/* ════════════════════════════════════════════════════════════
   MEDENT — Core system
   Tokens · reset · type · buttons · nav · footer · utilities
   Editorial-cinematic direction. Per-line accent theming via
   html[data-line] → --accent / --accent-soft / --accent-deep.
   ════════════════════════════════════════════════════════════ */

/* ─── Fonts (self-hosted) ─── */
@font-face{font-family:'Poppins';font-weight:600;font-style:normal;font-display:swap;src:url('../assets/fonts/poppins-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Poppins';font-weight:700;font-style:normal;font-display:swap;src:url('../assets/fonts/poppins-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'Poppins';font-weight:800;font-style:normal;font-display:swap;src:url('../assets/fonts/poppins-latin-800-normal.woff2') format('woff2')}
@font-face{font-family:'Poppins';font-weight:700;font-style:italic;font-display:swap;src:url('../assets/fonts/poppins-latin-700-italic.woff2') format('woff2')}
@font-face{font-family:'Inter';font-weight:400;font-style:normal;font-display:swap;src:url('../assets/fonts/inter-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'Inter';font-weight:500;font-style:normal;font-display:swap;src:url('../assets/fonts/inter-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Inter';font-weight:600;font-style:normal;font-display:swap;src:url('../assets/fonts/inter-latin-600-normal.woff2') format('woff2')}

/* ─── Tokens ─── */
:root{
  /* brand */
  --navy:#1B3A5C; --navy-deep:#10243C; --red:#D32E2E; --teal:#4BA0A6;
  --ink:#101B24; --ink-soft:#48586395; --ink-2:#485863; --ink-3:#8595A0;
  --paper:#FFFFFF; --canvas:#F4F2EF; --hair:#E5E1DC; --hair-dark:rgba(255,255,255,.14);

  /* line accents (defaults = brand) */
  --accent:var(--navy); --accent-deep:var(--navy-deep); --accent-soft:#EDF2F8; --accent-ink:#fff;

  /* type */
  --fd:'Poppins',system-ui,sans-serif;
  --fb:'Inter',system-ui,sans-serif;
  --fs-mega:clamp(3.2rem,9vw,8.5rem);
  --fs-h1:clamp(2.6rem,5.6vw,5.2rem);
  --fs-h2:clamp(2rem,3.6vw,3.2rem);
  --fs-h3:clamp(1.25rem,1.8vw,1.6rem);
  --fs-ghost:clamp(6rem,22vw,24rem);

  /* space */
  --s1:.25rem;--s2:.5rem;--s3:.75rem;--s4:1rem;--s5:1.5rem;--s6:2rem;--s7:3rem;--s8:4.5rem;--s9:6.5rem;--s10:9rem;

  /* radius / shadow / motion */
  --r-s:8px;--r-m:14px;--r-l:22px;--r-xl:32px;
  --shadow:0 6px 24px rgba(16,27,36,.08);
  --shadow-lg:0 24px 64px rgba(16,27,36,.16);
  --ease:cubic-bezier(.22,.9,.3,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}
@media(max-width:640px){:root{--s8:3.25rem;--s9:4.5rem;--s10:6rem}}
html[data-line="charcoal"]{--accent:#141414;--accent-deep:#000;--accent-soft:#F1F0EE;--accent-ink:#fff}
html[data-line="art"]{--accent:#1D4ED8;--accent-deep:#12308F;--accent-soft:#EAF1FB;--accent-ink:#fff}
html[data-line="sensitive"]{--accent:#D32E2E;--accent-deep:#A01F1F;--accent-soft:#FBEEEC;--accent-ink:#fff}
html[data-line="natural"]{--accent:#4E9F27;--accent-deep:#37731B;--accent-soft:#EFF7E9;--accent-ink:#fff}

