/* ==========================================================================
   FitKalkulator — shared stylesheet
   Palette: paper white / graphite ink / paprika (energy) / herbal green (health)
   Type: Archivo (display, condensed/black) + Inter (body & UI)
   ========================================================================== */

:root {
  --paper: #ffffff;
  --paper-dim: #f4f6f5;
  --ink: #171b19;
  --ink-soft: #4b544e;
  --muted: #74807a;
  --line: #dfe4e1;
  --line-strong: #c3cbc6;

  --paprika: #d94f1e;
  --paprika-dark: #b53f16;
  --paprika-tint: #fdece3;

  --herb: #256a4a;
  --herb-dark: #1a4d37;
  --herb-tint: #e7f2ec;

  --radius-s: 4px;
  --radius-m: 10px;
  --shadow-card: 0 1px 0 rgba(23, 27, 25, 0.04), 0 8px 24px -16px rgba(23, 27, 25, 0.25);

  --maxw: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #14171a;
    --paper-dim: #191d1f;
    --ink: #eef1ef;
    --ink-soft: #c1c9c3;
    --muted: #8a938c;
    --line: #2a2f2d;
    --line-strong: #3a413d;
    --paprika: #ff8452;
    --paprika-dark: #ff6a2e;
    --paprika-tint: #2a1c15;
    --herb: #6bc79a;
    --herb-dark: #4fa77d;
    --herb-tint: #16241d;
    --shadow-card: 0 1px 0 rgba(0, 0, 0, 0.3), 0 8px 24px -16px rgba(0, 0, 0, 0.6);
  }
}
:root[data-theme="dark"] {
  --paper: #14171a;
  --paper-dim: #191d1f;
  --ink: #eef1ef;
  --ink-soft: #c1c9c3;
  --muted: #8a938c;
  --line: #2a2f2d;
  --line-strong: #3a413d;
  --paprika: #ff8452;
  --paprika-dark: #ff6a2e;
  --paprika-tint: #2a1c15;
  --herb: #6bc79a;
  --herb-dark: #4fa77d;
  --herb-tint: #16241d;
  --shadow-card: 0 1px 0 rgba(0, 0, 0, 0.3), 0 8px 24px -16px rgba(0, 0, 0, 0.6);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "Archivo", "Inter", sans-serif;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.08;
  margin: 0 0 0.5em;
  color: var(--ink);
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 900; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; color: var(--ink-soft); max-width: 66ch; }
a { color: var(--paprika-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { color: var(--ink-soft); }
strong { color: var(--ink); }

:focus-visible {
  outline: 2.5px solid var(--paprika);
  outline-offset: 2px;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--paper);
  z-index: 40;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  font-family: "Archivo", sans-serif;
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: var(--paprika);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 900;
}
.main-nav {
  display: flex;
  gap: 28px;
  font-size: 0.95rem;
  font-weight: 600;
}
.main-nav a { color: var(--ink-soft); }
.main-nav a:hover { color: var(--ink); text-decoration: none; }
.nav-toggle { display: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius-s);
  font-weight: 700;
  font-size: 0.98rem;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--paprika);
  color: #fff;
}
.btn-primary:hover { background: var(--paprika-dark); }
.btn-outline {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-outline:hover { border-color: var(--ink); }
.btn-block { width: 100%; }
.btn-lg { padding: 16px 28px; font-size: 1.05rem; }

/* ---------- hero ---------- */
.hero {
  padding: 64px 0 40px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: start;
}
.hero h1 { margin-bottom: 0.4em; }
.hero .lede { font-size: 1.15rem; max-width: 46ch; }
.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.hero-stat b {
  display: block;
  font-family: "Archivo", sans-serif;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--ink);
}
.hero-stat span { font-size: 0.85rem; color: var(--muted); }

