/* ═══════════════════════════════════════════════════════
   fitness/ — style.css
   Site-specific palette, fonts, and layout.
   Loaded AFTER ../_partials/shared.css
   Shared structural CSS (reset, nav layout, footer grid,
   .reveal) is already applied — DO NOT redefine here.
═══════════════════════════════════════════════════════ */

/* ── TOKENS ─────────────────────────────────── */
:root {
  --nav-mob-bg: #0D2420;
  --forest:    #0D2420;
  --forest2:   #1A3C34;
  --forest3:   #224D42;
  --lime:      #7FD962;
  --lime-dim:  #5CBB3F;
  --lime-glow: rgba(127,217,98,.15);
  --white:     #F2F7F5;
  --muted:     rgba(242,247,245,.5);
  --card-bg:   rgba(26,60,52,.7);
  --border:    rgba(127,217,98,.12);
  --sans:      'Inter', sans-serif;
  --mono:      'DM Mono', monospace;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --forest:  #EFF6F3;
    --forest2: #D8EDE5;
    --forest3: #C0E0D3;
    --white:   #0D2420;
    --muted:   rgba(13,36,32,.5);
    --card-bg: rgba(255,255,255,.85);
    --border:  rgba(92,187,63,.2);
  }
}
[data-theme="light"] {
  --forest:  #EFF6F3;
  --forest2: #D8EDE5;
  --forest3: #C0E0D3;
  --white:   #0D2420;
  --muted:   rgba(13,36,32,.5);
  --card-bg: rgba(255,255,255,.85);
  --border:  rgba(92,187,63,.2);
}
[data-theme="dark"] {
  --forest:    #0D2420;
  --forest2:   #1A3C34;
  --forest3:   #224D42;
  --lime:      #7FD962;
  --white:     #F2F7F5;
  --muted:     rgba(242,247,245,.5);
  --card-bg:   rgba(26,60,52,.7);
  --border:    rgba(127,217,98,.12);
}


body { font-family: var(--sans); background: var(--forest); color: var(--white); overflow-x: hidden; }

/* ── REVEAL ──────────────────────────────────── */


/* ── NAV ────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2.5rem;
  background: rgba(13,36,32,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav__logo {
  font-family: var(--mono);
  font-size: .85rem; letter-spacing: .1em;
  color: var(--lime);
}
.nav__logo span { color: var(--muted); font-weight: 400; }
.nav__links { display: flex; gap: 2rem; list-style: none; }
.nav__links a {
  font-size: .82rem; font-weight: 500;
  color: var(--muted); letter-spacing: .04em;
  transition: color .2s;
  position: relative;
}
.nav__links a::after {
  content: ''; position: absolute; bottom: -3px; left: 0;
  width: 0; height: 1px; background: var(--lime);
  transition: width .25s;
}
.nav__links a:hover { color: var(--lime); }
.nav__links a:hover::after { width: 100%; }
.nav__right { display: flex; align-items: center; gap: 1rem; }
.lang-toggle { display: flex; gap: .35rem; }
.lang-toggle button {
  font-family: var(--mono); font-size: .7rem;
  letter-spacing: .1em; text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted); padding: .25rem .65rem;
  border-radius: 3px; cursor: pointer; transition: all .2s;
}
.lang-toggle button.active,
.lang-toggle button:hover {
  border-color: var(--lime); color: var(--lime);
  box-shadow: 0 0 8px var(--lime-glow);
}
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: transparent; border: none; cursor: pointer; padding: .4rem;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--lime); border-radius: 1px; transition: all .3s; }
body.nav-open .hamburger span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
body.nav-open .hamburger span:nth-child(2) { opacity: 0; }
body.nav-open .hamburger span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
.nav__drawer {
  display: none; position: fixed; inset: 0;
  background: rgba(13,36,32,.98);
  z-index: 99; flex-direction: column;
  align-items: center; justify-content: center; gap: 2.5rem;
}
body.nav-open .nav__drawer { display: flex; }
.nav__drawer a { font-size: 1.4rem; font-weight: 600; color: var(--white); letter-spacing: .04em; }
.nav__drawer a:hover { color: var(--lime); }
@media (max-width: 768px) {
  .nav__links { display: none; }
  .hamburger { display: flex; }
}

