/* =============================================================
   InnovaShape — Colors & Typography
   Source of truth: the built innovashape.com pages. One blue family,
   deep navy dark surfaces, cool light tints, clinical greens.
   ============================================================= */

:root {
  /* ---------- Core Palette ---------- */
  --is-black: #000000;
  --is-near-black: #1d1d1f;
  --is-ink: #171a20;            /* primary heading/body ink on light */
  --is-light-gray: #f5f5f7;
  --is-white: #ffffff;

  /* ---------- Brand Blue family ---------- */
  --is-blue: #346DC1;           /* brand blue — CTAs, accents, focus */
  --is-blue-hover: #4577c7;     /* hover step for filled buttons */
  --is-blue-active: #2c5ea8;
  --is-blue-link: #346DC1;      /* inline links on light */
  --is-blue-bright: #6ba3f0;    /* links / icons on dark navy */
  --is-blue-soft: #8ab4f0;      /* eyebrows + accents on dark */
  --is-blue-tint: #eef3fb;      /* icon chips, tinted panels on light */

  /* ---------- Greens ---------- */
  --is-green: #2e9e4f;          /* success / checkmarks */
  --is-green-chart: #35c983;    /* optimal-zone chart accent */
  --is-teal-partner: #3EA99F;   /* partner (Titan Dental) accent */

  /* ---------- Text on Light ---------- */
  --is-text-primary: #171a20;
  --is-text-secondary: #5c6674;
  --is-text-tertiary: #7b838f;

  /* ---------- Text on Dark ---------- */
  --is-text-on-dark: #ffffff;
  --is-text-on-dark-secondary: rgba(255, 255, 255, 0.72);
  --is-text-on-dark-tertiary: rgba(255, 255, 255, 0.55);

  /* ---------- Dark (navy) Surfaces ---------- */
  --is-navy-hero: #0e1116;      /* hero fields behind video */
  --is-navy-deep: #05070d;      /* CTA / lead-form bands */
  --is-navy-panel: #0b0d12;     /* media panels, app frames */
  --is-navy-statement: #0e1c38; /* emotional statement bands */
  --is-footer-black: #010105;   /* footer */
  --is-dark-surface-1: #272729; /* legacy neutral dark card */

  /* ---------- Light Surfaces ---------- */
  --is-surface-cool: #f6f7f9;   /* default cool section tint */
  --is-surface-blue: #f7f9fd;   /* blue-leaning section tint */
  --is-surface-sky: #eef3fb;    /* strongest blue tint */

  /* ---------- Button States ---------- */
  --is-btn-active: #ededf2;
  --is-btn-default-light: #fafafc;
  --is-overlay-scrim: rgba(210, 210, 215, 0.64);
  --is-white-32: rgba(255, 255, 255, 0.32);

  /* ---------- Focus ---------- */
  --sk-focus-color: #346DC1;

  /* ---------- Shadow ---------- */
  --is-shadow-card: 0 22px 56px -36px rgba(20, 40, 80, 0.28);
  --is-shadow-panel: 0 30px 80px -30px rgba(13, 26, 46, 0.45);
  --is-shadow-cta: 0 16px 40px rgba(52, 109, 193, 0.26);

  /* ---------- Navigation Glass ---------- */
  --is-nav-bg: rgba(0, 0, 0, 0.8);
  --is-nav-blur: saturate(180%) blur(20px); /* @kind other */

  /* ---------- Radii ---------- */
  --is-radius-micro: 5px;
  --is-radius-std: 8px;
  --is-radius-btn: 10px;
  --is-radius-large: 12px;
  --is-radius-card: 14px;
  --is-radius-tile: 18px;
  --is-radius-panel: 20px;
  --is-radius-hero: 24px;
  --is-radius-pill: 999px;

  /* ---------- Spacing (8px base, granular at small sizes) ---------- */
  --is-space-2: 2px;
  --is-space-4: 4px;
  --is-space-5: 5px;
  --is-space-6: 6px;
  --is-space-7: 7px;
  --is-space-8: 8px;
  --is-space-9: 9px;
  --is-space-10: 10px;
  --is-space-11: 11px;
  --is-space-14: 14px;
  --is-space-15: 15px;
  --is-space-17: 17px;
  --is-space-20: 20px;
  --is-space-24: 24px;

