/* ============================================================
   LPup Tools — Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Space+Grotesk:wght@600;700&display=swap');

/* --- Variables --- */
:root {
  --c-bg:       #ffffff;
  --c-bg-alt:   #f8fafc;
  --c-dark:     #0f172a;
  --c-dark2:    #1e293b;
  --c-orange:   #f97316;
  --c-orange-d: #ea580c;
  --c-blue:     #2563eb;
  --c-text:     #0f172a;
  --c-muted:    #64748b;
  --c-border:   #e2e8f0;
  --c-card:     #ffffff;
  --radius:     10px;
  --radius-lg:  16px;
  --shadow:     0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.07);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.12);
  --transition: .2s ease;
  --max-w:      1200px;
  --font:       'Inter', system-ui, sans-serif;
  --font-h:     'Space Grotesk', system-ui, sans-serif;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); color: var(--c-text); background: var(--c-bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }

/* --- Layout --- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section--alt { background: var(--c-bg-alt); }
.section--dark { background: var(--c-dark); color: #fff; }

/* --- Typography --- */
h1,h2,h3,h4,h5 { font-family: var(--font-h); line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2rem, 4vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }
p { line-height: 1.7; }
.text-muted { color: var(--c-muted); }
.text-orange { color: var(--c-orange); }
.text-center { text-align: center; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 8px; font-weight: 600; font-size: .95rem;
  transition: all var(--transition); white-space: nowrap;
}
.btn-primary {
  background: var(--c-orange); color: #fff;
}
.btn-primary:hover { background: var(--c-orange-d); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(249,115,22,.35); }
.btn-outline {
  background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.4);
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-dark {
  background: var(--c-dark); color: #fff;
}
.btn-dark:hover { background: var(--c-dark2); }
.btn-sm { padding: 8px 18px; font-size: .875rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }

/* --- Navigation --- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--c-dark); backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max-w); margin: 0 auto; padding: 0 20px; height: 64px;
}
.nav__logo {
  font-family: var(--font-h); font-size: 1.5rem; font-weight: 700; color: #fff;
  display: flex; align-items: center; gap: 10px;
}
.nav__logo-icon {
  width: 36px; height: 36px; background: var(--c-orange); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__link {
  color: rgba(255,255,255,.75); font-size: .9rem; font-weight: 500;
  padding: 8px 14px; border-radius: 6px; transition: all var(--transition);
  position: relative;
}
.nav__link:hover, .nav__link.active { color: #fff; background: rgba(255,255,255,.08); }
.nav__cta { margin-left: 12px; }
.nav__hamburger { display: none; color: #fff; padding: 8px; }
.nav__mobile { display: none; }

.dropdown { position: relative; }
.dropdown__menu {
  display: none; position: absolute; top: calc(100% + 8px); left: 0;
  background: var(--c-dark2); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius); min-width: 220px; padding: 8px;
  box-shadow: var(--shadow-lg);
}
.dropdown:hover .dropdown__menu { display: block; }
.dropdown__item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: 6px; color: rgba(255,255,255,.8);
  font-size: .875rem; transition: all var(--transition);
}
.dropdown__item:hover { background: rgba(255,255,255,.08); color: #fff; }
.dropdown__item svg { flex-shrink: 0; opacity: .6; }

/* --- Hero --- */
.hero {
  background: var(--c-dark);
  background-image: radial-gradient(ellipse 80% 60% at 60% 50%, rgba(249,115,22,.12) 0%, transparent 70%),
                    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(37,99,235,.1) 0%, transparent 60%);
  padding: 96px 0 80px;
  position: relative; overflow: hidden;
}
.hero__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
  max-width: var(--max-w); margin: 0 auto; padding: 0 20px;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(249,115,22,.15); color: var(--c-orange);
  border: 1px solid rgba(249,115,22,.3); border-radius: 100px;
  padding: 6px 14px; font-size: .8rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  margin-bottom: 20px;
}
.hero__title { color: #fff; margin-bottom: 20px; }
.hero__title span { color: var(--c-orange); }
.hero__sub { color: rgba(255,255,255,.65); font-size: 1.1rem; margin-bottom: 36px; max-width: 480px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__stats {
  display: flex; gap: 36px; margin-top: 48px; padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.hero__stat-num { font-family: var(--font-h); font-size: 1.8rem; font-weight: 700; color: #fff; }
.hero__stat-label { font-size: .8rem; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: .05em; }
.hero__visual {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; position: relative;
}
.hero__card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg); padding: 20px; text-align: center;
  transition: all var(--transition);
}
.hero__card:hover { background: rgba(249,115,22,.1); border-color: rgba(249,115,22,.3); }
.hero__card:first-child { grid-column: 1 / -1; background: rgba(249,115,22,.1); border-color: rgba(249,115,22,.3); }
.hero__card-icon { font-size: 2rem; margin-bottom: 10px; }
.hero__card-label { color: rgba(255,255,255,.8); font-size: .85rem; font-weight: 600; }

