/* ==========================================================
   Grow Log Pro: shared look for every page.
   All colours, fonts and corner sizes live in the :root block
   below. Change them here and the whole site follows.
   ========================================================== */

:root{
  color-scheme:light;

  /* Colours: light theme */
  --bg:#FAFAF8;          /* page background, a barely warm white */
  --surface:#FFFFFF;     /* cards and forms */
  --soft:#F1F0EC;        /* gentle grey panel */
  --honey-soft:#F7F2E6;  /* pale gold panel */
  --berry-soft:#ECEBE7;  /* flower stage panel */
  --ink:#131313;         /* main text, near black */
  --muted:#6B6862;       /* secondary text */
  --line:#E5E3DE;        /* quiet dividers */
  --primary:#131313;     /* black: buttons and links */
  --on-primary:#FFFFFF;
  --honey:#A8873A;       /* gold accent, used sparingly */
  --berry:#3A3936;       /* flower stage */
  --good:#2F7A50; --warn:#A8700F; --bad:#B2423F;
  --shadow:0 1px 2px rgb(0 0 0 / .04), 0 12px 32px -12px rgb(0 0 0 / .14);

  /* Fonts */
  --f-display:"Young Serif", Georgia, "Times New Roman", serif;
  --f-body:"Figtree", "Segoe UI", system-ui, -apple-system, sans-serif;

  /* Type sizes */
  --t-sm:.875rem; --t-base:1.0625rem; --t-lg:1.25rem; --t-xl:1.75rem; --t-2xl:2.5rem; --t-hero:clamp(2.5rem,5.6vw,4.25rem);

  /* Corners */
  --r-sm:12px; --r:20px; --r-lg:32px; --r-pill:999px;
}

/* Dark theme: follows the device setting unless the visitor picked light. */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#0D0D0D; --surface:#171717; --soft:#202020; --honey-soft:#251F12; --berry-soft:#232323;
    --ink:#F3F1EC; --muted:#A39F98; --line:#2B2B2B;
    --primary:#F3F1EC; --on-primary:#111111; --honey:#D4B46C; --berry:#D8D4CC;
    --good:#7FD0A0; --warn:#E6B65A; --bad:#EE8B86;
    --shadow:0 1px 2px rgb(0 0 0 / .3), 0 16px 40px -16px rgb(0 0 0 / .6);
  }
}
/* Dark theme: when the visitor picked dark with the switch. */
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#0D0D0D; --surface:#171717; --soft:#202020; --honey-soft:#251F12; --berry-soft:#232323;
  --ink:#F3F1EC; --muted:#A39F98; --line:#2B2B2B;
  --primary:#F3F1EC; --on-primary:#111111; --honey:#D4B46C; --berry:#D8D4CC;
  --good:#7FD0A0; --warn:#E6B65A; --bad:#EE8B86;
  --shadow:0 1px 2px rgb(0 0 0 / .3), 0 16px 40px -16px rgb(0 0 0 / .6);
}

/* ---------- base ---------- */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:var(--t-base);line-height:1.65;padding-inline:clamp(16px,4vw,40px);transition:background-color .25s,color .25s}
img{max-width:100%}
[hidden]{display:none!important}
.wrap{max-width:1140px;margin-inline:auto}
h1,h2,h3{font-family:var(--f-display);font-weight:400;line-height:1.15;text-wrap:balance;margin:0;letter-spacing:-.005em}
p{margin:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:var(--r-sm)}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.eyebrow{font-size:var(--t-sm);font-weight:600;color:var(--honey)}
.small{font-size:var(--t-sm)}

/* ---------- header / menu ---------- */
.site-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:20px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--f-display);font-size:1.3rem;text-decoration:none;white-space:nowrap}
.brand-logo{width:40px;height:40px;flex:none;transition:transform .4s cubic-bezier(.3,1.4,.5,1)}
.brand:hover .brand-logo{transform:rotate(-8deg)}
.brand em{font-style:normal;color:var(--honey)}
.nav-links{display:flex;gap:6px;align-items:center;font-size:var(--t-sm);font-weight:500}
.nav-links > a:not(.btn){text-decoration:none;color:var(--muted);padding:8px 12px;border-radius:var(--r-pill)}
.nav-links > a:not(.btn):hover{color:var(--ink);background:var(--soft)}
@media (max-width:760px){.nav-links > a.hide-sm{display:none}}
.nav-links > a{white-space:nowrap}
@media (max-width:600px){
  .site-nav{gap:8px;padding-block:14px}
  .brand{gap:8px;font-size:1.12rem}
  .brand-logo{width:34px;height:34px}
  .nav-links{gap:2px}
  .nav-links > a:not(.btn){padding:8px}
  .nav-links .btn.sm{padding:9px 14px}
  .theme-toggle{width:36px;height:36px}
}
@media (max-width:350px){.brand span{display:none}}

