/* Samika marketing site — design tokens
   Aesthetic: warm cream + charcoal, generous typographic scale, hairline rules.
   Inspired by Good Life Meds; original execution.
*/

:root {
  /* Palette — tonal, warm */
  --cream-100: #F7F1E4;
  --cream-200: #F0E7D2;
  --cream-300: #E6D9BC;
  --cream-400: #D9C9A6;
  --paper:     #FAF6EC;

  --ink-900: #161412;
  --ink-800: #1F1D1A;
  --ink-700: #2A2723;
  --ink-600: #44403B;
  --ink-500: #6B655D;
  --ink-400: #908A80;
  --ink-300: #B6AFA3;
  --ink-200: #D7CFC0;
  --ink-100: #E8E1D2;

  --line: rgba(31, 29, 26, 0.14);
  --line-strong: rgba(31, 29, 26, 0.28);

  /* Accent (off by default; toggled via tweak) */
  --accent: #4F6651;            /* muted forest */
  --accent-soft: #DDE3DA;

  /* Type scale */
  --font-display: "Instrument Serif", "Times New Roman", serif;
  --font-sans: "Geist", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Layout */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  --container: 1320px;
  --gutter: 32px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: linear-gradient(180deg, var(--cream-100) 0%, var(--cream-200) 38%, var(--cream-300) 100%);
  background-attachment: fixed;
  color: var(--ink-800);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
  line-height: 1.45;
  letter-spacing: -0.005em;
}

img { max-width: 100%; display: block; }
button { font-family: inherit; }

/* ——— Layout helpers ——— */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: var(--section-pad, 120px) 0;
  position: relative;
}
.section--tight { padding: calc(var(--section-pad, 120px) * 0.66) 0; }
.section--paper { background: var(--paper); }

.hairline { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ——— Type ——— */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.display {
  font-family: var(--font-heading, var(--font-sans));
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.98;
  color: var(--ink-900);
}
.serif {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
}
.h-xl { font-size: calc(clamp(56px, 8vw, 124px) * var(--display-scale, 1)); }
.h-lg { font-size: calc(clamp(40px, 5.6vw, 84px) * var(--display-scale, 1)); }
.h-md { font-size: calc(clamp(32px, 3.6vw, 56px) * var(--display-scale, 1)); }
.h-sm { font-size: calc(clamp(22px, 2vw, 30px) * var(--display-scale, 1)); }

p.lede {
  font-size: calc(18px * var(--body-scale, 1));
  line-height: 1.55;
  color: var(--ink-600);
  max-width: 56ch;
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: var(--btn-radius, var(--radius-pill));
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  text-decoration: none;
}
.btn--primary {
  background: var(--ink-900);
  color: var(--cream-100);
}
.btn--primary:hover { transform: translateY(-1px); background: var(--ink-700); }

.btn--ghost {
  background: transparent;
  color: var(--ink-800);
  border-color: var(--line-strong);
}
.btn--ghost:hover { background: rgba(31,29,26,0.05); }

.btn .arrow {
  display: inline-block;
  transition: transform .25s ease;
}
.btn:hover .arrow { transform: translateX(3px); }

/* ——— Nav ——— */
.nav {
  position: sticky;
  top: 16px;
  z-index: 50;
  padding: 0 24px;
}
.nav__inner {
  max-width: 1100px;
  margin: 0 auto;
  background: rgba(31, 29, 26, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--cream-100);
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  padding: 8px 8px 8px 24px;
  gap: 20px;
}
.nav__brand {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--cream-100);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav__brand .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--dot-color, #7CC7A1);
  box-shadow: 0 0 0 4px rgba(124,199,161,0.18);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(124,199,161,0.18); }
  50% { box-shadow: 0 0 0 7px rgba(124,199,161,0.05); }
}
.nav__links {
  display: flex;
  gap: 28px;
  margin-left: 18px;
  flex: 1;
}
.nav__links a {
  color: rgba(247, 241, 228, 0.78);
  font-size: 14px;
  text-decoration: none;
  transition: color .2s;
}
.nav__links a:hover { color: var(--cream-100); }
.nav__cta {
  background: var(--cream-100);
  color: var(--ink-900);
  border-radius: var(--radius-pill);
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: background .2s;
}
.nav__cta:hover { background: white; }

/* Nav style variants */
.nav--flat-bar { top: 0; padding: 0; }
.nav--flat-bar .nav__inner {
  max-width: none;
  border-radius: 0;
  background: rgba(31,29,26,0.96);
  padding: 14px 32px 14px 32px;
}
.nav--minimal { padding: 0 24px; top: 0; }
.nav--minimal .nav__inner {
  background: transparent;
  color: var(--ink-900);
  border-radius: 0;
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.nav--minimal .nav__brand,
.nav--minimal .nav__links a { color: var(--ink-900); }
.nav--minimal .nav__links a { color: var(--ink-600); }
.nav--minimal .nav__cta {
  background: var(--ink-900); color: var(--cream-100);
}

/* Marquee strip */
.marquee {
  position: relative;
  background: var(--ink-900);
  color: var(--cream-200);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 11px 0;
}
.marquee__track {
  display: flex;
  gap: 60px;
  white-space: nowrap;
  animation: marq 38s linear infinite;
  padding-left: 60px;
}
.marquee__track span { display: inline-flex; align-items: center; gap: 14px; opacity: 0.85; }
.marquee__track span::after {
  content: "";
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--cream-300);
  margin-left: 60px;
  opacity: 0.5;
}
@keyframes marq {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Cards */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.divider-vertical {
  width: 1px;
  background: var(--line);
  align-self: stretch;
}

/* Tag */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-700);
  background: rgba(255,255,255,0.5);
}

/* Inputs (used in lead form + ROI sliders) */
input[type="text"], input[type="email"], input[type="tel"], select, textarea {
  font-family: var(--font-sans);
  font-size: 15px;
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  padding: 14px 0;
  color: var(--ink-900);
  outline: none;
  transition: border-color .2s;
}
input:focus, select:focus, textarea:focus { border-bottom-color: var(--ink-900); }
label.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 4px;
}

/* Footer */
.footer {
  background: var(--ink-900);
  color: var(--cream-200);
  padding: 64px 0 32px;
  margin-top: 0;
}
.footer a { color: rgba(247,241,228,0.65); text-decoration: none; font-size: 14px; }
.footer a:hover { color: var(--cream-100); }

/* Tweaks panel overrides via --accent-active */
[data-accent="green"] { --accent-active: #4F6651; }
[data-accent="terracotta"] { --accent-active: #B5754D; }
[data-accent="teal"] { --accent-active: #3B6364; }
[data-accent="none"] { --accent-active: var(--ink-800); }

/* responsive */
@media (max-width: 900px) {
  .section { padding: 80px 0; }
  .nav__links { display: none; }
  .nav__cta { margin-left: auto; }
}