/* ─── Reset / base ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:var(--fb);font-size:1rem;line-height:1.65;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--navy);color:#fff}

h1,h2,h3,h4{font-family:var(--fd);color:var(--navy);line-height:1.05;letter-spacing:-.025em;font-weight:800}
h1{font-size:var(--fs-h1)}h2{font-size:var(--fs-h2)}h3{font-size:var(--fs-h3)}
h4{font-size:1.05rem;font-weight:700;letter-spacing:-.01em}
p{color:var(--ink-2)}
.lede{font-size:clamp(1.05rem,1.5vw,1.3rem);line-height:1.6;max-width:56ch;color:var(--ink-2)}

/* ─── Layout ─── */
.container{width:min(1140px,92vw);margin-inline:auto}
.container-wide{width:min(1420px,94vw);margin-inline:auto}
section{padding-block:var(--s9)}
.sec-tight{padding-block:var(--s8)}
.bg-canvas{background:var(--canvas)}
.bg-navy{background:var(--navy-deep)}
.text-center{text-align:center}
.mt0{margin-top:0}

/* eyebrow + markers — editorial micro-type */
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-family:var(--fb);font-weight:600;font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}
.eyebrow::before{content:"";width:34px;height:1.5px;background:var(--accent)}
.eyebrow--center{justify-content:center}.eyebrow--center::after{content:"";width:34px;height:1.5px;background:var(--accent)}
.marker{font-family:var(--fb);font-weight:600;font-size:.8rem;letter-spacing:.14em;color:var(--accent)}
.sec-head{max-width:640px;margin-bottom:var(--s7)}
.sec-head .eyebrow{margin-bottom:var(--s4)}
.sec-head p:not(.eyebrow){margin-top:var(--s4)}
.sec-head--center{margin-inline:auto;text-align:center}

/* ─── Buttons ─── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--fd);font-weight:700;font-size:.92rem;letter-spacing:.01em;padding:.9em 1.9em;border-radius:100px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s,color .3s,border-color .3s;will-change:transform}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-lg{padding:1.05em 2.3em;font-size:.98rem}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 10px 28px -8px var(--accent)}
.btn-primary:hover{background:var(--accent-deep);box-shadow:0 16px 36px -10px var(--accent)}
.btn-outline{border:1.5px solid var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-white{background:#fff;color:var(--navy);box-shadow:var(--shadow)}
.btn-white:hover{box-shadow:var(--shadow-lg)}
.btn-ghost-white{border:1.5px solid rgba(255,255,255,.4);color:#fff}
.btn-ghost-white:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.pill{display:inline-block;font-family:var(--fb);font-weight:600;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 22%,transparent);padding:.45em 1.1em;border-radius:100px}