.theme-toggle{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;border:0;background:transparent;color:var(--muted);cursor:pointer}
.theme-toggle:hover{background:var(--soft);color:var(--ink)}
.theme-toggle svg{width:20px;height:20px}
.theme-toggle .moon{display:none}
.unit-toggle{display:inline-grid;place-items:center;min-width:40px;height:40px;padding:0 6px;border-radius:var(--r-pill);border:0;background:transparent;color:var(--muted);font:600 .95rem/1 var(--f-body);cursor:pointer}
.unit-toggle:hover{background:var(--soft);color:var(--ink)}
@media (max-width:600px){.unit-toggle{min-width:36px;height:36px}}
:root[data-theme="dark"] .theme-toggle .sun{display:none}
:root[data-theme="dark"] .theme-toggle .moon{display:block}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .theme-toggle .sun{display:none}
  :root:not([data-theme="light"]) .theme-toggle .moon{display:block}
}

/* ---------- lights on / lights off switch (js/theme.js) ---------- */
.theme-toggle.lights{display:inline-flex;align-items:center;gap:8px;width:auto;height:40px;padding:0 14px 0 6px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);color:var(--ink);font:600 .82rem/1 var(--f-body);white-space:nowrap}
.theme-toggle.lights:hover{background:var(--soft)}
.lights .bulb{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--honey-soft);color:var(--honey);transition:background-color .3s,box-shadow .3s,color .3s}
.lights .bulb svg{width:16px;height:16px}
:root:not([data-theme="dark"]) .lights .bulb{box-shadow:0 0 0 4px color-mix(in srgb,var(--honey) 18%,transparent),0 0 18px 2px color-mix(in srgb,var(--honey) 55%,transparent)}
:root[data-theme="dark"] .lights .bulb{background:var(--soft);color:var(--muted);box-shadow:none}
@media (max-width:600px){.theme-toggle.lights{width:40px;padding:0;justify-content:center}.lights-text{display:none}}
html.flick body{animation:flick .45s steps(1) 1}
@keyframes flick{0%{opacity:1}20%{opacity:.55}35%{opacity:1}55%{opacity:.75}70%{opacity:1}}

/* ---------- a fine film grain over every page ---------- */
body::after{content:"";position:fixed;inset:0;z-index:40;pointer-events:none;opacity:.07;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
:root[data-theme="dark"] body::after{mix-blend-mode:screen;opacity:.05}
@media print{body::after{display:none}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;font:600 var(--t-base)/1 var(--f-body);padding:14px 24px;border-radius:var(--r-pill);border:1px solid transparent;background:var(--primary);color:var(--on-primary);text-decoration:none;cursor:pointer;transition:transform .15s, box-shadow .15s, background-color .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px -10px rgb(0 0 0 / .45)}
.btn:disabled{opacity:.55;cursor:default;transform:none;box-shadow:none}
.btn.soft{background:var(--soft);color:var(--ink)}
.btn.soft:hover{box-shadow:none;background:color-mix(in srgb,var(--soft) 80%,var(--primary))}
.btn.quiet{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.quiet:hover{box-shadow:none;background:var(--soft)}
.btn.sm{padding:10px 18px;font-size:var(--t-sm)}
.btn.danger{background:transparent;color:var(--bad);border-color:color-mix(in srgb,var(--bad) 40%,transparent)}
.btn.danger:hover{box-shadow:none;background:color-mix(in srgb,var(--bad) 10%,transparent)}

/* ---------- form fields ---------- */
input,select,textarea{font:inherit;font-size:var(--t-base);color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;width:100%;min-width:0;transition:border-color .15s, box-shadow .15s}
textarea{resize:vertical;min-height:96px}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 22%,transparent)}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:600;font-size:var(--t-sm)}
.field small{color:var(--muted);font-size:var(--t-sm)}

/* ---------- footer ---------- */
.site-footer{margin-top:24px;padding-block:32px 44px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 24px;font-size:var(--t-sm);color:var(--muted)}
.footer-links{display:flex;flex-wrap:wrap;gap:6px 18px}
.footer-links a{text-decoration:none}
.footer-links a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--honey);text-underline-offset:3px}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}