/* ── HERO ────────────────────────────────────── */
.hero {
  min-height: calc(100vh - 61px);
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
  padding: 5rem 5vw;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -20%; right: -10%;
  width: 55vw; height: 55vw;
  background: radial-gradient(circle, rgba(127,217,98,.08) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.hero__tag {
  font-family: var(--mono); font-size: .72rem;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--lime); margin-bottom: 1.4rem;
  display: flex; align-items: center; gap: .7rem;
}
.hero__tag::before {
  content: ''; width: 28px; height: 1px; background: var(--lime);
}
.hero h1 {
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 700; line-height: 1.05;
  letter-spacing: -.02em;
  margin-bottom: 1.6rem;
}
.hero h1 em {
  font-style: normal; color: var(--lime);
}
.hero__lead {
  font-size: clamp(.95rem, 1.6vw, 1.1rem);
  color: var(--muted); line-height: 1.75;
  max-width: 460px; margin-bottom: 2.5rem;
}
.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-lime {
  font-family: var(--mono); font-size: .78rem;
  letter-spacing: .12em; text-transform: uppercase;
  padding: .85rem 2rem;
  background: var(--lime); color: var(--forest);
  border: none; border-radius: 3px; cursor: pointer;
  font-weight: 700; transition: all .25s;
}
.btn-lime:hover {
  background: #9FE882;
  box-shadow: 0 6px 30px var(--lime-glow);
  transform: translateY(-2px);
}
.btn-ghost {
  font-family: var(--mono); font-size: .78rem;
  letter-spacing: .12em; text-transform: uppercase;
  padding: .85rem 2rem;
  background: transparent;
  border: 1px solid var(--border); color: var(--muted);
  border-radius: 3px; cursor: pointer; transition: all .25s;
}
.btn-ghost:hover { border-color: var(--lime); color: var(--lime); }

/* Hero stats column */
.hero__stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.hstat {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px; padding: 1.5rem;
  backdrop-filter: blur(8px);
}
.hstat__num {
  font-family: var(--mono); font-size: 2.2rem;
  font-weight: 500; color: var(--lime);
  line-height: 1; margin-bottom: .4rem;
}
.hstat__label { font-size: .75rem; color: var(--muted); letter-spacing: .04em; line-height: 1.4; }
.hstat--wide { grid-column: 1/-1; }
.hstat--wide .hstat__num { font-size: 2.6rem; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 3rem 1.5rem; min-height: auto; }
  .hero__stats { grid-template-columns: 1fr 1fr 1fr; }
  .hstat--wide { grid-column: 1/-1; }
}
@media (max-width: 520px) {
  .hero__stats { grid-template-columns: 1fr 1fr; }
}

/* ── GOAL PICKER ─────────────────────────────── */
.goals-section {
  padding: 6rem 5vw;
  text-align: center;
}
.section-eye {
  font-family: var(--mono); font-size: .7rem;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--lime); margin-bottom: 1rem; opacity: .75;
}
.section-title {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 700; letter-spacing: -.02em;
  line-height: 1.1; margin-bottom: 1rem;
}
.section-sub {
  font-size: 1rem; color: var(--muted);
  line-height: 1.7; max-width: 520px;
  margin: 0 auto 3.5rem;
}
.goals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem; max-width: 1100px; margin: 0 auto;
}
.gcard {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px; padding: 2rem 1.6rem;
  text-align: left; cursor: pointer;
  transition: all .3s; position: relative; overflow: hidden;
  backdrop-filter: blur(8px);
}
.gcard::before {
  content: ''; position: absolute;
  inset: 0; background: linear-gradient(135deg, var(--lime-glow) 0%, transparent 60%);
  opacity: 0; transition: opacity .3s;
}
.gcard:hover, .gcard.active { border-color: var(--lime); }
.gcard:hover::before, .gcard.active::before { opacity: 1; }
.gcard:hover { transform: translateY(-4px); box-shadow: 0 12px 40px var(--lime-glow); }
.gcard.active { box-shadow: 0 0 0 2px var(--lime), 0 12px 40px var(--lime-glow); }
.gcard__icon { font-size: 2.2rem; margin-bottom: 1rem; display: block; }
.gcard__title { font-size: 1.15rem; font-weight: 700; margin-bottom: .5rem; letter-spacing: -.01em; }
.gcard__desc { font-size: .85rem; color: var(--muted); line-height: 1.6; margin-bottom: 1rem; }
.gcard__tag {
  font-family: var(--mono); font-size: .65rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--lime); opacity: .7;
}

