/* ================================================================
   Webe Design System — "Weby ako z iného vesmíru"
   Cosmic / Futuristic / Owl — digitálna agentúra webe.sk
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@300;400;500;600;700;800&family=Poppins:wght@300;400;500;600;700&display=swap');

/* ================================================================
   TOKENS
   ================================================================ */
:root {
  /* --- Space backgrounds --- */
  --space-void: #030510;
  --space-deep: #05070f;
  --space-dark: #080b18;
  --space-panel: #0b1024;
  --space-panel-2: #0e1430;
  --space-line: rgba(148, 184, 255, 0.1);
  --space-line-soft: rgba(148, 184, 255, 0.06);

  /* --- Brand: evolved from #106f7e teal --- */
  --cyan: #3ddbf0;
  --cyan-bright: #6ff2ff;
  --cyan-deep: #0e7490;
  --teal: #106f7e;
  --violet: #8b6cf6;
  --violet-deep: #5b3fd4;
  --green: #4ade80;
  --amber: #fbbf24;

  --cyan-glow: rgba(61, 219, 240, 0.35);
  --cyan-subtle: rgba(61, 219, 240, 0.08);
  --violet-glow: rgba(139, 108, 246, 0.35);
  --violet-subtle: rgba(139, 108, 246, 0.08);

  /* --- Neutrals --- */
  --white: #f4f8ff;
  --star: #dbe7ff;
  --gray-100: #dde5f4;
  --gray-200: #c3cee4;
  --gray-300: #9fadc9;
  --gray-400: #7684a3;
  --gray-500: #55617d;
  --gray-600: #3a445c;

  /* --- Gradients --- */
  --gradient-brand: linear-gradient(120deg, var(--cyan) 0%, var(--violet) 100%);
  --gradient-brand-soft: linear-gradient(120deg, rgba(61,219,240,0.14) 0%, rgba(139,108,246,0.14) 100%);
  --gradient-nebula:
    radial-gradient(ellipse 60% 45% at 18% 20%, rgba(61,219,240,0.09) 0%, transparent 60%),
    radial-gradient(ellipse 55% 40% at 85% 65%, rgba(139,108,246,0.1) 0%, transparent 60%);
  --gradient-card: linear-gradient(160deg, rgba(20, 28, 58, 0.72) 0%, rgba(9, 13, 30, 0.92) 100%);
  --gradient-text: linear-gradient(105deg, var(--cyan-bright) 0%, var(--cyan) 35%, var(--violet) 100%);

  /* --- Typography --- */
  --font-heading: 'Be Vietnam Pro', 'Segoe UI', sans-serif;
  --font-body: 'Poppins', 'Segoe UI', sans-serif;

  --fs-display: clamp(2.9rem, 8vw, 7.2rem);
  --fs-h1: clamp(2.5rem, 5.5vw, 4.8rem);
  --fs-h2: clamp(1.9rem, 3.8vw, 3.2rem);
  --fs-h3: clamp(1.45rem, 2.6vw, 2.1rem);
  --fs-h4: clamp(1.2rem, 1.8vw, 1.5rem);
  --fs-h5: clamp(1.05rem, 1.3vw, 1.25rem);
  --fs-body: clamp(0.95rem, 1vw, 1.06rem);
  --fs-body-lg: clamp(1.05rem, 1.3vw, 1.25rem);
  --fs-small: clamp(0.82rem, 0.9vw, 0.9rem);
  --fs-xs: 0.75rem;

  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-xbold: 800;

  --lh-tight: 1.05;
  --lh-snug: 1.25;
  --lh-normal: 1.6;
  --lh-relaxed: 1.8;

  --ls-tight: -0.02em;
  --ls-wide: 0.05em;
  --ls-wider: 0.12em;
  --ls-widest: 0.24em;

  /* --- Spacing --- */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* --- Layout --- */
  --container-max: 1320px;
  --container-narrow: 880px;
  --container-wide: 1560px;
  --gutter: clamp(1.1rem, 3.5vw, 2rem);
  --section-padding: clamp(4.5rem, 10vw, 8.5rem);

  /* --- Borders / radius --- */
  --border-thin: 1px solid var(--space-line);
  --border-soft: 1px solid var(--space-line-soft);
  --border-cyan: 1px solid rgba(61, 219, 240, 0.45);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* --- Shadows --- */
  --shadow-md: 0 8px 30px rgba(1, 3, 12, 0.5);
  --shadow-lg: 0 18px 60px rgba(1, 3, 12, 0.65);
  --shadow-cyan: 0 8px 40px rgba(61, 219, 240, 0.22);
  --shadow-violet: 0 8px 40px rgba(139, 108, 246, 0.25);
  --shadow-glow: 0 0 50px rgba(61, 219, 240, 0.14);

