/* ============================================================
   HARDKOR DIET — Shared Design System
   hardkor.css
   All pages link this file. Page-specific styles stay inline.
   ============================================================ */

/* ------------------------------------------------------------
   DESIGN TOKENS
   Change here, updates everywhere.
   ------------------------------------------------------------ */
:root {
  /* Colors */
  --yellow:        #FDC500;
  --yellow-dim:    #B8900A;
  --black:         #0A0A0A;
  --dark:          #111111;
  --gray:          #1A1A1A;
  --gray-mid:      #2A2A2A;
  --text:          #8A8A8A;
  --text-dim:      #888888;
  --text-light:    #D4D4D4;
  --text-heading:  #8A8A8A;

  /* Fonts */
  --font-display:  Impact, 'Arial Narrow', sans-serif;
  --font-heading:  'Barlow Condensed', sans-serif;
  --font-body:     'Barlow', sans-serif;

  /* Type scale */
  --text-wordmark:  clamp(4.5rem, 17vw, 13rem);   /* Hero wordmark */
  --text-h1:        clamp(2.5rem, 6vw, 5rem);      /* Page hero headlines */
  --text-h2:        clamp(2rem, 5vw, 3.5rem);      /* Section titles */
  --text-h3:        clamp(1.8rem, 3vw, 2.6rem);    /* Sub-section titles */
  --text-h4:        1.25rem;                        /* Card / step titles */
  --text-h5:        1.15rem;                        /* Small card titles */
  --text-label:     0.8rem;                         /* Eyebrow labels */
  --text-nav:       0.95rem;                        /* Nav links */
  --text-body:      1.05rem;                        /* Body copy */
  --text-small:     0.92rem;                        /* Small body */
  --text-meta:      0.8rem;                         /* Footer copy, disclaimers */

  /* Letter spacing */
  --tracking-wide:   0.1em;
  --tracking-wider:  0.2em;
  --tracking-widest: 0.3em;
  --tracking-display: 0.04em;
  --tracking-label:  0.25em;

  /* Spacing */
  --nav-height:     64px;
  --section-v:      100px;
  --section-h:      40px;
  --page-max:       1100px;
  --page-max-narrow: 760px;
  --card-pad:       48px 36px;
  --card-pad-sm:    36px 32px;
}

/* ------------------------------------------------------------
   RESET
   ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ------------------------------------------------------------
   BASE
   ------------------------------------------------------------ */
body {
  background: var(--black);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--yellow); text-decoration: none; }

/* ------------------------------------------------------------
   DIVIDER
   ------------------------------------------------------------ */
.divider {
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--yellow), transparent);
}

/* ------------------------------------------------------------
   NAV
   ------------------------------------------------------------ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--yellow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: var(--nav-height);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.06em;
  color: var(--yellow);
  text-decoration: none;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-nav);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--yellow); }

/* ------------------------------------------------------------
   HAMBURGER
   ------------------------------------------------------------ */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--yellow);
  transition: all 0.25s;
}

/* ------------------------------------------------------------
   MOBILE NAV
   ------------------------------------------------------------ */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: rgba(10,10,10,0.98);
  border-bottom: 2px solid var(--yellow);
  z-index: 99;
  flex-direction: column;
  padding: 16px 0;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: 14px 40px;
  transition: color 0.2s;
}

.mobile-nav a:hover { color: var(--yellow); }

/* ------------------------------------------------------------
   SECTION SHARED ELEMENTS
   ------------------------------------------------------------ */
.section-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-label);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--text-h2);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--text-heading);
}

.section-title span { color: var(--yellow); }

.section-body {
  color: var(--text-light);
  max-width: 680px;
  margin: 0 auto;
  font-size: var(--text-body);
}

/* Page hero headline used on inner pages (privacy, support, affiliates) */
.page-h1 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--text-h1);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-light);
  margin-bottom: 8px;
  line-height: 1.05;
}

.page-h1 span { color: var(--yellow); }

/* Section h2 used on inner pages */
.page-h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--yellow);
  margin: 40px 0 12px;
}

.eyebrow {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-label);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 20px;
}

/* ------------------------------------------------------------
   FOOTER
   ------------------------------------------------------------ */
footer {
  background: var(--black);
  border-top: 2px solid var(--gray-mid);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: var(--tracking-wide);
  color: var(--yellow);
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  gap: 32px;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-meta);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--yellow); }

.footer-copy {
  color: var(--text-dim);
  font-size: var(--text-meta);
}

/* ------------------------------------------------------------
   INNER PAGE LAYOUT (privacy, support, affiliates)
   ------------------------------------------------------------ */
.page {
  max-width: var(--page-max-narrow);
  margin: 0 auto;
  padding: 120px 40px 80px;
}

.page p {
  color: var(--text-dim);
  margin-bottom: 16px;
}

/* ------------------------------------------------------------
   RESPONSIVE
   ------------------------------------------------------------ */
@media (max-width: 900px) {
  nav { padding: 0 20px; }
  .nav-links { gap: 20px; }
}

@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 600px) {
  nav { padding: 0 16px; }
  .page { padding: 100px 20px 60px; }
}