/* ==========================================================================
   VUXA · single-page shop
   Pravila: emil-design-eng + apple-design (animiramo samo transform/opacity,
   ease-out za ulaz, UI ispod 300ms, :active scale(0.97), hover samo za miš,
   prefers-reduced-motion poštovan).
   ========================================================================== */

:root {
  --bg: #000000;
  --surface: #0b0b0c;
  --surface-2: #151517;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f5f5f7;
  --text-2: rgba(245, 245, 247, 0.66);
  --text-3: rgba(245, 245, 247, 0.42);
  --green: #3ba07f;
  --blue: #2a6fae;
  --accent: linear-gradient(90deg, var(--green), var(--blue));
  --danger: #ff6b6b;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);

  --radius: 22px;
  --radius-sm: 14px;
  --gutter: clamp(1.25rem, 5vw, 2.5rem);
  --section: clamp(5rem, 14vw, 9rem);

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  color-scheme: dark;
}

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

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

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.55 var(--font);
  letter-spacing: -0.003em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
button, input, textarea { font: inherit; color: inherit; }

h1, h2, h3 {
  font-family: var(--font-display);
  margin: 0;
  font-weight: 650;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.6rem, 9vw, 5.25rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(2rem, 6.5vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.028em;
}

h3 {
  font-size: 1.125rem;
  line-height: 1.3;
  letter-spacing: -0.012em;
  font-weight: 600;
}

p { margin: 0; text-wrap: pretty; }

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

.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow { max-width: 640px; }

.section { padding-block: var(--section); }

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1rem;
}

.lead {
  margin-top: 1.25rem;
  font-size: clamp(1.0625rem, 2.6vw, 1.25rem);
  line-height: 1.55;
  color: var(--text-2);
}

.lead strong { color: var(--text); font-weight: 600; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  padding: 0.75rem 1rem;
  background: var(--text);
  color: var(--bg);
  border-radius: 999px;
  z-index: 100;
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 52px;
  padding: 0 1.75rem;
  border: 0;
  border-radius: 999px;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  transition:
    transform 160ms var(--ease-out),
    background-color 200ms ease,
    opacity 200ms ease;
}

.btn:active { transform: scale(0.97); }

.btn--primary { background: var(--text); color: #000; }

.btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.btn--block { width: 100%; }

@media (hover: hover) and (pointer: fine) {
  .btn--primary:hover { background: #ffffff; }
  .btn--ghost:hover { background: rgba(255, 255, 255, 0.14); }
}

/* ---------- Hero ---------- */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: max(2rem, env(safe-area-inset-top)) var(--gutter) 3.5rem;
  text-align: center;
}

.hero__logo {
  width: clamp(112px, 28vw, 150px);
  height: auto;
}

.hero__media {
  margin: clamp(1rem, 4vw, 2rem) 0 0;
  width: min(80%, 560px, 62svh); /* proizvod diše; ceo hero staje u prvi ekran */
  aspect-ratio: 4 / 3;
  position: relative;
  /* Ivice fotografije se utapaju u crnu pozadinu, bez vidljivih prelaza */
  -webkit-mask-image: radial-gradient(ellipse 72% 72% at 50% 50%, #000 58%, transparent 100%);
  mask-image: radial-gradient(ellipse 72% 72% at 50% 50%, #000 58%, transparent 100%);
}

.hero__photo,
.hero__fallback {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero__fallback { padding: 6%; }

.hero__copy {
  max-width: 640px;
  margin-top: clamp(0.5rem, 2vw, 1.5rem);
}

.hero__lead {
  margin: 1.25rem auto 0;
  max-width: 34ch;
  font-size: clamp(1.0625rem, 2.8vw, 1.3125rem);
  color: var(--text-2);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero__trust {
  list-style: none;
  padding: 0;
  margin: 1.75rem 0 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
  font-size: 0.875rem;
  color: var(--text-3);
}

.hero__trust li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.hero__trust li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Learn ---------- */

.learn { border-top: 1px solid var(--line); }

.learn__grid {
  display: grid;
  gap: clamp(3rem, 8vw, 5rem);
  align-items: center;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 2.5rem 0 0;
  display: grid;
  gap: 1.5rem;
}

.step {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 1rem;
  align-items: start;
}

.step__num {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
}

.press-options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.press-option {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  font-size: 0.9375rem;
  color: var(--text-2);
}

.press-option strong {
  color: var(--text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.press-options__or {
  font-size: 0.875rem;
  color: var(--text-3);
}

