/* Flowsense landing page
   Stil: CentraSync storefront-UI (centrasync-ui-master). Dark mode only.
   Neutrala zinc-ytor, rounded-xl kort utan ram med mjuk skugga, pill-knappar,
   dämpad eyebrow + extrabold rubrik, runda tonade ikonbrickor. */

:root {
  /* Ytor – Tailwind zinc, som i CentraSync (bg-zinc-950 / bg-zinc-900) */
  --bg: #09090b;            /* zinc-950, sidbakgrund */
  --bg-alt: #0d0d0f;        /* diskret band för varannan sektion */
  --card: #18181b;          /* zinc-900, kort */
  --card-hover: #1f1f23;
  --field: #27272a;         /* zinc-800, formulärfält */
  --border: #27272a;        /* zinc-800 */
  --border-strong: #3f3f46; /* zinc-700 */

  /* Text */
  --ink: #ffffff;           /* rubriker */
  --ink-body: #e4e4e7;      /* zinc-200, brödtext */
  --ink-soft: #a1a1aa;      /* zinc-400 */
  --ink-muted: #71717a;     /* zinc-500, eyebrow och labels */

  /* Varumärke – Flowsense-färger som accenter (motsvarar --brand-* i CentraSync) */
  --brand-primary: #7f93ff; /* accenttext, priser, länkar */
  --brand-button: #4a5ceb;  /* knappyta, vit text */
  --brand-button-hover: #5b6bf0;
  --teal: #17e5b4;
  --cyan: #29bdf0;
  --pink: #f45f96;
  --on-brand: #ffffff;

  /* Form */
  --radius-card: 12px;      /* rounded-xl */
  --radius-panel: 16px;     /* rounded-2xl */
  --radius-field: 8px;      /* rounded-lg */
  --radius-pill: 9999px;    /* rounded-full */

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 10px 28px -12px rgba(0, 0, 0, 0.75);

  --font-display: 'Mulish', 'Manrope', system-ui, sans-serif;
  --font-body: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Ljusskenen i heron. Delas med loadern så att introt kan tona in dem först
     och sedan lämna över till heron utan att de dubbleras. */
  --hero-glow:
    radial-gradient(900px 520px at 50% -6%, rgba(111, 134, 255, 0.17), transparent 70%),
    radial-gradient(760px 440px at 86% 2%, rgba(41, 189, 240, 0.12), transparent 62%),
    radial-gradient(680px 460px at -4% 34%, rgba(23, 229, 180, 0.09), transparent 62%);

  --ease-out: cubic-bezier(.4, 0, .2, 1);
  --ease-overshoot: cubic-bezier(.34, 1.56, .64, 1);

  color-scheme: dark;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink-body);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.6;
  text-wrap: pretty;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand-primary); text-decoration: none; transition: opacity .15s ease; }
a:hover { opacity: .75; }

h1, h2, h3 { margin: 0; color: var(--ink); font-weight: 800; line-height: 1.15; }
/* Displaytypsnitt på hela rubrikhierarkin; Manrope bär brödtext och etiketter.
   h3 får lösare teckenavstånd — -0.025em är för tight vid 16-20 px. */
h1, h2 { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.025em; }
h3 { font-family: var(--font-display); letter-spacing: -0.01em; }

p { margin: 0; }
img { max-width: 100%; }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 40px); }

/* sf-eyebrow: dämpad, versal, brett teckenavstånd */
.kicker {
  display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-muted); margin-bottom: 12px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* — ikoner — */
.icon { width: 1em; height: 1em; fill: currentColor; display: block; flex-shrink: 0; }

/* sf-icon-badge: rund bricka, 18 % ton av accentfärgen */
.badge-icon {
  border-radius: var(--radius-pill);
  color: var(--accent, var(--brand-primary));
  background-color: color-mix(in srgb, var(--accent, var(--brand-primary)) 18%, transparent);
}