  /* --- Motion --- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-swift: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 320ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 600ms cubic-bezier(0.16, 1, 0.3, 1);

  /* --- Z-index --- */
  --z-nav: 500;
  --z-overlay: 900;
}

/* ================================================================
   RESET + BASE
   ================================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--gray-200);
  background: var(--space-deep);
  overflow-x: hidden;
  min-height: 100vh;
}

::selection { background: var(--cyan); color: var(--space-void); }

img, svg, video { display: block; max-width: 100%; }
a { color: var(--cyan); text-decoration: none; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }
ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--white);
  line-height: var(--lh-snug);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
}

/* ================================================================
   LAYOUT HELPERS
   ================================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }
.container--wide { max-width: var(--container-wide); }

.section {
  position: relative;
  padding-block: var(--section-padding);
}
.section--flush { padding-block: 0; }

/* Section headers */
.section-head { max-width: 780px; margin-bottom: var(--space-3xl); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head__title { font-size: var(--fs-h2); margin-bottom: var(--space-md); }
.section-head__lead {
  font-size: var(--fs-body-lg);
  color: var(--gray-300);
  font-weight: var(--fw-light);
}

/* Eyebrow / kicker */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: var(--space-lg);
}
.kicker::before {
  content: '';
  width: 30px;
  height: 1px;
  background: var(--gradient-brand);
}
.kicker--center::after {
  content: '';
  width: 30px;
  height: 1px;
  background: var(--gradient-brand);
}

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

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  padding: 1.05em 2.2em;
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), box-shadow var(--transition-base),
              background var(--transition-base), color var(--transition-base),
              border-color var(--transition-base);
  will-change: transform;
  white-space: nowrap;
}
.btn--primary {
  background: var(--gradient-brand);
  color: var(--space-void);
  box-shadow: var(--shadow-cyan);
}
.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 50px rgba(61, 219, 240, 0.4);
}
.btn--ghost {
  border: 1px solid rgba(148, 184, 255, 0.28);
  color: var(--white);
  background: rgba(148, 184, 255, 0.04);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan-bright);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}
.btn--sm { padding: 0.7em 1.6em; font-size: var(--fs-xs); }
.btn .btn__arrow { transition: transform var(--transition-base); }
.btn:hover .btn__arrow { transform: translateX(5px); }

/* ================================================================
   HEADER / NAV
   ================================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  transition: background var(--transition-base), box-shadow var(--transition-base),
              border-color var(--transition-base);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(4, 6, 16, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: var(--border-soft);
  box-shadow: var(--shadow-md);
}
.nav__inner {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding: 1.1rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: var(--fw-xbold);
  letter-spacing: -0.03em;
  color: var(--white);
}
.nav__brand .dot { color: var(--cyan); }
.nav__brand svg { width: 38px; height: 38px; }
.nav__logo {
  height: 34px;
  width: auto;
  filter: drop-shadow(0 2px 14px rgba(61, 219, 240, 0.25));
  transition: filter var(--transition-base), transform var(--transition-base);
}
.nav__brand:hover .nav__logo {
  filter: drop-shadow(0 2px 20px rgba(61, 219, 240, 0.5));
  transform: translateY(-1px);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2.4vw, 2.4rem);
}
.nav__link {
  position: relative;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--gray-200);
  letter-spacing: var(--ls-wide);
  padding: 0.4rem 0;
  transition: color var(--transition-fast);
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 100%;
  background: var(--gradient-brand);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}
.nav__link:hover { color: var(--white); }
.nav__link:hover::after,
.nav__link.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav__link.is-active { color: var(--cyan-bright); }
.nav__cta { display: inline-flex; }

/* Burger */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  align-items: center;
  border-radius: var(--radius-sm);
  z-index: calc(var(--z-nav) + 2);
}
.nav__toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Mobile panel */
.nav__panel {
  display: none;
}

