:root{
  --ink:#19312f;
  --forest:#153e3a;
  --forest-2:#24645c;
  --mint:#eaf5f0;
  --mint-2:#dcefe7;
  --cream:#fbf8f1;
  --paper:#fffefa;
  --white:#ffffff;
  --coral:#ef8d6f;
  --coral-soft:#fff0ea;
  --blue:#eaf1fa;
  --line:#d9e5df;
  --muted:#6d7e79;
  --shadow:0 24px 70px rgba(24,62,57,.11);
  --shadow-soft:0 14px 40px rgba(24,62,57,.07);
  --radius-lg:34px;
  --radius-md:24px;
  --radius-sm:16px;
}

[data-theme="dark"] {
  --ink: #eaf5f0;
  --forest: #eaf5f0;
  --forest-2: #4ab78e;
  --mint: #0f2825;
  --mint-2: #153e3a;
  --cream: #0f2825;
  --paper: #0b1c1a;
  --white: #153e3a;
  --coral: #ef8d6f;
  --coral-soft: rgba(239,141,111,0.15);
  --blue: #0f2825;
  --line: rgba(217,229,223,0.15);
  --muted: #a9c3b7;
  --shadow: 0 24px 70px rgba(0,0,0,.5);
  --shadow-soft: 0 14px 40px rgba(0,0,0,.3);
}

.topbar{
  background:var(--forest);
  color:#fff;
  text-align:center;
  padding:10px 16px;
  font-size:13px;
  letter-spacing:.2px;
}

.nav{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,254,250,.94);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(21,62,58,.08);
}

[data-theme="dark"] .nav {
  background: rgba(11,28,26,.94);
  border-bottom: 1px solid rgba(217,229,223,.1);
}

.nav-inner{
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:24px;
  font-weight:800;
  color:var(--forest);
  letter-spacing:-1px;
}

.brand-mark{
  width:42px;
  height:42px;
  border-radius:15px;
  background:linear-gradient(135deg,var(--forest),var(--forest-2));
  display:grid;
  place-items:center;
  box-shadow:0 10px 26px rgba(21,62,58,.22);
}

.brand-mark svg{width:24px;height:24px}
.brand span{color:var(--coral)}

.nav-links{
  display:flex;
  align-items:center;
  gap:24px;
  font-size:14px;
  font-weight:700;
  color:#45615c;
}

[data-theme="dark"] .nav-links {
  color: #a9c3b7;
}

.nav-actions{display:flex;gap:10px;align-items:center}

.btn{
  min-height:48px;
  border-radius:999px;
  padding:0 22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  border:1px solid transparent;
  font-weight:800;
  cursor:pointer;
  transition:.25s ease;
}

.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--forest);color:#fff;box-shadow:0 13px 28px rgba(21,62,58,.18)}
.btn-soft{background:#fff;border-color:var(--line);color:var(--forest)}
[data-theme="dark"] .btn-soft { background: #153e3a; border-color: var(--line); color: #fff; }
.btn-coral{background:var(--coral);color:#fff;box-shadow:0 13px 28px rgba(239,141,111,.24)}

.hero{
  padding:82px 0 72px;
  background:
    radial-gradient(circle at 10% 15%,rgba(239,141,111,.12),transparent 24%),
    radial-gradient(circle at 88% 18%,rgba(36,100,92,.11),transparent 25%),
    linear-gradient(180deg,var(--paper) 0%,var(--mint) 100%);
}

.hero-grid{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:64px;
  align-items:center;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 13px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--forest-2);
  font-size:12px;
  font-weight:800;
  letter-spacing:1.2px;
  text-transform:uppercase;
  margin-bottom:22px;
}

[data-theme="dark"] .eyebrow {
  background: #153e3a;
  color: #4ab78e;
}

.eyebrow:before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--coral);
  box-shadow:0 0 0 6px rgba(239,141,111,.12);
}

.hero h1{
  font-size:clamp(48px,6.7vw,84px);
  line-height:.98;
  letter-spacing:-4.7px;
  color:var(--forest);
  max-width:780px;
  margin-bottom:24px;
}

.hero h1 em{font-style:normal;color:var(--coral)}
.hero-copy{
  max-width:670px;
  font-size:19px;
  color:var(--muted);
  line-height:1.8;
  margin-bottom:28px;
}

.search-box{
  display:grid;
  grid-template-columns:1fr auto;
  gap:10px;
  padding:10px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:var(--shadow-soft);
  max-width:760px;
}

[data-theme="dark"] .search-box {
  background: #153e3a;
}

.search-field{
  min-height:55px;
  border:0;
  outline:0;
  padding:0 18px;
  color:var(--ink);
  background:transparent;
}

.hero-meta{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  margin-top:20px;
  color:#54706a;
  font-size:14px;
  font-weight:700;
}

[data-theme="dark"] .hero-meta {
  color: #a9c3b7;
}

.hero-meta span:before{
  content:"✓";
  color:var(--forest-2);
  margin-right:7px;
}