/* icons */
.ico{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}

/* ─── Nav ─── */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .4s var(--ease),box-shadow .4s var(--ease),transform .4s var(--ease)}
.nav--hidden{transform:translateY(-110%)}
.nav--scrolled{background:rgba(255,255,255,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 1px 0 var(--hair),0 8px 32px rgba(16,27,36,.06)}
.nav__row{display:flex;align-items:center;justify-content:space-between;gap:var(--s6);height:84px}
.nav__logo img{width:158px;height:auto}
.nav__links{display:flex;align-items:center;gap:var(--s5)}
.nav__link{position:relative;font-family:var(--fd);font-weight:600;font-size:1.06rem;color:var(--navy);padding-block:8px;display:inline-flex;align-items:center;gap:6px}
.nav__link::after{content:"";position:absolute;left:0;bottom:2px;width:100%;height:2px;background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease)}
.nav__link:hover::after,.nav__link[aria-current="page"]::after{transform:scaleX(1);transform-origin:left}
.nav__link svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;transition:transform .3s}
.nav__dd{position:relative}
.nav__dd:hover .nav__dd-toggle svg{transform:rotate(180deg)}
.nav__dd-menu{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);min-width:280px;background:#fff;border:1px solid var(--hair);border-radius:var(--r-l);box-shadow:var(--shadow-lg);padding:var(--s3);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s}
.nav__dd:hover .nav__dd-menu,.nav__dd:focus-within .nav__dd-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav__dd-item{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:var(--r-m);transition:background .25s}
.nav__dd-item:hover{background:var(--canvas)}
.nav__dd-dot{width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-family:var(--fd);font-weight:800;font-size:.9rem;color:#fff}
.nav__dd-dot--charcoal{background:#141414}
.nav__dd-dot--art{background:#1D4ED8}
.nav__dd-dot--sensitive{background:#D32E2E}
.nav__dd-dot--natural{background:#4E9F27}
.nav__dd-item strong{display:block;font-family:var(--fd);font-weight:700;font-size:.88rem;color:var(--navy);line-height:1.3}
.nav__dd-item small{font-size:.76rem;color:var(--ink-3)}
.nav__burger{display:none;flex-direction:column;gap:5px;padding:8px}
.nav__burger span{width:24px;height:2px;background:var(--navy);border-radius:2px;transition:transform .3s var(--ease),opacity .3s}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* mobile drawer */
.nav__mobile{position:fixed;inset:0;top:84px;z-index:99;background:rgba(255,255,255,.98);backdrop-filter:blur(20px);display:flex;flex-direction:column;gap:var(--s2);padding:var(--s7) 8vw;transform:translateX(100%);transition:transform .45s var(--ease);overflow-y:auto}
.nav__mobile.is-open{transform:translateX(0)}
.nav__mobile a{font-family:var(--fd);font-weight:700;font-size:1.5rem;color:var(--navy);padding-block:10px;border-bottom:1px solid var(--hair)}
.nav__mobile a.nav__mobile-sub{font-size:1.05rem;font-weight:600;color:var(--ink-2);padding-left:var(--s5)}
.nav__mobile .btn{margin-top:var(--s5);border-bottom:0;font-size:1rem;color:var(--accent-ink)}
@media(max-width:960px){.nav__links,.nav__right{display:none}.nav__burger{display:flex}}

/* ─── Footer ─── */
.footer{position:relative;background:var(--navy-deep);color:rgba(255,255,255,.72);padding:var(--s9) 0 var(--s6);overflow:hidden}
.footer__ghost{position:absolute;right:-2vw;bottom:-9vw;font-family:var(--fd);font-weight:800;font-style:italic;font-size:var(--fs-ghost);line-height:1;letter-spacing:-.04em;color:rgba(255,255,255,.035);pointer-events:none;user-select:none;white-space:nowrap}
.footer__grid{position:relative;display:grid;gap:var(--s7);grid-template-columns:1.4fr 1fr 1fr 1fr;padding-bottom:var(--s7);border-bottom:1px solid var(--hair-dark)}
.footer__logo img{width:200px;max-width:60vw;height:auto;filter:brightness(0) invert(1);opacity:.96}
.footer__contact{display:flex;flex-direction:column;gap:8px;margin-top:var(--s4);font-style:normal;font-size:.92rem;line-height:1.5;color:rgba(255,255,255,.62)}
.footer__contact a{color:rgba(255,255,255,.62);transition:color .25s}
.footer__contact a:hover{color:#fff}
.footer__social{display:flex;gap:14px;margin-top:6px}
.footer__social a{display:inline-flex;align-items:center;justify-content:center}
.footer__social svg{display:block}
.footer h4{color:#fff;font-size:.8rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;margin-bottom:var(--s4)}
.footer ul{display:flex;flex-direction:column;gap:10px}
.footer ul a{font-size:.92rem;color:rgba(255,255,255,.62);transition:color .25s}
.footer ul a:hover{color:#fff}
.footer__bottom{position:relative;display:flex;justify-content:space-between;gap:var(--s4);flex-wrap:wrap;padding-top:var(--s5);font-size:.8rem;color:rgba(255,255,255,.4)}
@media(max-width:860px){.footer__grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer__grid{grid-template-columns:1fr}}

/* ─── Scroll-effect primitives (JS enhances; safe without) ─── */
.reveal{opacity:0;transform:translateY(26px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.reveal-line{display:block;overflow:hidden}
.reveal-line>span{display:block;transform:translateY(110%)}
.no-js .reveal,.no-motion .reveal{opacity:1;transform:none}
.no-js .reveal-line>span,.no-motion .reveal-line>span{transform:none}
[data-float]{will-change:transform}

/* idle bob — pairs with scroll parallax on floating products */
@keyframes idle-bob{0%,100%{translate:0 0}50%{translate:0 -12px}}
.float-bob{animation:idle-bob 5.5s ease-in-out infinite}
@media(prefers-reduced-motion:reduce){.float-bob{animation:none}}

/* ─── Where-to-buy strip (shared) ─── */
.buy{position:relative}
.buy__grid{display:grid;gap:var(--s5);grid-template-columns:repeat(3,1fr);margin-top:var(--s7)}
.buy__card{display:flex;flex-direction:column;align-items:flex-start;gap:var(--s3);padding:var(--s6);border-radius:var(--r-l);background:#fff;border:1px solid var(--hair);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s}
.buy__card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--accent) 30%,transparent)}
.buy__icon{width:54px;height:54px;border-radius:16px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:var(--s2)}
.buy__card h4{font-size:1.08rem}
.buy__card p{font-size:.9rem;flex-grow:1}
.buy__go{display:inline-flex;align-items:center;gap:8px;font-family:var(--fd);font-weight:700;font-size:.88rem;color:var(--accent);transition:gap .25s var(--ease)}
.buy__card:hover .buy__go{gap:14px}
/* Online box — 3 shop icons */
.buy__shops{display:flex;gap:var(--s3);margin-top:auto;padding-top:var(--s2);flex-wrap:wrap}
.buy__shop{width:66px;height:66px;border-radius:14px;border:1px solid var(--hair);background:#fff;display:flex;align-items:center;justify-content:center;padding:7px;overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s}
.buy__shop:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--accent) 32%,transparent)}
.buy__shop img{width:100%;height:100%;object-fit:contain;display:block}
@media(max-width:760px){.buy__grid{grid-template-columns:1fr}}

/* generic link w/ arrow */
.link-arrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--fd);font-weight:700;font-size:.95rem;color:var(--accent);transition:gap .3s var(--ease)}
.link-arrow:hover{gap:16px}

/* skip link */
.skip{position:absolute;left:-9999px;top:0;z-index:999;background:var(--navy);color:#fff;padding:12px 20px;border-radius:0 0 12px 0}
.skip:focus{left:0}

/* ═══ FAQ accordion (shared: product pages + guides) ═══ */
.pfaq{background:var(--accent-soft)}
.pfaq__list{max-width:820px;margin-inline:auto;margin-top:var(--s6)}
.pfaq__item{border-bottom:1px solid var(--hair)}
.pfaq__item[open]{background:#fff}
.pfaq__q{list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:var(--s4);padding:var(--s4) var(--s3);font-family:var(--fd);font-weight:600;font-size:1.02rem;line-height:1.4;color:var(--ink)}
.pfaq__q::-webkit-details-marker{display:none}
.pfaq__q::after{content:"+";flex:none;font-size:1.5rem;line-height:1;color:var(--accent-deep);transition:transform .25s}
.pfaq__item[open] .pfaq__q::after{transform:rotate(45deg)}
.pfaq__a{padding:0 var(--s3) var(--s4);color:var(--ink-2);line-height:1.65;max-width:64ch}
.pfaq__q:hover{color:var(--accent-deep)}
.pfaq__more{text-align:center;margin-top:var(--s6)}
.pfaq__more a{font-family:var(--fb);font-weight:600;font-size:.95rem;color:var(--accent-deep);display:inline-flex;align-items:center;gap:8px}
.pfaq__more a:hover{text-decoration:underline}