/* — knappar: pill, varumärkesfärg med vit text — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 15px/1 'Manrope', system-ui, sans-serif; padding: 13px 24px;
  border-radius: var(--radius-pill); border: 1px solid transparent; cursor: pointer;
  text-decoration: none; text-align: center; transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { opacity: 1; }
.btn-primary { background: var(--brand-button); border-color: var(--brand-button); color: var(--on-brand); }
.btn-primary:hover { background: var(--brand-button-hover); border-color: var(--brand-button-hover); color: var(--on-brand); }
.btn-outline { background: transparent; border-color: var(--border-strong); color: var(--ink-body); }
.btn-outline:hover { border-color: var(--brand-button); color: var(--brand-primary); background: rgba(255, 255, 255, 0.03); }
.btn:focus-visible, .input:focus-visible, a:focus-visible { outline: 2px solid var(--brand-primary); outline-offset: 2px; }

/* — laddningsanimation — */
#loader {
  position: fixed; inset: 0; z-index: 100; background: var(--bg);
  display: grid; place-items: center; transition: background .5s ease;
}
#loader.handoff { background: transparent; pointer-events: none; }
/* Steg 0: ljusskenen tonar in på den mörka botten innan märket börjar ritas. */
#loader::before {
  content: ''; position: absolute; inset: 0; background: var(--hero-glow);
  opacity: 0; animation: glow-in .42s ease forwards;
}
#loader.handoff::before { animation: glow-out .32s ease forwards; }
@keyframes glow-in { to { opacity: 1; } }
@keyframes glow-out { from { opacity: 1; } to { opacity: 0; } }
#loader svg { width: 96px; height: auto; overflow: visible; transition: opacity .2s ease; }
/* JS placerar märket exakt där #heroMark hamnar, så det står stilla vid överlämningen */
#loader svg.placed { position: absolute; }
#loader svg.placed.settle { transition: opacity .2s ease, left .2s ease, top .2s ease, width .2s ease; }
#loader.handoff svg { opacity: 0; }
#loader .el {
  transform-box: fill-box; transform-origin: center; transform: scale(0); opacity: 0;
  animation: pop .24s var(--ease-overshoot) forwards;
}
#loader .el1 { animation-delay: .22s; }
#loader .el2 { animation-delay: .27s; }
#loader .el3 { animation-delay: .32s; }
#loader .el4 { animation-delay: .37s; }
#loader .el5 { animation-delay: .42s; }
#loader .el6 { animation-delay: .47s; }
#loader .el7 { animation-delay: .52s; }
#loader .el8 { animation-delay: .57s; }
#loader .el9 { animation-delay: .62s; }
@keyframes pop { to { transform: scale(1); opacity: 1; } }
#loader .mark { animation: breathe 2s ease-in-out .9s infinite; transform-origin: center; }
@keyframes breathe { 50% { transform: scale(1.04); } }
@media (prefers-reduced-motion: reduce) {
  #loader .el { animation: none; transform: none; opacity: 1; }
  #loader .mark { animation: none; }
  #loader::before { animation: none; opacity: 1; }
}
/* utan JS: lämna aldrig besökaren bakom overlayn */
/* Introt spelas en gång per besök. Klassen sätts i <head>, innan något målas,
   så återbesök aldrig ser en skymt av overlayn. */
.no-intro #loader { display: none; }
.no-js #loader { display: none; }
.no-js body.loading #heroMark { visibility: visible; }
.no-js body.loading .hero-wordmark { opacity: 1; }

/* — nav (visas vid scroll) — */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20; background: rgba(9, 9, 11, 0.85);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border);
  transform: translateY(-100%); transition: transform .35s ease;
}
.nav.show { transform: none; }
@media (prefers-reduced-motion: reduce) { .nav { transition: none; } }
.nav .wrap { display: flex; align-items: center; gap: 28px; height: 68px; }
.nav .logo img { height: 26px; width: auto; display: block; }
.nav a.link { font-size: 14px; font-weight: 600; color: var(--ink-soft); text-decoration: none; }
.nav a.link:hover { color: var(--ink); opacity: 1; }
.nav .spacer { flex: 1; }
.nav .btn { padding: 10px 20px; font-size: 14px; }
@media (max-width: 720px) { .nav a.link { display: none; } }