/* --- Section header --- */
.section-header { margin-bottom: 48px; }
.section-header .eyebrow {
  display: inline-block; color: var(--c-orange); font-size: .8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em; margin-bottom: 10px;
}
.section-header p { color: var(--c-muted); max-width: 560px; font-size: 1.05rem; }
.section-header.centered { text-align: center; }
.section-header.centered p { margin: 0 auto; }

/* --- Category Cards --- */
.cat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.cat-card {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); padding: 28px 20px; text-align: center;
  transition: all var(--transition); position: relative; overflow: hidden;
}
.cat-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--c-orange), var(--c-orange-d));
  opacity: 0; transition: opacity var(--transition);
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--c-orange); }
.cat-card:hover::before { opacity: .06; }
.cat-card__icon {
  width: 56px; height: 56px; margin: 0 auto 16px;
  background: linear-gradient(135deg, rgba(249,115,22,.1), rgba(249,115,22,.2));
  border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
}
.cat-card__title { font-weight: 700; font-size: .95rem; margin-bottom: 6px; }
.cat-card__count { color: var(--c-muted); font-size: .8rem; }

/* --- Product Cards --- */
.product-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px;
}
.product-card {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); overflow: hidden; transition: all var(--transition);
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: rgba(249,115,22,.4); }
.product-card__img {
  aspect-ratio: 4/3; overflow: hidden; background: var(--c-bg-alt);
  display: flex; align-items: center; justify-content: center;
}
.product-card__img img {
  width: 100%; height: 100%; object-fit: contain; padding: 16px;
  transition: transform .3s ease;
}
.product-card:hover .product-card__img img { transform: scale(1.05); }
.product-card__body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.product-card__vendor { font-size: .72rem; color: var(--c-muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; }
.product-card__title { font-weight: 600; font-size: .9rem; line-height: 1.4; margin-bottom: 12px; flex: 1; }
.product-card__price { font-family: var(--font-h); font-size: 1.2rem; font-weight: 700; color: var(--c-orange); margin-bottom: 14px; }
.product-card__cta {
  display: block; text-align: center; background: var(--c-dark); color: #fff;
  padding: 10px; border-radius: 7px; font-size: .85rem; font-weight: 600;
  transition: all var(--transition);
}
.product-card__cta:hover { background: var(--c-orange); }
.product-card__amazon {
  display: block; text-align: center; background: transparent;
  color: #f90; border: 1px solid #f90;
  padding: 8px; border-radius: 7px; font-size: .8rem; font-weight: 500;
  margin-top: 6px; transition: all var(--transition);
}
.product-card__amazon:hover { background: #f90; color: #000; }

/* --- Blog Cards --- */
.blog-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.blog-card {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); overflow: hidden; transition: all var(--transition);
}
.blog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.blog-card__img { aspect-ratio: 16/9; overflow: hidden; }
.blog-card__img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
}
.blog-card__body { padding: 22px; }
.blog-card__tag {
  display: inline-block; background: rgba(249,115,22,.1); color: var(--c-orange);
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em;
  padding: 4px 10px; border-radius: 100px; margin-bottom: 12px;
}
.blog-card__title { font-size: 1.05rem; font-weight: 700; line-height: 1.4; margin-bottom: 10px; }
.blog-card__title:hover { color: var(--c-orange); }
.blog-card__excerpt { font-size: .875rem; color: var(--c-muted); line-height: 1.6; margin-bottom: 16px; }
.blog-card__meta { display: flex; align-items: center; gap: 12px; font-size: .78rem; color: var(--c-muted); }
.blog-card__meta-dot { width: 3px; height: 3px; background: var(--c-border); border-radius: 50%; }

