/* =====================================================================
   vioConnect — Design System (tokens, base, typography, components)
   Vionord Technology ApS
   ===================================================================== */

:root {
  /* --- Brand palette --- */
  --navy-900: #061225;
  --navy-800: #0a1b33;
  --navy-700: #0e2647;
  --navy-600: #143260;
  --blue-600: #1550d8;
  --blue-500: #1e5eff;
  --blue-400: #4b83ff;
  --cyan-500: #00c2e0;
  --cyan-400: #33d3ec;
  --green-500: #16c784;
  --green-400: #35d89a;

  --white: #ffffff;
  --gray-50: #f6f8fc;
  --gray-100: #eef2f9;
  --gray-200: #e2e8f4;
  --gray-300: #cbd5e6;
  --gray-400: #93a3c0;
  --ink-900: #0b1a30;
  --ink-700: #33425c;
  --ink-500: #5b6b85;

  /* --- Semantic --- */
  --bg: var(--white);
  --bg-alt: var(--gray-50);
  --text: var(--ink-900);
  --text-muted: var(--ink-500);
  --border: var(--gray-200);
  --primary: var(--blue-500);
  --primary-strong: var(--blue-600);
  --accent: var(--green-500);

  /* --- Gradients --- */
  --grad-brand: linear-gradient(120deg, var(--blue-500) 0%, var(--cyan-500) 100%);
  --grad-navy: linear-gradient(160deg, var(--navy-900) 0%, var(--navy-700) 55%, var(--navy-600) 100%);
  --grad-text: linear-gradient(100deg, var(--blue-400) 0%, var(--cyan-400) 100%);

  /* --- Radii --- */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 30px;
  --r-pill: 999px;

  /* --- Shadows --- */
  --shadow-xs: 0 1px 2px rgba(11, 26, 48, 0.06);
  --shadow-sm: 0 4px 14px rgba(11, 26, 48, 0.07);
  --shadow-md: 0 14px 40px rgba(11, 26, 48, 0.10);
  --shadow-lg: 0 30px 70px rgba(11, 26, 48, 0.16);
  --shadow-brand: 0 18px 40px rgba(30, 94, 255, 0.28);

  /* --- Typography --- */
  --font-display: "Sora", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* --- Spacing rhythm --- */
  --section-y: clamp(4.5rem, 9vw, 8rem);
  --container-pad: clamp(1.15rem, 4vw, 2rem);

  /* --- Layout --- */
  --nav-h: 76px;
  --maxw: 1200px;
}

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 1.02rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

::selection { background: var(--cyan-400); color: var(--navy-900); }

/* -------------------------------------------------------- Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
  font-weight: 700;
}

h1 { font-size: clamp(2.25rem, 5.2vw, 3.9rem); font-weight: 800; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.85rem); }
h3 { font-size: clamp(1.2rem, 1.8vw, 1.45rem); }

p { margin: 0 0 1rem; }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.22rem); color: var(--text-muted); }

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

/* --------------------------------------------------------- Layout */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section { padding-block: var(--section-y); position: relative; }
.section--alt { background: var(--bg-alt); }
.section--navy { background: var(--grad-navy); color: #dbe6ff; }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 2000;
  background: var(--navy-800);
  color: #fff;
  padding: 0.7rem 1.1rem;
  border-radius: var(--r-sm);
  transition: top 0.2s ease;
}
.skip-link:focus { top: 1rem; }

/* --------------------------------------------------- Section heading */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  padding: 0.4rem 0.85rem;
  border-radius: var(--r-pill);
  background: rgba(30, 94, 255, 0.08);
  margin-bottom: 1.15rem;
}
.section--navy .eyebrow { color: var(--cyan-400); background: rgba(0, 194, 224, 0.12); }

.section-head { max-width: 46rem; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head .lead { margin-bottom: 0; }

/* -------------------------------------------------------- Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1;
  padding: 0.95rem 1.55rem;
  border-radius: var(--r-pill);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.25s ease, background-color 0.25s ease,
              color 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}
.btn i { font-size: 1.05em; }
.btn:focus-visible { outline: 3px solid var(--cyan-400); outline-offset: 3px; }

.btn-primary { background: var(--grad-brand); color: #fff; box-shadow: var(--shadow-brand); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 22px 46px rgba(30, 94, 255, 0.36); }

.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--primary); color: var(--primary); box-shadow: var(--shadow-sm); }

.btn-light { background: #fff; color: var(--navy-800); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-outline-light { background: rgba(255,255,255,0.04); color: #fff; border-color: rgba(255,255,255,0.35); }
.btn-outline-light:hover { transform: translateY(-2px); border-color: #fff; background: rgba(255,255,255,0.1); }

.btn-sm { padding: 0.6rem 1.05rem; font-size: 0.9rem; }
.btn-block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--primary);
}
.link-arrow i { transition: transform 0.25s ease; }
.link-arrow:hover i { transform: translateX(4px); }

/* ------------------------------------------------------- Cards */
.card-surface {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.icon-badge {
  width: 54px;
  height: 54px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  font-size: 1.45rem;
  color: #fff;
  background: var(--grad-brand);
  box-shadow: var(--shadow-brand);
}
.icon-badge--soft {
  background: rgba(30, 94, 255, 0.10);
  color: var(--primary);
  box-shadow: none;
}
.icon-badge--green { background: linear-gradient(120deg, var(--green-500), var(--cyan-500)); box-shadow: 0 16px 34px rgba(22, 199, 132, 0.28); }

/* ---------------------------------------------- Reveal animation */
[data-reveal] {
  opacity: 1;
  transform: none;
}
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal-delay="3"] { transition-delay: 0.24s; }
[data-reveal-delay="4"] { transition-delay: 0.32s; }
[data-reveal-delay="5"] { transition-delay: 0.40s; }
[data-reveal-delay="6"] { transition-delay: 0.48s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal], .has-js [data-reveal] { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.001ms !important; }
}