/* Calories AI Calculator — landing site styles */
:root {
  --green-950: #0d2818;
  --green-900: #14532d;
  --green-800: #1b6b3a;
  --green-600: #2e9e57;
  --green-500: #34c168;
  --orange-500: #e8833a;
  --orange-600: #d96f24;
  --cream: #faf7f0;
  --cream-2: #f3efe5;
  --ink: #16241b;
  --ink-soft: #47554c;
  --card: #ffffff;
  --line: #e3ded2;
  --radius: 20px;
  --shadow: 0 10px 30px rgba(13, 40, 24, .12);
  --maxw: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-800); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 247, 240, .85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: 1.02rem; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.main-nav { display: flex; gap: 22px; align-items: center; }
.main-nav a { text-decoration: none; color: var(--ink-soft); font-size: .95rem; font-weight: 500; }
.main-nav a:hover { color: var(--green-900); }
@media (max-width: 760px) { .main-nav .nav-link { display: none; } }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; text-decoration: none; font-weight: 600;
  padding: 12px 24px; font-size: 1rem; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  cursor: pointer; border: none;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--green-900); color: #fff; box-shadow: 0 6px 18px rgba(20, 83, 45, .35); }
.btn-primary:hover { background: var(--green-800); }
.btn-orange { background: var(--orange-500); color: #fff; box-shadow: 0 6px 18px rgba(232, 131, 58, .35); }
.btn-orange:hover { background: var(--orange-600); }
.btn-ghost { background: transparent; color: var(--green-900); border: 1.5px solid var(--green-900); }
.btn-sm { padding: 9px 18px; font-size: .9rem; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--green-950) 0%, var(--green-900) 55%, #1a5e34 100%);
  color: #fff; overflow: hidden; position: relative;
}
.hero .container {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center;
  padding-top: 72px; padding-bottom: 72px;
}
@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; padding-top: 48px; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
}
.hero h1 { font-size: clamp(2rem, 4.6vw, 3.3rem); line-height: 1.12; letter-spacing: -.02em; font-weight: 800; }
.hero h1 .accent { color: #ffd9b8; }
.hero .sub { margin-top: 18px; font-size: 1.15rem; color: #d9e8dd; max-width: 34em; }
.hero-icon { width: 76px; height: 76px; border-radius: 18px; box-shadow: 0 12px 30px rgba(0,0,0,.35); margin-bottom: 22px; }
.hero-ctas { margin-top: 30px; display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero-note { margin-top: 14px; font-size: .88rem; color: #b9d2c0; }
.hero-phone { position: relative; display: flex; justify-content: center; }
.hero-phone img {
  width: min(320px, 78%); border-radius: 32px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, .45);
  transform: rotate(2.5deg);
}
.trust-row { margin-top: 34px; display: flex; gap: 26px; flex-wrap: wrap; }
.trust-item { font-size: .9rem; color: #cfe3d4; display: flex; align-items: center; gap: 8px; }
.trust-item strong { color: #fff; }

/* App Store badge (inline SVG-ish button) */
.appstore-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: #000; color: #fff; border-radius: 12px; padding: 10px 20px;
  text-decoration: none; line-height: 1.15; border: 1px solid #3a3a3a;
  transition: transform .15s ease;
}
.appstore-badge:hover { transform: translateY(-1px); }
.appstore-badge .apple-logo { width: 26px; height: 26px; }
.appstore-badge .lines { display: flex; flex-direction: column; text-align: left; }
.appstore-badge .small { font-size: .68rem; letter-spacing: .02em; }
.appstore-badge .big { font-size: 1.18rem; font-weight: 600; letter-spacing: -.01em; }

/* ---------- Sections ---------- */
section { padding: 76px 0; }
.section-head { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.section-head .eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--orange-600); margin-bottom: 10px;
}
.section-head h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); letter-spacing: -.02em; line-height: 1.2; }
.section-head p { margin-top: 12px; color: var(--ink-soft); font-size: 1.05rem; }

/* Features grid */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 900px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features-grid { grid-template-columns: 1fr; } }
.feature-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: 0 4px 14px rgba(13, 40, 24, .05);
}
.feature-card .icon {
  width: 46px; height: 46px; border-radius: 13px; display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem; margin-bottom: 16px; background: #e7f4ec;
}
.feature-card h3 { font-size: 1.08rem; margin-bottom: 8px; letter-spacing: -.01em; }
.feature-card p { color: var(--ink-soft); font-size: .95rem; }

