: center; margin-top: 20px; font-size: 12.5px; letter-spacing: .04em; color: var(--text-3); display: flex; align-items: center; justify-content: center; gap: 6px; }
.crafted a { color: var(--text-2); font-weight: 600; transition: color .2s; }
.crafted a:hover { color: var(--accent); }
.crafted .heart { display: inline-block; animation: heartbeat calc(1.7s / var(--motion)) ease-in-out infinite; transform-origin: center; }
@keyframes heartbeat { 0%, 100% { transform: scale(1); } 14% { transform: scale(1.28); } 28% { transform: scale(1); } 42% { transform: scale(1.18); } 56% { transform: scale(1); } }
@media (prefers-reduced-motion: reduce) { .crafted .heart { animation: none; } }