.hero-card-wrap{position:relative}
.hero-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:40px;
  padding:28px;
  box-shadow:var(--shadow);
  transform:rotate(1deg);
}

[data-theme="dark"] .hero-card {
  background: #153e3a;
}

.hero-card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:22px;
}

.mini-title{font-weight:800;color:var(--forest)}
.online{
  display:flex;
  align-items:center;
  gap:7px;
  color:#4e776e;
  font-size:12px;
  font-weight:800;
  background:var(--mint);
  padding:7px 10px;
  border-radius:999px;
}

[data-theme="dark"] .online {
  color: #a9c3b7;
}

.online:before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:#4ab78e;
}

.question-preview{
  border:1px solid var(--line);
  border-radius:24px;
  padding:20px;
  margin-bottom:14px;
  background:#fff;
}

[data-theme="dark"] .question-preview {
  background: #0f2825;
}

.question-preview.featured{background:var(--cream)}
.q-meta{
  display:flex;
  gap:9px;
  align-items:center;
  color:var(--muted);
  font-size:12px;
  margin-bottom:8px;
}

.avatar{
  width:34px;
  height:34px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--mint-2);
  color:var(--forest);
  font-weight:900;
  flex:0 0 auto;
}

.q-title{
  font-family:"Manrope";
  font-size:17px;
  line-height:1.35;
  color:var(--forest);
  margin-bottom:10px;
}

.q-footer{
  display:flex;
  gap:14px;
  color:#71837e;
  font-size:12px;
  font-weight:700;
}

[data-theme="dark"] .q-footer {
  color: #a9c3b7;
}

.floating-note{
  position:absolute;
  right:-20px;
  bottom:-24px;
  background:var(--coral);
  color:#fff;
  padding:18px 22px;
  border-radius:22px;
  font-weight:800;
  box-shadow:0 18px 40px rgba(239,141,111,.28);
  transform:rotate(-3deg);
}

.section-head{
  max-width:780px;
  margin:0 auto 44px;
  text-align:center;
}

.section-head .label{
  color:var(--coral);
  font-size:12px;
  font-weight:800;
  letter-spacing:1.7px;
  text-transform:uppercase;
  margin-bottom:12px;
}

.section-head h2{
  font-size:clamp(38px,5vw,62px);
  line-height:1.04;
  letter-spacing:-3.5px;
  color:var(--forest);
  margin-bottom:16px;
}

.section-head p{font-size:18px;color:var(--muted);line-height:1.75}

.category-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}

.category-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:26px;
  padding:25px;
  box-shadow:var(--shadow-soft);
  transition:.25s ease;
}

[data-theme="dark"] .category-card {
  background: #153e3a;
}

.category-card:hover{transform:translateY(-5px);border-color:#bfd7cc}
.category-icon{
  width:50px;
  height:50px;
  border-radius:17px;
  display:grid;
  place-items:center;
  margin-bottom:18px;
  font-size:22px;
  background:var(--mint);
}

[data-theme="dark"] .category-card:nth-child(n) .category-icon {
  background: #0f2825 !important;
}

.category-card h3{
  font-size:20px;
  color:var(--forest);
  margin-bottom:8px;
  letter-spacing:-.8px;
}

.category-card p{color:var(--muted);font-size:14px;min-height:66px}
.category-count{
  margin-top:18px;
  padding-top:15px;
  border-top:1px solid var(--line);
  color:var(--forest-2);
  font-size:13px;
  font-weight:800;
}

.forum-section{background:var(--mint)}
[data-theme="dark"] .forum-section { background: var(--bg-2); }
.forum-layout{
  display:grid;
  grid-template-columns:1fr 330px;
  gap:28px;
  align-items:start;
}

.topic-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:30px;
  overflow:hidden;
  box-shadow:var(--shadow-soft);
}

[data-theme="dark"] .topic-list {
  background: #153e3a;
}

.list-head{
  padding:23px 25px;
  border-bottom:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.list-head h3{font-size:24px;color:var(--forest)}
.filter{
  padding:8px 11px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--forest);
  background:#fff;
  font-size:12px;
  font-weight:800;
}

[data-theme="dark"] .filter {
  background: #0f2825;
}

.topic{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:16px;
  align-items:center;
  padding:22px 25px;
  border-bottom:1px solid var(--line);
  transition:.2s ease;
}

.topic:last-child{border-bottom:0}
.topic:hover{background:#fbfdfb}
[data-theme="dark"] .topic:hover { background: #0f2825; }

.topic-icon{
  width:46px;
  height:46px;
  border-radius:16px;
  display:grid;
  place-items:center;
  background:var(--mint);
  font-size:19px;
}

.topic h4{
  font-family:"Manrope";
  color:var(--forest);
  font-size:17px;
  line-height:1.35;
  margin-bottom:6px;
}

.topic-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  color:var(--muted);
  font-size:12px;
}

.tag{
  color:var(--forest-2);
  background:var(--mint);
  padding:4px 8px;
  border-radius:999px;
  font-weight:800;
}