/* ── PLAN DISPLAY ────────────────────────────── */
.plan-section {
  padding: 5rem 5vw;
  background: linear-gradient(to bottom, transparent, rgba(26,60,52,.4));
}
.plan-section .section-title { text-align: center; }
.plan-section .section-sub { text-align: center; }
.plan-panel {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 2fr;
  gap: 2rem; align-items: start;
}
.plan-summary {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px; padding: 2rem;
  backdrop-filter: blur(8px); position: sticky; top: 80px;
}
.plan-summary h3 { font-size: 1rem; font-weight: 600; margin-bottom: 1.2rem; color: var(--lime); }
.ps-row { display: flex; justify-content: space-between; align-items: baseline; padding: .7rem 0; border-bottom: 1px solid var(--border); }
.ps-row:last-child { border-bottom: none; }
.ps-label { font-size: .8rem; color: var(--muted); }
.ps-val { font-family: var(--mono); font-size: .9rem; font-weight: 500; color: var(--white); }
.ps-val.green { color: var(--lime); }
.plan-blocks { display: flex; flex-direction: column; gap: 1.2rem; }
.pblock {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px; padding: 1.8rem;
  backdrop-filter: blur(8px);
}
.pblock__head {
  display: flex; align-items: center; gap: 1rem; margin-bottom: 1.2rem;
}
.pblock__icon {
  width: 42px; height: 42px;
  background: var(--lime-glow);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.pblock__name { font-size: 1rem; font-weight: 700; }
.pblock__freq { font-family: var(--mono); font-size: .7rem; color: var(--lime); letter-spacing: .1em; }
.pblock__items { display: flex; flex-direction: column; gap: .6rem; }
.pblock__item { display: flex; justify-content: space-between; align-items: center; font-size: .85rem; color: var(--muted); }
.pblock__item span { font-family: var(--mono); font-size: .78rem; color: var(--white); }

@media (max-width: 900px) {
  .plan-panel { grid-template-columns: 1fr; }
  .plan-summary { position: static; }
}

/* ── NUTRITION SECTION ──────────────────────── */
.nutrition-section { padding: 6rem 5vw; }
.nut-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem; margin-top: 3rem;
}
.ncard {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px; padding: 1.6rem;
  backdrop-filter: blur(8px); text-align: center;
}
.ncard__emoji { font-size: 2rem; margin-bottom: .8rem; display: block; }
.ncard__title { font-size: .92rem; font-weight: 700; margin-bottom: .5rem; }
.ncard__text { font-size: .8rem; color: var(--muted); line-height: 1.65; }
.macros-bar {
  max-width: 700px; margin: 3rem auto 0;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px; padding: 2rem;
}
.macros-bar h4 { font-size: .9rem; font-weight: 600; margin-bottom: 1.2rem; color: var(--lime); }
.macro-row { margin-bottom: 1.2rem; }
.macro-label {
  display: flex; justify-content: space-between;
  font-size: .78rem; color: var(--muted); margin-bottom: .4rem;
}
.macro-label span { font-family: var(--mono); color: var(--white); }
.macro-track {
  height: 6px; background: rgba(127,217,98,.1);
  border-radius: 3px; overflow: hidden;
}
.macro-fill {
  height: 100%; border-radius: 3px;
  background: linear-gradient(to right, var(--lime-dim), var(--lime));
  transition: width 1.2s ease;
}

/* ── SCIENCE SECTION ─────────────────────────── */
.science-section {
  padding: 6rem 5vw;
  background: linear-gradient(to bottom, rgba(26,60,52,.4), transparent);
}
.sci-grid {
  max-width: 1100px; margin: 3rem auto 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.scicard {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px; padding: 2rem;
  backdrop-filter: blur(8px);
}
.scicard__num {
  font-family: var(--mono); font-size: .65rem;
  letter-spacing: .18em; color: var(--lime); opacity: .6;
  margin-bottom: 1rem; display: block;
}
.scicard__title { font-size: 1.05rem; font-weight: 700; margin-bottom: .7rem; }
.scicard__text { font-size: .85rem; color: var(--muted); line-height: 1.7; margin-bottom: 1rem; }
.scicard__source {
  font-family: var(--mono); font-size: .68rem;
  color: var(--lime); letter-spacing: .08em; opacity: .6;
}