/* --- Feature blocks --- */
.features-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.feature {
  text-align: center; padding: 32px 20px;
  background: var(--c-card); border: 1px solid var(--c-border); border-radius: var(--radius-lg);
}
.feature__icon {
  width: 64px; height: 64px; margin: 0 auto 18px;
  background: linear-gradient(135deg, rgba(249,115,22,.15), rgba(249,115,22,.05));
  border-radius: 16px; display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
}
.feature__title { font-weight: 700; margin-bottom: 10px; }
.feature__text { font-size: .875rem; color: var(--c-muted); line-height: 1.6; }

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: .82rem; color: var(--c-muted); padding: 14px 0; flex-wrap: wrap;
}
.breadcrumb a { color: var(--c-muted); }
.breadcrumb a:hover { color: var(--c-orange); }
.breadcrumb__sep { color: var(--c-border); }

/* --- Page Hero (inner pages) --- */
.page-hero {
  background: var(--c-dark);
  background-image: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(249,115,22,.1) 0%, transparent 60%);
  padding: 56px 0 48px; color: #fff;
}
.page-hero h1 { color: #fff; font-size: clamp(1.8rem, 3vw, 2.8rem); margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,.65); max-width: 600px; }

/* --- Product page layout --- */
.shop-layout { display: grid; grid-template-columns: 260px 1fr; gap: 32px; align-items: start; }
.sidebar {
  position: sticky; top: 80px;
  background: var(--c-card); border: 1px solid var(--c-border); border-radius: var(--radius-lg); overflow: hidden;
}
.sidebar__section { padding: 20px; border-bottom: 1px solid var(--c-border); }
.sidebar__section:last-child { border-bottom: none; }
.sidebar__title { font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 14px; color: var(--c-muted); }
.sidebar__link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 0; font-size: .875rem; color: var(--c-text); border-bottom: 1px solid var(--c-border);
  transition: color var(--transition);
}
.sidebar__link:last-child { border: none; }
.sidebar__link:hover, .sidebar__link.active { color: var(--c-orange); }
.sidebar__count { background: var(--c-bg-alt); font-size: .72rem; font-weight: 600; padding: 2px 8px; border-radius: 100px; }

/* --- Newsletter --- */
.newsletter {
  background: linear-gradient(135deg, var(--c-dark), var(--c-dark2));
  border-radius: var(--radius-lg); padding: 56px 48px; text-align: center; color: #fff;
  position: relative; overflow: hidden;
}
.newsletter::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 100% at 50% 0%, rgba(249,115,22,.15), transparent);
}
.newsletter > * { position: relative; }
.newsletter h2 { color: #fff; margin-bottom: 12px; }
.newsletter p { color: rgba(255,255,255,.65); margin-bottom: 28px; }
.newsletter__form { display: flex; gap: 10px; max-width: 460px; margin: 0 auto; }
.newsletter__input {
  flex: 1; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  border-radius: 8px; padding: 12px 16px; color: #fff; font-size: .9rem;
  transition: border var(--transition);
}
.newsletter__input::placeholder { color: rgba(255,255,255,.4); }
.newsletter__input:focus { outline: none; border-color: var(--c-orange); }

/* --- Footer --- */
.footer {
  background: var(--c-dark); color: rgba(255,255,255,.7); padding: 64px 0 0;
}
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer__brand p { font-size: .875rem; line-height: 1.7; margin: 14px 0 20px; max-width: 280px; }
.footer__col h4 { color: #fff; font-size: .85rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 18px; }
.footer__link {
  display: block; font-size: .875rem; color: rgba(255,255,255,.55); padding: 5px 0;
  transition: color var(--transition);
}
.footer__link:hover { color: var(--c-orange); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding: 24px 0;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: .8rem; color: rgba(255,255,255,.35);
}
.footer__bottom a { color: rgba(255,255,255,.35); }
.footer__bottom a:hover { color: rgba(255,255,255,.7); }
.footer__social { display: flex; gap: 12px; }
.footer__social-link {
  width: 34px; height: 34px; background: rgba(255,255,255,.08); border-radius: 8px;
  display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.6);
  font-size: .8rem; transition: all var(--transition);
}
.footer__social-link:hover { background: var(--c-orange); color: #fff; }