.step p {
  margin-top: 0.3rem;
  color: var(--text-2);
  font-size: 1rem;
}

.learn__visual {
  margin: 0;
  padding: clamp(1.5rem, 5vw, 2.5rem);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(59, 160, 127, 0.1), transparent 60%),
    var(--surface);
  border: 1px solid var(--line);
}

.hand {
  width: min(100%, 300px);
  height: auto;
  margin-inline: auto;
}

.learn__visual figcaption {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.9375rem;
  color: var(--text-2);
}

.hand__pulse {
  transform-box: fill-box;
  transform-origin: center;
}

@media (prefers-reduced-motion: no-preference) {
  .hand__pulse { animation: pulse 2.4s var(--ease-out) infinite; }
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.9; }
  100% { transform: scale(2.4); opacity: 0; }
}

.benefits {
  list-style: none;
  padding: 0;
  margin: clamp(4rem, 10vw, 6rem) 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.benefit {
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--line);
  display: grid;
  gap: 0.35rem;
  align-content: start;
}

.benefit__icon {
  width: 22px;
  height: 22px;
  margin-bottom: 0.4rem;
  fill: none;
  stroke: var(--green);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.benefit strong { font-weight: 600; letter-spacing: -0.01em; }
.benefit span { font-size: 0.9375rem; color: var(--text-2); line-height: 1.45; }

.disclaimer {
  margin-top: 1.5rem;
  font-size: 0.8125rem;
  color: var(--text-3);
  text-align: center;
}

/* ---------- Order ---------- */

.order {
  border-top: 1px solid var(--line);
  padding-bottom: calc(var(--section) + 4rem);
}

.order:focus { outline: none; }

.order__card {
  margin-top: 2.5rem;
  padding: clamp(1.25rem, 5vw, 2rem);
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  display: grid;
}

/* Forma i potvrda dele isto mesto za glatku zamenu */
.order__form,
.order__success { grid-area: 1 / 1; }

.field-group {
  border: 0;
  margin: 0 0 2rem;
  padding: 0;
  min-width: 0;
}

.field-group legend {
  padding: 0;
  margin-bottom: 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
}

.qty-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1rem 1rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--line);
}

.qty__product { display: grid; gap: 0.15rem; }
.qty__name { font-weight: 600; font-size: 1rem; }
.qty__price { font-size: 0.9375rem; color: var(--text-2); font-variant-numeric: tabular-nums; }

.qty__hint {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-3);
}

.qty__hint.is-active { color: var(--green); }

.stepper {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem;
  border-radius: 999px;
  background: #000;
  border: 1px solid var(--line);
}

.stepper__btn {
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 140ms var(--ease-out), background-color 160ms ease, opacity 160ms ease;
}

.stepper__btn:active { transform: scale(0.92); background: rgba(255, 255, 255, 0.08); }
.stepper__btn:disabled { opacity: 0.3; cursor: default; }
.stepper__btn:disabled:active { transform: none; background: transparent; }

@media (hover: hover) and (pointer: fine) {
  .stepper__btn:not(:disabled):hover { background: rgba(255, 255, 255, 0.08); }
}

.stepper__value {
  min-width: 2ch;
  text-align: center;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 0.75rem;
}

.field { display: grid; gap: 0.4rem; min-width: 0; }
.field--full { grid-column: 1 / -1; }

.field > span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
}

.field em { font-style: normal; color: var(--text-3); }

.field input,
.field textarea {
  width: 100%;
  min-height: 52px;
  padding: 0.875rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: #000;
  font-size: 1rem; /* 16px sprečava zumiranje na iOS-u */
  transition: border-color 160ms ease, box-shadow 160ms ease;
  -webkit-appearance: none;
  appearance: none;
}

.field textarea { resize: vertical; min-height: 76px; }

.field input::placeholder { color: var(--text-3); }

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(42, 111, 174, 0.3);
}

.field__error {
  font-size: 0.8125rem;
  color: var(--danger);
  display: none;
}

.field.is-invalid input:not([type="radio"]) { border-color: var(--danger); }

/* ---------- Izbor boje (swatches) ---------- */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.swatches {
  border: 0;
  margin: 0;
  padding: 0;
  gap: 0.75rem;
}

.field-group .swatches legend {
  padding: 0;
  margin-bottom: 0.75rem;
  text-transform: none;
  letter-spacing: normal;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
}

.swatches__name {
  margin-left: 0.35rem;
  color: var(--text-3);
  font-weight: 400;
}

.swatches__list {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding-left: 4px; /* prostor za prsten selekcije, poravnato sa ivicom polja */
}

.swatch {
  position: relative;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--swatch);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.14),
    0 2px 6px rgba(0, 0, 0, 0.5);
  transition: transform 160ms var(--ease-out);
}