/* ---------- calculator card ---------- */
.calc-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-card);
  padding: 28px;
}
.calc-card h3 {
  margin-bottom: 4px;
}
.calc-sub {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 20px;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field.full { grid-column: 1 / -1; }
.field label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-soft);
}
.field input[type="number"],
.field select {
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-s);
  padding: 11px 12px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  background: var(--paper);
}
.field input:focus, .field select:focus {
  border-color: var(--paprika);
  outline: none;
}
.seg {
  display: flex;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-s);
  overflow: hidden;
}
.seg button {
  flex: 1;
  border: none;
  background: var(--paper);
  padding: 10px 6px;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--ink-soft);
  cursor: pointer;
  border-right: 1.5px solid var(--line-strong);
}
.seg button:last-child { border-right: none; }
.seg button.active {
  background: var(--ink);
  color: #fff;
}

.result-box {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--line-strong);
  display: none;
}
.result-box.show { display: block; }
.result-headline {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
}
.result-headline .num {
  font-family: "Archivo", sans-serif;
  font-weight: 900;
  font-size: 2.6rem;
  color: var(--paprika-dark);
  line-height: 1;
}
.result-headline .unit {
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 700;
}
.result-note { font-size: 0.88rem; color: var(--muted); margin-bottom: 14px; }

.macro-bars { display: flex; flex-direction: column; gap: 10px; margin: 14px 0 18px; }
.macro-row { display: grid; grid-template-columns: 90px 1fr 64px; align-items: center; gap: 10px; font-size: 0.88rem; }
.macro-row .label { font-weight: 700; color: var(--ink-soft); }
.macro-track { height: 8px; background: var(--paper-dim); border-radius: 6px; overflow: hidden; }
.macro-fill { height: 100%; border-radius: 6px; }
.macro-fill.protein { background: var(--herb); }
.macro-fill.carbs { background: var(--paprika); }
.macro-fill.fat { background: #c99a3d; }
.macro-row .val { text-align: right; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }

.bmi-scale {
  display: flex;
  height: 10px;
  border-radius: 6px;
  overflow: hidden;
  margin: 14px 0 6px;
  position: relative;
}
.bmi-scale span { flex: 1; }
.bmi-scale .under { background: #cfe0f5; }
.bmi-scale .normal { background: var(--herb); }
.bmi-scale .over { background: #f0c26b; }
.bmi-scale .obese { background: var(--paprika); }
.bmi-marker {
  position: absolute;
  top: -4px;
  width: 3px;
  height: 18px;
  background: var(--ink);
  border-radius: 2px;
  transform: translateX(-50%);
}
.bmi-labels { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--muted); margin-bottom: 16px; }

.upsell {
  background: var(--paper-dim);
  border-radius: var(--radius-s);
  padding: 16px;
  margin-top: 4px;
}
.upsell p { margin-bottom: 10px; font-size: 0.92rem; }

.error-msg {
  color: var(--paprika-dark);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: -6px;
  margin-bottom: 10px;
  display: none;
}
.error-msg.show { display: block; }

/* ---------- sections ---------- */
section { padding: 72px 0; }
.section-dim { background: var(--paper-dim); }
.section-head { max-width: 620px; margin-bottom: 44px; }
.eyebrow-plain { font-size: 0.9rem; color: var(--herb-dark); font-weight: 700; margin-bottom: 10px; display: block; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.step { border-top: 3px solid var(--ink); padding-top: 16px; }
.step .step-index {
  font-family: "Archivo", sans-serif;
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--line-strong);
  display: block;
  margin-bottom: 8px;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 24px;
}
.feature-card h3 { margin-bottom: 8px; font-size: 1.05rem; }
.feature-card p { font-size: 0.94rem; margin-bottom: 0; }

.plan-cta {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-m);
  padding: 48px;
}
.plan-cta h2, .plan-cta p { color: #fff; }
.plan-cta p { color: #c7cdc9; }
.plan-cta ul { list-style: none; padding: 0; margin: 20px 0; }
.plan-cta li { padding: 8px 0; border-top: 1px solid #2c322f; font-size: 0.95rem; color: #e3e7e4; }
.plan-cta li:first-child { border-top: none; }
.price-tag {
  background: #1d211f;
  border: 1px solid #333a36;
  border-radius: var(--radius-m);
  padding: 28px;
  text-align: center;
}
.price-tag .amount { font-family: "Archivo", sans-serif; font-weight: 900; font-size: 2.4rem; }
.price-tag .amount small { font-size: 1rem; font-weight: 700; color: #9aa39d; }
.price-tag .btn { margin-top: 16px; }
.price-tag .fine { font-size: 0.8rem; color: #8a938c; margin-top: 10px; }

