/* ============================================================
   GRAPE — Smart Solutions Tailored For All
   Design system + page styles
   Official brand: black & white + gradient accents
   ============================================================ */

:root {
  /* Base — the only "colors" of the site */
  --black:      #231F20;   /* brand black — primary dark surface & text */
  --black-deep: #151314;   /* deepest neutral black for dark scenes */
  --black-soft: #2C292A;   /* lifted dark panel */
  --white:      #FFFFFF;   /* primary light background */
  --white-soft: #F5F5F4;   /* neutral off-white panel */
  --gray-line:  #E4E3E1;   /* hairlines/borders on light */
  --gray-mid:   #9C9998;   /* muted secondary text on light */
  --gray-on-dark: rgba(255,255,255,0.62); /* secondary text on dark */

  /* Aliases used across page styles */
  --ink:        var(--black);
  --night:      #151314;
  --night-2:    #231F20;
  --warm-light: #f0d8b0;   /* interior light glow — scene lighting, protected */

  /* Gradients — the ONLY color in the system. Never extract a stop as a solid. */
  --grad-warm: linear-gradient(100deg, #ED173D 4%, #F49173 52%, #F1B528 96%);
  --grad-cool: linear-gradient(100deg, #17425B 4%, #86D16C 58%, #CDE646 96%);

  /* Directional variants for thin elements (progress bars, underlines) */
  --grad-warm-x: linear-gradient(90deg, #ED173D, #F1B528);
  --grad-cool-x: linear-gradient(90deg, #17425B, #CDE646);

  /* Functional (third-party, unchanged) */
  --whatsapp:   #25D366;

  /* Type */
  --font-grotesk: "Aktiv Grotesk Ex", "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font: var(--font-grotesk);

  /* Rhythm */
  --maxw: 1240px;
  --pad: clamp(20px, 5vw, 72px);
  --section-y: clamp(88px, 12vw, 180px);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--black);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  font-weight: 300;
  line-height: 1.5;
}

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

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

/* ---------- Shared type ---------- */

.eyebrow {
  font-size: clamp(0.66rem, 0.9vw, 0.75rem);
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gray-mid);
  display: inline-flex;
  align-items: center;
  gap: 0.9em;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--grad-warm-x);
}
.eyebrow.center { justify-content: center; }
.eyebrow.center::after {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--grad-warm-x);
}

h1, h2, h3 { font-weight: 700; letter-spacing: -0.025em; line-height: 1.02; }

.display {
  font-weight: 700;
  font-size: clamp(2.6rem, 6.4vw, 5.6rem);
  letter-spacing: -0.035em;
  line-height: 0.98;
}

.h2 {
  font-size: clamp(2rem, 4.6vw, 3.75rem);
  letter-spacing: -0.03em;
  line-height: 1.0;
}

.lead {
  font-size: clamp(1.08rem, 1.7vw, 1.45rem);
  font-weight: 300;
  line-height: 1.5;
  color: color-mix(in srgb, var(--black) 78%, transparent);
}

.muted { color: color-mix(in srgb, var(--black) 55%, transparent); }

/* ---------- Layout ---------- */

.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }
.section { padding-block: var(--section-y); position: relative; }

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

/* geometric brand dot (half-circle motif) */
.gdot {
  display: inline-block;
  width: 0.62em; height: 0.62em;
  background: var(--grad-warm);
  border-radius: 999px 999px 0 0;
  transform: rotate(0deg);
  vertical-align: baseline;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-family: var(--font);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  padding: 0.95em 1.6em;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease),
              border-color 0.25s var(--ease), transform 0.25s var(--ease);
  white-space: nowrap;
}
.btn .arr { transition: transform 0.25s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

.btn-primary { background: var(--grad-warm); color: var(--white); }
.btn-primary:hover { background: var(--black); }

.btn-ghost {
  background: transparent;
  color: var(--black);
  border-color: color-mix(in srgb, var(--black) 25%, transparent);
}
.btn-ghost:hover { border-color: var(--black); background: var(--black); color: var(--white); }

.btn-on-dark {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border-color: rgba(255,255,255,0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-on-dark:hover { background: #fff; color: var(--black); border-color: #fff; }

/* ---------- Reveal animation (IntersectionObserver) ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}