/* veća zona za dodir (44px) bez menjanja izgleda */
.swatch::before {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
}

/* prsten selekcije: tanak, sa razmakom od kružića */
.swatch::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1.5px solid var(--text);
  opacity: 0;
  transform: scale(0.9);
  transition:
    opacity 180ms var(--ease-out),
    transform 180ms var(--ease-out);
}

.swatch:has(input:checked)::after {
  opacity: 1;
  transform: none;
}

.swatch:active { transform: scale(0.92); }

.swatch input {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.swatch:has(input:focus-visible) {
  outline: 2px solid var(--blue);
  outline-offset: 6px;
}

@media (hover: hover) and (pointer: fine) {
  .swatch:not(:has(input:checked)):hover::after {
    opacity: 0.35;
    transform: none;
  }
}
.field.is-invalid .field__error { display: block; }

.summary {
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--line);
  margin-bottom: 1.5rem;
  display: grid;
  gap: 0.6rem;
}

.summary__row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9375rem;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.summary__row--total {
  margin-top: 0.4rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
}

.summary__note { font-size: 0.8125rem; color: var(--text-3); }

.btn--submit { min-height: 56px; }

.btn__label {
  display: inline-block;
  transition: filter 200ms ease, opacity 200ms ease;
}

.btn--submit.is-loading { pointer-events: none; }
.btn--submit.is-loading .btn__label { filter: blur(2px); opacity: 0.6; }

.form__status {
  margin-top: 1rem;
  font-size: 0.9375rem;
  color: var(--danger);
  text-align: center;
}

/* Zamena forme potvrdom: crossfade + blagi blur (emil-design-eng) */
.order__form,
.order__success {
  transition:
    opacity 300ms var(--ease-out),
    transform 300ms var(--ease-out),
    filter 300ms var(--ease-out);
}

.order__card.is-done .order__form {
  opacity: 0;
  transform: scale(0.98);
  filter: blur(4px);
  pointer-events: none;
}

.order__success {
  align-self: center;
  text-align: center;
  padding: 2rem 0.5rem;
  opacity: 0;
  transform: scale(0.96);
  filter: blur(4px);
}

.order__success:focus { outline: none; }

.order__card.is-done .order__success {
  opacity: 1;
  transform: none;
  filter: none;
}

.success__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
}

.order__success h3 { font-size: 1.375rem; }
.order__success p { margin-top: 0.5rem; color: var(--text-2); }

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem var(--gutter) calc(6.5rem + env(safe-area-inset-bottom));
  display: grid;
  justify-items: center;
  gap: 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-3);
}

.footer img { width: 96px; height: auto; opacity: 0.8; }

/* ---------- Sticky CTA ---------- */

.sticky-cta {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 52px;
  padding: 0 1.35rem 0 1.15rem;
  border-radius: 999px;
  background: var(--text);
  color: #000;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.06);
  transition:
    transform 220ms var(--ease-out),
    opacity 220ms var(--ease-out);
  transform-origin: bottom right;
}

.sticky-cta:active { transform: scale(0.97); }

.sticky-cta.is-hidden {
  opacity: 0;
  transform: scale(0.95) translateY(8px);
  pointer-events: none;
  transition-duration: 160ms; /* izlaz brži od ulaza */
}

/* ---------- Animacije pri ulasku ---------- */

/* Hero: jednom pri učitavanju, kratak stagger */
@media (prefers-reduced-motion: no-preference) {
  .js .enter {
    opacity: 0;
    transform: translateY(12px);
    animation: enter 700ms var(--ease-out) forwards;
    animation-delay: calc(var(--i, 0) * 70ms + 80ms);
  }

  .js .enter--media {
    transform: scale(0.97);
    animation-duration: 1100ms;
  }

  /* Scroll reveal: blagi fade-in odozdo */
  .js .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition:
      opacity 700ms var(--ease-out),
      transform 700ms var(--ease-out);
    transition-delay: var(--delay, 0ms);
  }

  .js .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}

@keyframes enter {
  to { opacity: 1; transform: none; }
}

/* Smanjen pokret: samo kratak fade, bez pomeranja */
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 0; transition: opacity 250ms ease; }
  .js .reveal.is-visible { opacity: 1; }
  .sticky-cta,
  .sticky-cta.is-hidden { transform: none; }
}

/* ---------- Veći ekrani ---------- */

@media (min-width: 720px) {
  .benefits { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .learn__grid { grid-template-columns: 1.1fr 0.9fr; }

  .sticky-cta {
    right: 2rem;
    bottom: 2rem;
  }
}