/* — hero — */
.hero {
  min-height: 100svh; display: grid; align-content: center; text-align: center;
  padding: clamp(56px, 8vw, 96px) 0 clamp(48px, 6vw, 80px);
  background: var(--hero-glow), var(--bg);
}
.hero-logo {
  display: flex; flex-direction: column; align-items: center; gap: 28px;
  margin-top: clamp(32px, 5vw, 64px); margin-bottom: clamp(96px, 13vw, 180px);
}
#heroMark { width: clamp(110px, 15vw, 160px); height: auto; overflow: visible; }
html:not(.no-intro) body.loading #heroMark { visibility: hidden; }
.hero-wordmark { width: min(480px, 72vw); height: auto; display: block; transition: opacity .22s ease; }
/* Introt går i tre steg: märket ritas, ordbilden tonar in ovanpå den mörka
   overlayn, och först därefter tonar overlayn bort och resten av sidan syns.
   Logoblocket lyfts därför över #loader (z-index 100), och ligger kvar där tills
   loadern är helt borttagen — annars blinkar ordbilden till vid överlämningen. */
body.intro .hero-logo { position: relative; z-index: 101; }
html:not(.no-intro) body.loading .hero-wordmark { opacity: 0; }
html:not(.no-intro) body.loading.wordmark .hero-wordmark { opacity: 1; }
.hero h1 { font-size: clamp(29px, 3.7vw, 42px); max-width: 30ch; margin: 0 auto; }
.hero .sub { font-size: 18px; color: var(--ink-soft); max-width: 56ch; margin: 20px auto 0; }

/* — USP-rad (sf-card) — */
.usps { padding: 8px 0 clamp(48px, 6vw, 72px); }
.usps .grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.usp {
  background: var(--card); border-radius: var(--radius-card); box-shadow: var(--shadow-sm);
  padding: 22px 22px 24px; transition: box-shadow .2s ease, background-color .2s ease;
}
.usp:hover { box-shadow: var(--shadow-md); background: var(--card-hover); }
.usp .icon {
  width: 40px; height: 40px; padding: 10px; font-size: 20px;
  border-radius: var(--radius-pill);
  color: var(--accent, var(--brand-primary));
  background-color: color-mix(in srgb, var(--accent, var(--brand-primary)) 18%, transparent);
}
.usps .usp:nth-child(1) { --accent: var(--brand-primary); }
.usps .usp:nth-child(2) { --accent: var(--cyan); }
.usps .usp:nth-child(3) { --accent: var(--pink); }
.usps .usp:nth-child(4) { --accent: var(--teal); }
.usp h3 { font-size: 16px; margin-top: 14px; }
.usp p { font-size: 14px; color: var(--ink-soft); margin-top: 6px; }
@media (max-width: 960px) { .usps .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .usps .grid { grid-template-columns: 1fr; } }

/* — sektioner — */
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section-head { max-width: 640px; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head h2 { font-size: clamp(29px, 3.7vw, 42px); }
.section-head .lede { font-size: 16px; color: var(--ink-soft); margin-top: 14px; }
section.alt { background: var(--bg-alt); }

/* — tjänstekort (sf-card) — */
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.card {
  background: var(--card); border-radius: var(--radius-card); box-shadow: var(--shadow-sm);
  padding: 28px 26px; display: flex; flex-direction: column;
  transition: box-shadow .2s ease, background-color .2s ease;
}
.card:hover { box-shadow: var(--shadow-md); background: var(--card-hover); }
.card .icon-tile {
  width: 52px; height: 52px; border-radius: var(--radius-pill); display: grid; place-items: center;
  font-size: 24px; margin-bottom: 18px;
  color: var(--accent, var(--brand-primary));
  background-color: color-mix(in srgb, var(--accent, var(--brand-primary)) 18%, transparent);
}
.card:nth-child(1) { --accent: var(--cyan); }
.card:nth-child(2) { --accent: var(--teal); }
.card:nth-child(3) { --accent: var(--pink); }
.card:nth-child(4) { --accent: var(--brand-primary); }
.card h3 { font-size: 20px; }
.card .tagline { font-size: 14.5px; font-style: italic; color: var(--ink-soft); margin-top: 6px; }
.card .body { font-size: 14.5px; color: var(--ink-soft); margin-top: 14px; }
/* margin-bottom: auto trycker ner kortets knapp så att knapparna linjerar i en rad */
.package-list { margin: 20px 0 auto; padding: 0; list-style: none; border-top: 1px solid var(--border); }
.package-row { padding: 12px 0; border-bottom: 1px solid var(--border); }
.package-name { font-size: 14px; color: var(--ink-body); font-weight: 600; }
.package-name small { display: block; font-weight: 400; color: var(--ink-muted); font-size: 12.5px; line-height: 1.5; margin-top: 2px; }
.card .cta { margin-top: 22px; align-self: start; }
@media (max-width: 760px) { .cards { grid-template-columns: 1fr; } }