@media (max-width: 920px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .nav__panel {
    display: flex;
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-nav) + 1);
    background: rgba(3, 5, 16, 0.96);
    backdrop-filter: blur(24px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
  }
  .nav__panel.is-open { opacity: 1; visibility: visible; }
  .nav__panel a {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 6vw, 2.2rem);
    font-weight: var(--fw-bold);
    color: var(--white);
    transition: color var(--transition-fast), transform var(--transition-base);
  }
  .nav__panel a:hover { color: var(--cyan); transform: translateX(6px); }
  .nav__panel .btn { margin-top: var(--space-lg); }
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  position: relative;
  border-top: var(--border-soft);
  background:
    radial-gradient(ellipse 70% 60% at 50% 120%, rgba(61, 219, 240, 0.07) 0%, transparent 65%),
    var(--space-void);
  padding: var(--space-4xl) 0 var(--space-xl);
  overflow: hidden;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}
.footer__brand { font-family: var(--font-heading); font-size: 1.8rem; font-weight: var(--fw-xbold); color: var(--white); margin-bottom: var(--space-md); }
.footer__brand .dot { color: var(--cyan); }
.footer__logo {
  height: 42px;
  width: auto;
  margin-bottom: var(--space-lg);
  filter: drop-shadow(0 2px 14px rgba(61, 219, 240, 0.2));
}
.footer__tagline { color: var(--gray-100); max-width: 320px; font-size: var(--fs-small); }
.footer__title {
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--gray-200);
  margin-bottom: var(--space-lg);
  font-weight: var(--fw-semibold);
}
.footer__list li { margin-bottom: var(--space-sm); }
.footer__list a, .footer__list span {
  color: var(--white);
  font-size: var(--fs-small);
  transition: color var(--transition-fast);
}
.footer__list a:hover { color: var(--cyan-bright); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-md);
  padding-top: var(--space-xl);
  border-top: var(--border-soft);
  color: var(--gray-200);
  font-size: var(--fs-xs);
}
@media (max-width: 760px) {
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-2xl); }
}

/* ================================================================
   CARDS & PANELS
   ================================================================ */
.card {
  position: relative;
  background: var(--gradient-card);
  border: var(--border-thin);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: transform var(--transition-base), border-color var(--transition-base),
              box-shadow var(--transition-base);
  overflow: hidden;
  isolation: isolate;
}
.card:hover {
  border-color: rgba(61, 219, 240, 0.35);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
}
.card__icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--gradient-brand-soft);
  border: var(--border-thin);
  color: var(--cyan);
  margin-bottom: var(--space-lg);
}
.card__icon svg { width: 26px; height: 26px; }
.card__title { font-size: var(--fs-h4); margin-bottom: var(--space-sm); }
.card__text { color: var(--gray-300); font-size: var(--fs-small); }

/* Tag / chip */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  color: var(--gray-200);
  padding: 0.35em 0.9em;
  border-radius: var(--radius-full);
  border: var(--border-thin);
  background: rgba(148, 184, 255, 0.05);
}
.chip--cyan { color: var(--cyan); border-color: rgba(61,219,240,0.3); background: var(--cyan-subtle); }
.chip--violet { color: var(--violet); border-color: rgba(139,108,246,0.3); background: var(--violet-subtle); }
.chip--green { color: var(--green); border-color: rgba(74,222,128,0.3); background: rgba(74,222,128,0.07); }

/* Check list */
.check-list li {
  position: relative;
  padding-left: 1.9em;
  margin-bottom: 0.7em;
  color: var(--gray-200);
  font-size: var(--fs-small);
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.18em;
  width: 1.15em;
  height: 1.15em;
  border-radius: 50%;
  background: var(--cyan-subtle);
  border: 1px solid rgba(61, 219, 240, 0.4);
}
.check-list li::after {
  content: '';
  position: absolute;
  left: 0.33em;
  top: 0.44em;
  width: 0.5em;
  height: 0.28em;
  border-left: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
}
.check-list--muted li { color: var(--gray-400); }
.check-list li.is-no::before { background: rgba(255,255,255,0.03); border-color: rgba(148,184,255,0.18); }
.check-list li.is-no::after {
  border: none;
  width: 0.55em;
  height: 2px;
  background: var(--gray-500);
  top: 0.72em;
  left: 0.3em;
  transform: none;
}

/* ================================================================
   FORMS
   ================================================================ */
.field { margin-bottom: var(--space-lg); }
.field label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--gray-300);
  margin-bottom: var(--space-xs);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  color: var(--white);
  background: rgba(148, 184, 255, 0.04);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: 0.85em 1.1em;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(61, 219, 240, 0.15);
}
.field textarea { min-height: 130px; resize: vertical; }
.field select option { background: var(--space-panel); }

/* ================================================================
   MISC
   ================================================================ */
.divider-glow {
  height: 1px;
  border: none;
  background: linear-gradient(90deg, transparent, rgba(61, 219, 240, 0.4), rgba(139, 108, 246, 0.4), transparent);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 9999;
  background: var(--cyan);
  color: var(--space-void);
  padding: 0.6em 1.2em;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }