/* =====================================================================
   LỐI MÒN TRONG RỪNG — dark cinematic forest blog
   LAYOUT SCHEME: vertical side-rail nav (fixed left) + single-column
   full-bleed sections; content max-width 1120px, alternating dark/light
   bands separated by SVG waves. Modifier: editorial. Theme: dark.
   Cards 2-per-row · align left · headings gradient-text · radii 12–16px.
   Fonts: Playfair Display (display, VI-safe; заменил Cinzel и Spectral — нет вьет. диакритики) / Raleway (body). Accents: emerald #12d997,
   warm fog amber #c8b273.
   ===================================================================== */

:root{
  --bg:#12140f;          /* deep near-black forest */
  --bg-2:#101510;        /* darker band */
  --panel:#182016;       /* raised dark panel */
  --panel-2:#1e271b;
  --light:#e8eee0;       /* light band bg */
  --light-2:#dde5d2;
  --ink:#1a2016;         /* text on light */
  --ink-soft:#3f4b36;
  --text:#d8e0cf;        /* misty sage on dark */
  --muted:#93a389;       /* muted sage */
  --accent:#12d997;      /* emerald */
  --accent-2:#c8b273;    /* warm fog amber */
  --line:rgba(216,224,207,.14);
  --line-ink:rgba(26,32,22,.14);
  --r:14px;
  --r-sm:12px;
  --sp:24px;
  --wrap:1120px;
  --rail:96px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Raleway',system-ui,sans-serif;
  background:var(--bg);color:var(--text);
  font-size:17px;line-height:1.7;font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,.footer__brand{font-family:'Playfair Display',serif;line-height:1.2;font-weight:600;letter-spacing:.01em}
h1{font-size:clamp(2.1rem,5.2vw,3.7rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.7rem)}
h3{font-size:1.22rem;font-weight:600}
p{max-width:66ch}

.grad{
  background:linear-gradient(100deg,var(--accent) 0%,#7fe6c6 40%,var(--accent-2) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:#04140d;padding:10px 16px;z-index:200;border-radius:0 0 var(--r-sm) 0}
.skip-link:focus{left:0}

/* ---------- layout wrap ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(20px,5vw,40px)}
.section{padding:clamp(64px,10vw,112px) 0;padding-left:var(--rail);position:relative}
@media(max-width:900px){.section{padding-left:0}}
.section--dark{background:var(--bg)}
.section--light{background:var(--light);color:var(--ink)}
.stats{background:var(--bg-2)}

.eyebrow{font-family:'Raleway';text-transform:uppercase;letter-spacing:.22em;
  font-size:.74rem;font-weight:600;color:var(--accent);margin-bottom:14px}
.eyebrow--ink{color:#0e7a55}
.section-lead{color:var(--muted);font-size:1.06rem;margin:18px 0 40px;max-width:60ch}
.section-lead--ink{color:var(--ink-soft)}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-family:'Raleway';font-weight:600;font-size:.98rem;
  padding:14px 26px;border-radius:var(--r-sm);border:1px solid transparent;
  cursor:pointer;transition:transform .25s var(--ease),background .25s,color .25s,border-color .25s}
.btn--solid{background:var(--accent);color:#04140d}
.btn--solid:hover{background:#3ee7ae;transform:translateY(-2px)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- HEADER: vertical side rail ---------- */
.rail{position:fixed;left:0;top:0;height:100vh;width:var(--rail);z-index:100;
  background:rgba(16,21,16,.82);backdrop-filter:blur(8px);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;align-items:center;padding:22px 8px;gap:18px}
.rail__brand{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
.rail__mark{width:40px;height:40px;border-radius:10px;background:var(--accent);color:#04140d;
  font-family:'Playfair Display';font-weight:700;display:grid;place-items:center;font-size:1.15rem}
.rail__name{font-family:'Playfair Display';font-size:.66rem;letter-spacing:.12em;color:var(--muted);text-transform:uppercase}
.rail__nav{margin-top:auto;margin-bottom:auto;display:flex;flex-direction:column;gap:22px;
  writing-mode:vertical-rl;transform:rotate(180deg)}
.rail__nav a{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  transition:color .2s}
.rail__nav a:hover{color:var(--accent)}
.rail__cta{color:var(--accent-2)!important;font-weight:700}
.rail__toggle{display:none}

@media(max-width:900px){
  .rail{flex-direction:row;height:auto;width:100%;bottom:auto;padding:12px 18px;
    justify-content:space-between;border-right:none;border-bottom:1px solid var(--line)}
  .rail__brand{flex-direction:row;gap:10px}
  .rail__name{font-size:.7rem}
  .rail__nav{writing-mode:horizontal-tb;transform:none;margin:0;position:absolute;top:100%;left:0;right:0;
    background:rgba(16,21,16,.98);flex-direction:column;gap:0;padding:8px 18px 18px;
    border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
  .rail__nav.open{max-height:420px}
  .rail__nav a{padding:12px 0;border-bottom:1px solid var(--line);letter-spacing:.06em;font-size:.9rem}
  .rail__toggle{display:flex;flex-direction:column;gap:5px;background:none;border:none;padding:8px;cursor:pointer}
  .rail__toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}
  .rail__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .rail__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .rail__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  body{padding-top:0}
}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:85vh;display:flex;align-items:center;
  padding:120px clamp(20px,6vw,64px) 120px calc(var(--rail) + clamp(20px,4vw,56px));
  overflow:hidden}
@media(max-width:900px){.hero{padding:100px 22px 90px;min-height:88vh}}
.hero__photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero__scrim{position:absolute;inset:0;z-index:1;
  background:linear-gradient(105deg,rgba(10,14,9,.92) 0%,rgba(12,20,13,.72) 45%,rgba(12,20,13,.32) 100%)}
.hero__glass{position:relative;z-index:3;max-width:640px;
  background:rgba(16,22,15,.44);border:1px solid rgba(216,224,207,.18);
  backdrop-filter:blur(10px);border-radius:var(--r);padding:clamp(28px,4vw,44px)}
.hero__kicker{color:var(--accent);text-transform:uppercase;letter-spacing:.2em;font-size:.76rem;font-weight:600;margin-bottom:16px}
.hero__lead{color:#e5ecdc;margin:20px 0 28px;font-size:1.08rem}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.scrolldown{position:absolute;left:50%;bottom:26px;z-index:3;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--text)}
.scrolldown__txt{font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.scrolldown__arrow{font-size:1.2rem;animation:bob 1.8s var(--ease) infinite}
@keyframes bob{0%,100%{transform:translateY(0);opacity:.6}50%{transform:translateY(7px);opacity:1}}

/* hero animation #152 Tide Glass — forest fog variant (transform/opacity) */
.hero__anim{position:absolute;inset:0;z-index:2;pointer-events:none;overflow:hidden}
.fog{position:absolute;border-radius:50%;filter:blur(48px);opacity:.5;
  background:radial-gradient(circle,rgba(200,178,115,.28),transparent 70%);mix-blend-mode:screen}
.fog--a{width:60vw;height:40vh;top:8%;left:-10%;animation:drift 26s var(--ease) infinite}
.fog--b{width:50vw;height:36vh;bottom:6%;right:-8%;
  background:radial-gradient(circle,rgba(18,217,151,.22),transparent 70%);animation:drift 32s var(--ease) infinite reverse}
@keyframes drift{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(6%,4%,0) scale(1.14)}}
.mote{position:absolute;width:5px;height:5px;border-radius:50%;background:rgba(232,238,224,.85);
  filter:blur(.4px);opacity:0;animation:rise 14s linear infinite}
.m1{left:22%;animation-delay:0s}.m2{left:54%;animation-delay:5s}.m3{left:78%;animation-delay:9s}
@keyframes rise{0%{transform:translateY(90vh) scale(.6);opacity:0}
  12%{opacity:.9}88%{opacity:.7}100%{transform:translateY(-6vh) scale(1);opacity:0}}
.pass{position:absolute;top:35%;left:-30%;width:34%;height:52%;
  background:linear-gradient(90deg,transparent,rgba(8,12,7,.5),transparent);
  filter:blur(24px);animation:pass 17s var(--ease) infinite}
@keyframes pass{0%{transform:translateX(0)}60%,100%{transform:translateX(360%)}}

/* ---------- waves ---------- */
.wave{line-height:0}
.wave svg{width:100%;height:64px;display:block}
.wave--down svg path{fill:var(--bg)}
.wave--down{background:var(--light)}
.wave--up svg path{fill:var(--light)}
.wave--up{background:var(--bg)}

/* ---------- ZIGZAG rows ---------- */
.zz{display:grid;grid-template-columns:0.9fr 1.1fr;gap:clamp(24px,4vw,56px);align-items:center;
  margin-top:56px}
.zz--rev .zz__frame{order:2}
.zz__frame{border:1px solid var(--line);border-radius:var(--r);padding:12px;background:var(--panel)}
.zz__frame img{border-radius:8px;aspect-ratio:4/5;object-fit:cover;width:100%}
.zz--rev .zz__frame img{aspect-ratio:16/10}
.zz__tag{display:inline-block;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent-2);border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:14px}
.zz__text h3{font-size:1.5rem;margin-bottom:12px}
.zz__meta{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:8px}
.zz__meta li{padding-left:22px;position:relative;color:var(--muted);font-size:.96rem}
.zz__meta li::before{content:"↳";position:absolute;left:0;color:var(--accent)}
@media(max-width:760px){.zz{grid-template-columns:1fr}.zz--rev .zz__frame{order:0}}

/* ---------- COMPARE table ---------- */
.cmp{margin-top:44px;border:1px solid var(--line-ink);border-radius:var(--r);overflow:hidden;background:#fff}
.cmp__head,.cmp__row{display:grid;grid-template-columns:1fr 1.3fr 1.3fr}
.cmp__head{background:var(--ink);color:var(--light);font-family:'Playfair Display';font-size:.92rem}
.cmp__head span,.cmp__row span{padding:16px 18px;font-size:.98rem}
.cmp__row{border-top:1px solid var(--line-ink)}
.cmp__row:nth-child(even){background:var(--light-2)}
.cmp__row [role="rowheader"]{font-weight:600;color:var(--ink)}
.cmp__row span:nth-child(2){color:var(--ink-soft)}
.cmp__accent{color:#0b6b4a!important;font-weight:600;background:rgba(18,217,151,.08)}
.cmp__head .cmp__accent{color:#3ee7ae!important;background:rgba(18,217,151,.14)}
@media(max-width:700px){
  .cmp__head{display:none}
  .cmp__row{grid-template-columns:1fr}
  .cmp__row span{padding:10px 16px}
  .cmp__row [role="rowheader"]{background:var(--ink);color:var(--light);font-family:'Playfair Display'}
}

/* ---------- STATS badge cloud ---------- */
.badges{display:flex;flex-wrap:wrap;gap:16px;margin-top:36px;max-width:940px}
.badge{background:var(--panel);border:1px solid var(--line);border-radius:999px;
  padding:14px 24px;font-size:.98rem;color:var(--text);display:flex;align-items:baseline;gap:10px}
.badge b{font-family:'Playfair Display';color:var(--accent);font-size:1.5rem;line-height:1}
.badge--big{background:var(--panel-2);border-color:rgba(18,217,151,.3)}
.badge--big b{color:var(--accent-2)}
.stats__note{color:var(--muted);font-size:.85rem;margin-top:26px}

/* ---------- TIMELINE compact rows ---------- */
.tl{list-style:none;margin-top:40px;max-width:760px}
.tl__row{display:grid;grid-template-columns:96px 1fr;gap:20px;padding:20px 0;border-top:1px solid var(--line-ink)}
.tl__row:first-child{border-top:none}
.tl__mark{font-family:'Playfair Display';color:#0e7a55;font-size:1.05rem;font-weight:700}
.tl__row h3{color:var(--ink);margin-bottom:4px}
.tl__row p{color:var(--ink-soft);font-size:.98rem}
@media(max-width:560px){.tl__row{grid-template-columns:1fr;gap:6px}}

/* ---------- GALLERY polaroid scatter ---------- */
.polaroids{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.pol{background:#f4f6ee;padding:10px 10px 16px;border-radius:6px;
  box-shadow:0 18px 40px rgba(0,0,0,.45);transition:transform .4s var(--ease)}
.pol img{border-radius:3px;aspect-ratio:3/4;object-fit:cover;width:100%}
.pol figcaption{color:#2a3423;font-size:.82rem;text-align:center;padding-top:10px;font-family:'Playfair Display';letter-spacing:.02em}
.pol--1{transform:rotate(-3deg)}
.pol--2{transform:rotate(2deg) translateY(14px)}
.pol--3{transform:rotate(-1.5deg) translateY(-8px)}
.pol--3 img{aspect-ratio:4/3}
.pol--4{transform:rotate(3deg)}
.pol:hover{transform:rotate(0) translateY(-6px) scale(1.02);z-index:2}
@media(max-width:820px){.polaroids{grid-template-columns:repeat(2,1fr)}.pol{transform:none!important}}

/* ---------- TESTIMONIALS carousel ---------- */
.carousel{margin-top:40px;max-width:820px}
.carousel__track{position:relative;min-height:200px}
.tm{position:absolute;inset:0;opacity:0;transform:scale(.97);transition:opacity .5s var(--ease),transform .5s var(--ease);
  padding:34px 36px;background:#fff;border:1px solid var(--line-ink);border-radius:var(--r);pointer-events:none}
.tm[aria-hidden="false"]{opacity:1;transform:scale(1);position:relative;pointer-events:auto}
.tm p{font-size:1.16rem;color:var(--ink);line-height:1.7;font-style:italic}
.tm footer{margin-top:18px;color:var(--ink-soft);font-size:.92rem}
.tm strong{color:#0b6b4a}
.carousel__nav{display:flex;align-items:center;gap:16px;margin-top:24px}
.carousel__btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line-ink);
  background:#fff;color:var(--ink);font-size:1.3rem;cursor:pointer;transition:.2s}
.carousel__btn:hover{background:var(--accent);color:#04140d;border-color:var(--accent)}
.carousel__dots{display:flex;gap:9px}
.carousel__dots button{width:10px;height:10px;border-radius:50%;border:none;background:var(--line-ink);cursor:pointer;padding:0}
.carousel__dots button[aria-selected="true"]{background:var(--accent)}

/* ---------- PRICING slider ---------- */
.pricing{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,56px);margin-top:44px;align-items:center}
.pricing__control label{display:block;font-family:'Playfair Display';font-size:1.1rem;color:var(--text);margin-bottom:20px}
.pricing__control input[type=range]{width:100%;accent-color:var(--accent);height:6px}
.pricing__ticks{display:flex;justify-content:space-between;margin-top:12px;color:var(--muted);font-size:.85rem}
.pricing__card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:32px}
.pricing__top{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;
  border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:18px}
.pricing__price{font-family:'Playfair Display';color:var(--accent);font-size:2rem;line-height:1;white-space:nowrap}
.pricing__price small{color:var(--accent-2);font-size:1rem}
.pricing__feats{list-style:none;display:flex;flex-direction:column;gap:12px;margin-bottom:26px}
.pricing__feats li{padding-left:26px;position:relative;color:var(--text)}
.pricing__feats li::before{content:"✦";position:absolute;left:0;color:var(--accent)}
.pricing__cta{width:100%;text-align:center}
.pricing__fine{color:var(--muted);font-size:.82rem;margin-top:16px}
@media(max-width:760px){.pricing{grid-template-columns:1fr}}

/* ---------- FAQ side heading ---------- */
.faq__grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:clamp(28px,5vw,64px);align-items:start}
.faq__item{border-bottom:1px solid var(--line-ink);padding:6px 0}
.faq__item summary{cursor:pointer;list-style:none;padding:16px 0;font-family:'Playfair Display';font-size:1.06rem;
  color:var(--ink);display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";color:#0b6b4a;font-size:1.4rem;transition:transform .3s}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item p{color:var(--ink-soft);padding:0 0 18px;font-size:.98rem}
@media(max-width:760px){.faq__grid{grid-template-columns:1fr}}

/* ---------- FORM + summary ---------- */
.form-wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,56px);align-items:start}
.summary{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r);padding:24px 26px;margin-top:12px}
.summary h3{color:var(--accent-2);margin-bottom:14px;font-size:1rem;letter-spacing:.06em}
.summary dl div{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-top:1px solid var(--line)}
.summary dl div:first-child{border-top:none}
.summary dt{color:var(--muted);font-size:.9rem}
.summary dd{color:var(--text);font-size:.94rem;text-align:right;font-weight:500}
.lead{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(24px,4vw,36px)}
.field{margin-bottom:18px}
.field label{display:block;font-size:.86rem;color:var(--muted);margin-bottom:7px;letter-spacing:.04em}
.field input,.field textarea{width:100%;background:#0e130c;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:13px 15px;color:var(--text);font-family:'Raleway';font-size:1rem;transition:border-color .2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{resize:vertical}
.lead__submit{width:100%;margin-top:6px}
.lead__status{margin-top:14px;font-size:.92rem;min-height:1.2em}
.lead__status.error{color:#ff9b8a}
.lead__status.ok{color:var(--accent)}
.lead__fine{color:var(--muted);font-size:.82rem;margin-top:14px}
.lead__fine a{color:var(--accent-2);text-decoration:underline}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
@media(max-width:760px){.form-wrap{grid-template-columns:1fr}}

/* ---------- FOOTER big CTA ---------- */
.footer{background:var(--bg-2);border-top:1px solid var(--line);padding-left:var(--rail)}
@media(max-width:900px){.footer{padding-left:0}}
.footer__cta{text-align:center;padding:clamp(56px,9vw,96px) 24px;border-bottom:1px solid var(--line)}
.footer__cta h2{margin-bottom:26px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-top:56px;padding-bottom:40px}
.footer__grid h3{color:var(--accent-2);font-family:'Playfair Display';font-size:.95rem;margin-bottom:14px}
.footer__grid nav{display:flex;flex-direction:column;gap:10px}
.footer__grid nav a,.footer__grid a{color:var(--muted);font-size:.94rem;transition:color .2s}
.footer__grid nav a:hover,.footer__grid a:hover{color:var(--accent)}
.footer__grid p{color:var(--muted);font-size:.92rem;margin-top:8px}
.footer__brand{font-size:1.15rem;color:var(--text);display:inline-block;margin-bottom:10px}
.footer__copy{text-align:center;color:var(--muted);font-size:.82rem;padding:22px 24px;border-top:1px solid var(--line)}
@media(max-width:860px){.footer__grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer__grid{grid-template-columns:1fr}}

/* ---------- reveal on scroll (scale) ---------- */
.reveal{opacity:0;transform:scale(.96) translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- legal pages ---------- */
.legal{padding:clamp(80px,10vw,120px) 24px;padding-left:calc(var(--rail) + 24px);max-width:calc(760px + var(--rail));margin:0 auto}
@media(max-width:900px){.legal{padding-left:24px}}
.legal h1{margin-bottom:8px}
.legal .updated{color:var(--muted);font-size:.88rem;margin-bottom:36px}
.legal h2{font-size:1.4rem;margin:34px 0 12px}
.legal p,.legal li{color:var(--text);margin-bottom:14px}
.legal ul{padding-left:22px;margin-bottom:14px}
.legal a{color:var(--accent-2);text-decoration:underline}
.legal__back{display:inline-flex;align-items:center;gap:8px;color:var(--accent);margin-bottom:30px;font-weight:600}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}