  /* ---------- Type Families ---------- */
  --is-font-display: -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Helvetica Neue", Helvetica, Arial, sans-serif;
  --is-font-text: -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Helvetica Neue", Helvetica, Arial, sans-serif;
}

/* =============================================================
   Base
   ============================================================= */
body { background: var(--is-white); }
html, body {
  margin: 0;
  padding: 0;
  color: var(--is-text-primary);
  font-family: var(--is-font-text);
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: -0.374px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =============================================================
   Semantic Type — matches the SF Pro optical-size boundary at 20px
   ============================================================= */

/* Eyebrow — uppercase letterspaced kicker above headings */
.is-eyebrow {
  font-family: var(--is-font-text);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--is-blue);
  margin: 0 0 14px;
}
.is-eyebrow--on-dark { color: var(--is-blue-soft); }

/* Display Hero — clamp-scaled page headline */
.is-hero,
h1.is-hero {
  font-family: var(--is-font-display);
  font-size: clamp(34px, 4.4vw, 56px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin: 0;
}

/* Section Heading — accent span carries the brand blue */
.is-h2,
h2.is-h2 {
  font-family: var(--is-font-display);
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0;
}
.is-h2 .is-accent, .is-hero .is-accent { color: var(--is-blue); }
.is-h2--on-dark .is-accent { color: var(--is-blue-soft); }

/* Tile Heading — 28px product tiles */
.is-tile-heading {
  font-family: var(--is-font-display);
  font-size: 28px;
  font-weight: 400;
  line-height: 1.14;
  letter-spacing: 0.196px;
  margin: 0;
}

/* Card Title — 21px bold */
.is-card-title {
  font-family: var(--is-font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.19;
  letter-spacing: 0.231px;
  margin: 0;
}

/* Sub-heading — 21px regular */
.is-subheading {
  font-family: var(--is-font-display);
  font-size: 21px;
  font-weight: 400;
  line-height: 1.19;
  letter-spacing: 0.231px;
  margin: 0;
}

/* Nav Heading — 34px */
.is-nav-heading {
  font-family: var(--is-font-text);
  font-size: 34px;
  font-weight: 600;
  line-height: 1.47;
  letter-spacing: -0.374px;
  margin: 0;
}

/* Sub-nav — 24px light */
.is-subnav {
  font-family: var(--is-font-text);
  font-size: 24px;
  font-weight: 300;
  line-height: 1.50;
  letter-spacing: normal;
  margin: 0;
}

/* Body — 17px */
.is-body,
p.is-body {
  font-family: var(--is-font-text);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.47;
  letter-spacing: -0.374px;
  margin: 0;
}

.is-body-emphasis {
  font-family: var(--is-font-text);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: -0.374px;
  margin: 0;
}

/* Buttons */
.is-button-large {
  font-family: var(--is-font-text);
  font-size: 18px;
  font-weight: 300;
  line-height: 1.00;
  letter-spacing: normal;
}

.is-button-text {
  font-family: var(--is-font-text);
  font-size: 17px;
  font-weight: 400;
  line-height: 2.41;
  letter-spacing: normal;
}

/* Link — 14px with chevron */
.is-link {
  font-family: var(--is-font-text);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.43;
  letter-spacing: -0.224px;
  color: var(--is-blue-link);
  text-decoration: none;
}
.is-link:hover { text-decoration: underline; }
.is-link--on-dark { color: var(--is-blue-bright); }
.is-link::after { content: " \203A"; }

/* Caption */
.is-caption {
  font-family: var(--is-font-text);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.29;
  letter-spacing: -0.224px;
}
.is-caption-bold {
  font-family: var(--is-font-text);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.29;
  letter-spacing: -0.224px;
}

/* Micro / Nano */
.is-micro {
  font-family: var(--is-font-text);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.33;
  letter-spacing: -0.12px;
}
.is-micro-bold {
  font-family: var(--is-font-text);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.33;
  letter-spacing: -0.12px;
}
.is-nano {
  font-family: var(--is-font-text);
  font-size: 10px;
  font-weight: 400;
  line-height: 1.47;
  letter-spacing: -0.08px;
}

/* =============================================================
   Buttons
   ============================================================= */