/* — så jobbar vi — */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; margin: 0; padding: 0; list-style: none; }
.step { position: relative; padding-top: 4px; }
.step .num {
  width: 40px; height: 40px; border-radius: var(--radius-pill); display: grid; place-items: center;
  background-color: color-mix(in srgb, var(--brand-primary) 18%, transparent);
  color: var(--brand-primary); font-weight: 800; font-size: 15px; margin-bottom: 16px;
}
.step h3 { font-size: 17px; }
.step p { font-size: 14.5px; color: var(--ink-soft); margin-top: 8px; }
@media (max-width: 880px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .steps { grid-template-columns: 1fr; } }

/* — förtroende — */
.trust-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin: 0; padding: 0; list-style: none; }
.trust-item { display: flex; gap: 14px; align-items: flex-start; --accent: var(--teal); }
.trust-item .icon {
  width: 36px; height: 36px; padding: 9px; font-size: 18px; border-radius: var(--radius-pill);
  color: var(--accent); background-color: color-mix(in srgb, var(--accent) 18%, transparent);
}
.trust-item p { font-size: 14px; color: var(--ink-soft); }
.trust-item strong { display: block; color: var(--ink); font-size: 15px; font-weight: 700; margin-bottom: 2px; }
@media (max-width: 880px) { .trust-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .trust-grid { grid-template-columns: 1fr; } }

/* — om oss — */
.about {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(28px, 5vw, 64px); align-items: center;
}
.about-figure { margin: 0; }
.about-figure img {
  width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; display: block;
  border-radius: var(--radius-card); box-shadow: var(--shadow-md); background: var(--card);
}
.about h2 { font-size: clamp(27px, 3.3vw, 38px); }
.about .note { font-size: 15.5px; color: var(--ink-soft); margin-top: 16px; max-width: 56ch; }
@media (max-width: 720px) { .about { grid-template-columns: 1fr; } }

/* — kontakt (sf-card i större format) — */
.section-contact { padding-top: 0; }
.contact {
  background: var(--card); border-radius: var(--radius-panel); box-shadow: var(--shadow-sm);
  padding: clamp(32px, 5vw, 56px); display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(28px, 5vw, 56px);
}
.contact h2 { font-size: clamp(27px, 3.3vw, 36px); }
.contact .sub { color: var(--ink-soft); font-size: 15.5px; margin-top: 14px; max-width: 46ch; }
.contact .alt { margin-top: 22px; font-size: 14.5px; color: var(--ink-muted); background: none; }
.contact .alt a { color: var(--teal); }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 5px; color: var(--ink-muted); }
.input {
  width: 100%; font: 400 14px/1.5 'Manrope', system-ui, sans-serif; color: var(--ink);
  background: var(--field); border: 1px solid var(--border-strong);
  border-radius: var(--radius-field); padding: 10px 12px;
  transition: border-color .15s ease;
}
.input::placeholder { color: var(--ink-muted); }
.input:focus { border-color: var(--brand-primary); outline: none; }
.field-full { grid-column: 1 / -1; }
textarea.input { min-height: 110px; resize: vertical; }
.contact-form .btn-primary { grid-column: 1 / -1; justify-self: start; }
.contact-form .btn-primary[disabled] { opacity: .6; cursor: progress; }
.form-status { grid-column: 1 / -1; font-size: 14px; color: var(--ink-soft); min-height: 1.5em; }
.form-status[data-state="error"] { color: var(--pink); }
.form-status[data-state="success"] { color: var(--teal); }
.form-status:empty { display: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
@media (max-width: 880px) { .contact { grid-template-columns: 1fr; } }
@media (max-width: 540px) { .contact-form { grid-template-columns: 1fr; } }

/* — sidfot — */
footer { padding: 36px 0 44px; font-size: 13.5px; color: var(--ink-muted); border-top: 1px solid var(--border); }
footer .wrap { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; justify-content: space-between; }
footer img { height: 20px; width: auto; display: block; }
footer a { color: var(--ink-soft); }