.topic-stats{
  text-align:right;
  color:var(--muted);
  font-size:12px;
  min-width:70px;
}

.topic-stats strong{
  display:block;
  color:var(--forest);
  font-size:18px;
}

.sidebar{display:grid;gap:18px}
.side-card{
  border:1px solid var(--line);
  border-radius:28px;
  padding:24px;
  background:#fff;
  box-shadow:var(--shadow-soft);
}

[data-theme="dark"] .side-card {
  background: #153e3a;
}

.side-card h3{font-size:21px;color:var(--forest);margin-bottom:12px}
.side-card p{color:var(--muted);font-size:14px;margin-bottom:18px}
.side-card .btn{width:100%}

.expert{
  display:flex;
  gap:12px;
  align-items:center;
  padding:13px 0;
  border-top:1px solid var(--line);
}

.expert:first-of-type{border-top:0}
.expert-name{font-weight:800;color:var(--forest);font-size:14px}
.expert-role{font-size:12px;color:var(--muted)}
.verified{color:#2e8d72;font-size:12px;font-weight:800}

.how-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.how-card{
  position:relative;
  padding:31px;
  border-radius:28px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}

[data-theme="dark"] .how-card {
  background: #153e3a;
}

.how-num{
  width:48px;
  height:48px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--coral);
  color:#fff;
  font-family:"Manrope";
  font-weight:900;
  margin-bottom:19px;
}

.how-card h3{font-size:22px;color:var(--forest);margin-bottom:10px}
.how-card p{color:var(--muted)}

.trust{
  background:var(--forest);
  color:#fff;
}

.trust-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}

.trust h2{
  font-size:clamp(40px,5vw,64px);
  line-height:1.04;
  letter-spacing:-3.5px;
  margin-bottom:20px;
}

.trust p{
  color:rgba(255,255,255,.72);
  font-size:18px;
  line-height:1.8;
}

.rules{
  display:grid;
  gap:13px;
}

.rule{
  padding:18px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:20px;
  background:rgba(255,255,255,.06);
  display:flex;
  gap:13px;
  align-items:flex-start;
}

.rule b{
  width:34px;
  height:34px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:rgba(255,255,255,.12);
  flex:0 0 auto;
}

.rule strong{display:block;margin-bottom:3px}
.rule small{color:rgba(255,255,255,.66)}

.cta-wrap{
  padding:34px 0 90px;
  background:var(--cream);
}

.cta-box{
  border-radius:38px;
  padding:48px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:35px;
  align-items:center;
  background:
    radial-gradient(circle at 85% 20%,rgba(239,141,111,.24),transparent 25%),
    linear-gradient(135deg,#17443f,#28665f);
  color:#fff;
  box-shadow:var(--shadow);
}

.cta-box h2{
  font-size:clamp(36px,4.5vw,56px);
  line-height:1.05;
  letter-spacing:-3px;
  margin-bottom:12px;
}

.cta-box p{color:rgba(255,255,255,.72);font-size:17px}

footer{
  background:#0b2926;
  color:rgba(255,255,255,.66);
  padding:45px 0;
}

.footer-grid{
  display:grid;
  grid-template-columns:1fr auto;
  gap:30px;
  align-items:center;
}

.footer-brand{color:#fff;font-family:"Manrope";font-size:21px;font-weight:800;margin-bottom:7px}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;font-weight:700}
.legal{margin-top:14px;max-width:800px;font-size:12px;line-height:1.7}

@media(max-width:1020px){
  .hero-grid,.trust-grid,.cta-box{grid-template-columns:1fr}
  .category-grid{grid-template-columns:repeat(2,1fr)}
  .forum-layout{grid-template-columns:1fr}
  .sidebar{grid-template-columns:repeat(2,1fr)}
  .hero-card-wrap{max-width:680px;margin:auto}
  .floating-note{right:10px}
  .cta-box{text-align:center}
}

@media(max-width:760px){
  .nav-links{display:none}
  .nav-actions .btn-soft{display:none}
  .hero{padding:58px 0}
  .hero h1{letter-spacing:-3px}
  .search-box{grid-template-columns:1fr}
  .search-box .btn{width:100%}
  .category-grid,.how-grid,.sidebar{grid-template-columns:1fr}
  .topic{grid-template-columns:auto 1fr}
  .topic-stats{display:none}
  .footer-grid{grid-template-columns:1fr}
  .cta-box{padding:32px 25px}
}

@media(max-width:520px){
  .container{width:min(94%,1180px)}
  .topbar{font-size:11px}
  .brand{font-size:20px}
  .brand-mark{width:38px;height:38px}
  .nav-actions .btn-primary{padding:0 16px;min-height:43px;font-size:13px}
  .hero h1{font-size:46px}
  .hero-copy{font-size:17px}
  .hero-card{padding:18px;border-radius:28px}
  .floating-note{position:static;margin-top:15px;transform:none;text-align:center}
  .section-head h2{letter-spacing:-2.4px}
  .category-card,.how-card{padding:23px}
  .topic{padding:18px 17px}
}