/* --- Blog article --- */
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
.article__content { max-width: 720px; }
.article__content h2 { font-size: 1.6rem; margin: 40px 0 16px; }
.article__content h3 { font-size: 1.2rem; margin: 28px 0 12px; }
.article__content p { margin-bottom: 18px; font-size: 1rem; line-height: 1.75; }
.article__content ul, .article__content ol { padding-left: 24px; margin-bottom: 18px; }
.article__content li { margin-bottom: 8px; font-size: 1rem; line-height: 1.7; }
.article__content a { color: var(--c-orange); text-decoration: underline; text-underline-offset: 3px; }
.article__content img { border-radius: var(--radius); margin: 24px 0; }
.article__toc {
  position: sticky; top: 80px;
  background: var(--c-card); border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: 24px;
}
.article__toc h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .07em; color: var(--c-muted); margin-bottom: 14px; }
.toc__link { display: block; font-size: .875rem; padding: 6px 0; border-bottom: 1px solid var(--c-border); color: var(--c-muted); transition: color var(--transition); }
.toc__link:last-child { border: none; }
.toc__link:hover { color: var(--c-orange); }
.article-header { background: var(--c-bg-alt); padding: 56px 0 40px; margin-bottom: 48px; }
.article-header .tag { display: inline-block; background: var(--c-orange); color: #fff; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; padding: 5px 12px; border-radius: 100px; margin-bottom: 16px; }
.article-header h1 { max-width: 800px; font-size: clamp(1.8rem,3vw,2.6rem); margin-bottom: 16px; }
.article-header .meta { display: flex; align-items: center; gap: 20px; color: var(--c-muted); font-size: .875rem; flex-wrap: wrap; }
.affiliate-box {
  background: linear-gradient(135deg,rgba(249,115,22,.06),rgba(249,115,22,.02));
  border: 1px solid rgba(249,115,22,.25); border-radius: var(--radius-lg); padding: 24px;
  margin: 28px 0;
}
.affiliate-box .disclosure { font-size: .8rem; color: var(--c-muted); font-style: italic; margin-bottom: 16px; }
.affiliate-box h4 { font-size: 1.1rem; margin-bottom: 8px; }
.affiliate-box .price { font-family: var(--font-h); font-size: 1.4rem; color: var(--c-orange); font-weight: 700; margin-bottom: 14px; }

/* --- Contact form --- */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: .875rem; font-weight: 600; margin-bottom: 6px; }
.form-input, .form-textarea {
  width: 100%; background: var(--c-bg-alt); border: 1px solid var(--c-border);
  border-radius: 8px; padding: 12px 16px; font-size: .9rem; color: var(--c-text);
  transition: border var(--transition);
}
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--c-orange); }
.form-textarea { resize: vertical; min-height: 130px; }

/* --- Badges --- */
.badge {
  display: inline-block; font-size: .72rem; font-weight: 700; padding: 3px 9px;
  border-radius: 100px; text-transform: uppercase; letter-spacing: .05em;
}
.badge-orange { background: rgba(249,115,22,.12); color: var(--c-orange); }
.badge-green { background: rgba(34,197,94,.12); color: #16a34a; }
.badge-blue { background: rgba(37,99,235,.12); color: var(--c-blue); }

/* --- Loading spinner --- */
.loading { text-align: center; padding: 60px; color: var(--c-muted); }
.spinner {
  width: 40px; height: 40px; border: 3px solid var(--c-border);
  border-top-color: var(--c-orange); border-radius: 50%;
  animation: spin .7s linear infinite; margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Pagination --- */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 48px; }
.page-btn {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border-radius: 8px; font-size: .875rem; font-weight: 600; cursor: pointer;
  border: 1px solid var(--c-border); background: var(--c-card); transition: all var(--transition);
}
.page-btn:hover, .page-btn.active { background: var(--c-orange); color: #fff; border-color: var(--c-orange); }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .cat-grid { grid-template-columns: repeat(3,1fr); }
  .features-grid { grid-template-columns: repeat(2,1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .shop-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .article-layout { grid-template-columns: 1fr; }
  .article__toc { display: none; }
}
@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .cat-grid { grid-template-columns: repeat(2,1fr); }
  .blog-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__hamburger { display: block; }
  .nav__mobile.open { display: flex; flex-direction: column; padding: 16px; border-top: 1px solid rgba(255,255,255,.1); }
  .nav__mobile .nav__link { padding: 12px 8px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .hero { padding: 64px 0 48px; }
  .hero__stats { gap: 24px; }
  .newsletter { padding: 36px 24px; }
  .newsletter__form { flex-direction: column; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .product-grid { grid-template-columns: 1fr 1fr; }
}