/* ── FORM SECTION ───────────────────────────── */
.form-section { padding: 6rem 5vw; text-align: center; }
.form-box {
  max-width: 580px; margin: 3rem auto 0;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 2.5rem;
  backdrop-filter: blur(8px);
}
.form-row { margin-bottom: 1.2rem; text-align: left; }
.form-row label {
  display: block; font-size: .75rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); margin-bottom: .4rem;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: .75rem 1rem;
  background: rgba(13,36,32,.6);
  border: 1px solid var(--border);
  border-radius: 5px; color: var(--white);
  font-family: var(--sans); font-size: .88rem;
  transition: border-color .2s;
  appearance: none;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--lime);
  box-shadow: 0 0 0 3px var(--lime-glow);
}
.form-row select option { background: #1A3C34; }
.form-row textarea { resize: vertical; min-height: 90px; }
.form-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 480px) { .form-2col { grid-template-columns: 1fr; } }
.form-submit {
  width: 100%; margin-top: .8rem;
  font-family: var(--mono); font-size: .82rem;
  letter-spacing: .12em; text-transform: uppercase;
  padding: 1rem;
  background: var(--lime); color: var(--forest);
  border: none; border-radius: 5px;
  cursor: pointer; font-weight: 700; transition: all .25s;
}
.form-submit:hover { background: #9FE882; box-shadow: 0 6px 30px var(--lime-glow); }
#fConfirm {
  display: none; margin-top: 1rem;
  padding: 1rem; border-radius: 6px;
  background: var(--lime-glow);
  border: 1px solid var(--lime);
  font-family: var(--mono); font-size: .8rem;
  color: var(--lime); text-align: center;
}

/* ── FOOTER ──────────────────────────────────── */
footer {
  background: rgba(13,36,32,.95);
  border-top: 1px solid var(--border);
  padding: 4rem 5vw 2.5rem;
}
.ft-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem; max-width: 1100px; margin: 0 auto 3rem;
}
.ft-brand .flogo {
  font-family: var(--mono); font-size: 1rem;
  color: var(--lime); margin-bottom: .8rem; letter-spacing: .12em;
}
.ft-brand p { font-size: .82rem; color: var(--muted); line-height: 1.7; max-width: 240px; }
.ft-col h4 { font-size: .7rem; letter-spacing: .15em; text-transform: uppercase; color: var(--lime); margin-bottom: 1rem; opacity: .7; }
.ft-col ul { list-style: none; display: flex; flex-direction: column; gap: .6rem; }
.ft-col ul li a { font-size: .82rem; color: var(--muted); transition: color .2s; }
.ft-col ul li a:hover { color: var(--lime); }
.ft-bot {
  display: flex; justify-content: space-between; align-items: center;
  max-width: 1100px; margin: 0 auto;
  padding-top: 2rem; border-top: 1px solid var(--border);
  font-size: .75rem; color: var(--muted);
}
.ft-bot a { color: var(--lime); opacity: .6; transition: opacity .2s; }
.ft-bot a:hover { opacity: 1; }
@media (max-width: 768px) {
  .ft-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .ft-brand { grid-column: 1/-1; }
  .ft-bot { flex-direction: column; gap: .8rem; text-align: center; }
}
@media (max-width: 480px) {
  .ft-grid { grid-template-columns: 1fr; }
}

/* ── THEME TOGGLE BUTTON ───────────────────────────── */
.btn-theme {
  border-color: var(--border, rgba(255,255,255,.1));
  color: var(--text-m, #888);
}
.btn-theme:hover { border-color: var(--accent, #888); color: var(--accent, #fff); }
.nav__ham span { background: var(--lime); }
.nav-open .nav__links { background: var(--forest); border-top: 1px solid var(--border); }

/* ── MANUAL THEME TOGGLE — fitness ── */
/* Light: manual override of dark default */
[data-theme="light"] {
  --forest:  #EFF6F3;
  --forest2: #D8EDE5;
  --forest3: #C0E0D3;
  --white:   #0D2420;
  --muted:   rgba(13,36,32,.5);
  --card-bg: rgba(255,255,255,.85);
  --border:  rgba(92,187,63,.2);
  color-scheme: light;
}
/* Dark: re-assert dark values when OS is light but user toggled dark */
[data-theme="dark"] {
  --forest:    #0D2420;
  --forest2:   #1A3C34;
  --forest3:   #224D42;
  --white:     #F2F7F5;
  --muted:     rgba(242,247,245,.5);
  --card-bg:   rgba(26,60,52,.7);
  --border:    rgba(127,217,98,.12);
  color-scheme: dark;
}

/* ── FOOTER colours ── */
.site-footer { background: var(--forest); border-top: 1px solid var(--border); }
.site-footer .ft-brand .ft-logo { color: var(--lime); }
.site-footer .ft-col h4 { color: var(--lime); }
.site-footer a { color: rgba(242,247,245,.5); }
.site-footer a:hover { color: var(--white); }
.site-footer .ft-bot { color: rgba(242,247,245,.4); border-top: 1px solid var(--border); }

[data-theme="light"] .nav{background:rgba(239,246,243,.92)}
[data-theme="light"] .nav__logo{color:var(--lime)}
[data-theme="light"] h1,[data-theme="light"] h2{color:var(--white)}
[data-theme="light"] .hero{background:var(--forest)}