/* Primary Blue CTA — filled, 600 weight, soft blue shadow */
.is-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--is-blue);
  color: var(--is-white);
  padding: 14px 26px;
  border-radius: var(--is-radius-btn);
  border: 1px solid var(--is-blue);
  font-family: var(--is-font-text);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 16px 30px -16px rgba(52, 109, 193, 0.75);
  transition: background 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}
.is-btn-primary:hover { background: var(--is-blue-hover); transform: translateY(-1px); }
.is-btn-primary:active { background: var(--is-blue-active); transform: translateY(0); }
.is-btn-primary:focus-visible {
  outline: 2px solid var(--sk-focus-color);
  outline-offset: 3px;
}

/* Ghost on dark — secondary action on navy sections */
.is-btn-ghost-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--is-white);
  padding: 14px 26px;
  border-radius: var(--is-radius-btn);
  border: 1px solid rgba(255, 255, 255, 0.28);
  font-family: var(--is-font-text);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease;
}
.is-btn-ghost-dark:hover { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.45); }

/* Primary Dark */
.is-btn-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--is-near-black);
  color: var(--is-white);
  padding: 8px 15px;
  border-radius: var(--is-radius-std);
  border: 1px solid transparent;
  font-family: var(--is-font-text);
  font-size: 17px;
  font-weight: 400;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
}

/* Pill CTA — the site's rounded-full action (e.g. Request Information) */
.is-btn-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--is-blue-link);
  border: 1px solid var(--is-blue-link);
  border-radius: var(--is-radius-pill);
  padding: 12px 24px;
  font-family: var(--is-font-text);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}
.is-btn-pill:hover { background: var(--is-blue-link); color: var(--is-white); }
.is-btn-pill--on-dark { color: var(--is-blue-bright); border-color: var(--is-blue-bright); }
.is-btn-pill--on-dark:hover { background: var(--is-blue-bright); color: var(--is-white); }
.is-btn-pill--filled {
  background: var(--is-blue);
  color: var(--is-white);
  border-color: var(--is-blue);
}
.is-btn-pill--filled:hover { background: #4a80ca; color: var(--is-white); }

/* Filter / Search */
.is-btn-filter {
  background: var(--is-btn-default-light);
  color: var(--is-text-secondary);
  padding: 0 14px;
  height: 44px;
  border-radius: var(--is-radius-large);
  border: 3px solid rgba(0, 0, 0, 0.04);
  font-family: var(--is-font-text);
  font-size: 14px;
  cursor: pointer;
}
.is-btn-filter:focus-visible {
  outline: 2px solid var(--sk-focus-color);
  outline-offset: 2px;
}

/* Media Control (circular) */
.is-btn-media {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--is-overlay-scrim);
  color: rgba(0, 0, 0, 0.48);
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 120ms ease;
}
.is-btn-media:active { transform: scale(0.9); }
.is-btn-media:focus-visible {
  outline: 2px solid var(--sk-focus-color);
  background: var(--is-white);
  color: var(--is-black);
}

/* =============================================================
   Surfaces — the section rhythm: white → cool tint → navy → footer black
   ============================================================= */
.is-section-light { background: var(--is-surface-cool); color: var(--is-text-primary); }
.is-section-sky { background: var(--is-surface-sky); color: var(--is-text-primary); }
.is-section-dark { background: var(--is-navy-deep); color: var(--is-white); }
.is-section-navy { background: var(--is-navy-panel); color: var(--is-white); }
.is-section-white { background: var(--is-white); color: var(--is-text-primary); }

.is-card {
  background: var(--is-white);
  border: 1px solid rgba(23, 26, 32, 0.08);
  border-radius: var(--is-radius-card);
  padding: 24px;
}
.is-card--elevated {
  background: var(--is-white);
  box-shadow: var(--is-shadow-card);
  border: 1px solid rgba(23, 26, 32, 0.06);
  border-radius: var(--is-radius-panel);
}
.is-card--dark {
  background: var(--is-navy-panel);
  color: var(--is-white);
  border: 1px solid rgba(138, 180, 240, 0.16);
  border-radius: var(--is-radius-tile);
  padding: 24px;
}

/* =============================================================
   Navigation — white glass bar (the site's nav is light, not black)
   ============================================================= */
.is-nav {
  position: sticky;
  top: 0;
  height: 62px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: var(--is-nav-blur);
  -webkit-backdrop-filter: var(--is-nav-blur);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  color: var(--is-ink);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.is-nav a {
  color: var(--is-ink);
  font-family: var(--is-font-text);
  font-size: 15.5px;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  padding: 9px 11px;
  border-radius: 6px;
}
.is-nav a:hover { background: rgba(0, 0, 0, 0.06); }