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.article-card {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.article-card .tag { font-size: 0.78rem; font-weight: 700; color: var(--herb-dark); text-transform: none; }
.article-card h3 { margin: 8px 0 8px; font-size: 1.08rem; }
.article-card p { font-size: 0.92rem; }
.article-card .read-more { font-size: 0.88rem; font-weight: 700; }

.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}
.faq-item h3 { font-size: 1.02rem; margin-bottom: 8px; }
.faq-item p { margin-bottom: 0; font-size: 0.95rem; }

/* ---------- article / pillar page ---------- */
.article-hero {
  padding: 48px 0 20px;
  border-bottom: 1px solid var(--line);
}
.article-meta { font-size: 0.88rem; color: var(--muted); margin-bottom: 14px; }
.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px;
}
.article-body h2 { margin-top: 1.6em; }
.article-body h3 { margin-top: 1.4em; }
.article-body ul, .article-body ol { max-width: 66ch; }
.article-body li { margin-bottom: 0.4em; }
.toc {
  background: var(--paper-dim);
  border-radius: var(--radius-m);
  padding: 20px 24px;
  margin: 28px 0;
}
.toc h3 { font-size: 0.95rem; margin-bottom: 10px; }
.toc ol { margin: 0; padding-left: 20px; font-size: 0.92rem; }
.toc li { margin-bottom: 6px; }
.callout {
  background: var(--herb-tint);
  border-left: 3px solid var(--herb);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  padding: 16px 20px;
  margin: 24px 0;
}
.callout p { margin: 0; color: var(--ink); font-size: 0.95rem; }
.inline-cta {
  background: var(--paprika-tint);
  border-radius: var(--radius-m);
  padding: 24px;
  margin: 32px 0;
  text-align: center;
}
.inline-cta p { margin-bottom: 14px; color: var(--ink); }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.92rem;
}
table.data-table th, table.data-table td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
}
table.data-table th { background: var(--paper-dim); font-weight: 700; }

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  margin-top: 40px;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 0.88rem;
  color: var(--muted);
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--muted); }

/* ---------- narudžbina (order) stranica ---------- */
.order-page {
  padding: 56px 0 96px;
}
.order-wrap {
  max-width: 640px;
}
.order-intro {
  margin-bottom: 36px;
}
.order-intro h1 { margin-bottom: 12px; }
.order-intro .lede { max-width: 56ch; }

.order-form-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-card);
  padding: 40px;
}
.order-form-card .field { margin-bottom: 6px; }
.order-form-card .field-row { margin-bottom: 6px; }
.order-form-card textarea {
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-s);
  padding: 12px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  background: var(--paper);
  resize: vertical;
}
.order-form-card textarea:focus {
  border-color: var(--paprika);
  outline: none;
}
.order-form-card .btn-lg { width: 100%; margin-top: 8px; }

.order-success-card {
  background: var(--herb-tint);
  border: 1px solid var(--herb);
  border-radius: var(--radius-m);
  padding: 48px 40px;
  text-align: center;
}
.order-success-card h2 { color: var(--herb-dark); margin-bottom: 12px; }
.order-success-card p { max-width: 48ch; margin: 0 auto 24px; color: var(--ink); }

.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  opacity: 0;
}

@media (max-width: 560px) {
  .order-form-card { padding: 24px; }
}

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .steps { grid-template-columns: 1fr; gap: 24px; }
  .features { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; gap: 24px; }
  .plan-cta { grid-template-columns: 1fr; padding: 28px; }
  .main-nav { display: none; }
}
@media (max-width: 520px) {
  .field-row { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; row-gap: 16px; }
  section { padding: 48px 0; }
}