/* Screenshots */
.screens { background: linear-gradient(180deg, var(--cream) 0%, var(--cream-2) 100%); }
.screens-track {
  display: flex; gap: 26px; overflow-x: auto; padding: 10px 6px 26px;
  scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
}
.screens-track::-webkit-scrollbar { height: 8px; }
.screens-track::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }
.screen-card { flex: 0 0 auto; width: 250px; scroll-snap-align: center; text-align: center; }
.screen-card img {
  border-radius: 26px; box-shadow: var(--shadow); border: 1px solid rgba(13,40,24,.08);
}
.screen-card figcaption { margin-top: 12px; font-size: .92rem; color: var(--ink-soft); font-weight: 500; }

/* How it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; counter-reset: step; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; position: relative;
}
.step .num {
  width: 40px; height: 40px; border-radius: 50%; background: var(--green-900); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 700; margin-bottom: 16px;
}
.step h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step p { color: var(--ink-soft); font-size: .95rem; }

/* Guides */
.guides-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 760px) { .guides-grid { grid-template-columns: 1fr; } }
.guide-card {
  display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 26px; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease;
}
.guide-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.guide-card .tag {
  display: inline-block; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--green-800); background: #e7f4ec; border-radius: 999px; padding: 4px 12px; margin-bottom: 12px;
}
.guide-card h3 { color: var(--ink); font-size: 1.08rem; line-height: 1.35; margin-bottom: 8px; letter-spacing: -.01em; }
.guide-card p { color: var(--ink-soft); font-size: .92rem; }
.guide-card .more { display: inline-block; margin-top: 12px; font-weight: 600; color: var(--orange-600); font-size: .92rem; }

/* FAQ */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  margin-bottom: 14px; overflow: hidden;
}
.faq-item summary {
  cursor: pointer; padding: 20px 24px; font-weight: 600; font-size: 1.02rem;
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 14px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--green-800); flex: 0 0 auto; }
.faq-item[open] summary::after { content: "–"; }
.faq-item .answer { padding: 0 24px 20px; color: var(--ink-soft); font-size: .97rem; }
.faq-item .answer a { font-weight: 600; color: var(--orange-600); text-decoration: none; }
.faq-item .answer a:hover { text-decoration: underline; }

/* CTA band */
.cta-band {
  background: linear-gradient(150deg, var(--green-950), var(--green-900));
  color: #fff; text-align: center; border-radius: 28px;
  padding: 64px 32px; margin: 0 24px;
}
.cta-band h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); letter-spacing: -.02em; }
.cta-band p { margin: 14px auto 0; color: #d9e8dd; max-width: 36em; }
.cta-band .hero-ctas { justify-content: center; }

/* Footer */
.site-footer { background: var(--green-950); color: #b9d2c0; margin-top: 76px; padding: 56px 0 36px; }
.site-footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 36px; }
@media (max-width: 760px) { .site-footer .cols { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
.site-footer a { color: #b9d2c0; text-decoration: none; font-size: .92rem; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 9px; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; margin-bottom: 12px; }
.footer-brand img { width: 34px; height: 34px; border-radius: 8px; }
.site-footer .legal { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: .82rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- Guide article pages ---------- */
.article-hero { background: linear-gradient(160deg, var(--green-950), var(--green-900)); color: #fff; padding: 56px 0; }
.article-hero .crumbs { font-size: .85rem; color: #b9d2c0; margin-bottom: 16px; }
.article-hero .crumbs a { color: #d9e8dd; text-decoration: none; }
.article-hero h1 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); line-height: 1.18; letter-spacing: -.02em; max-width: 20em; }
.article-hero .meta { margin-top: 14px; color: #b9d2c0; font-size: .9rem; }

.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 48px; padding: 56px 0; }
@media (max-width: 940px) { .article-layout { grid-template-columns: 1fr; } }
.article-body h2 { font-size: 1.45rem; margin: 40px 0 14px; letter-spacing: -.01em; }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { font-size: 1.12rem; margin: 26px 0 10px; }
.article-body p { margin-bottom: 16px; color: #2c3a31; }
.article-body ul, .article-body ol { margin: 0 0 16px 24px; color: #2c3a31; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--ink); }
.article-body .tip {
  background: #e7f4ec; border-left: 4px solid var(--green-600); border-radius: 0 12px 12px 0;
  padding: 16px 20px; margin: 22px 0; font-size: .96rem;
}
.article-body .step-box {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 22px 24px; margin: 18px 0;
}
.article-body .step-box h3 { margin-top: 0; }
.article-body figure { margin: 26px 0; }
.article-body figure img { border-radius: 22px; box-shadow: var(--shadow); width: min(300px, 100%); margin: 0 auto; }
.article-body figcaption { text-align: center; font-size: .85rem; color: var(--ink-soft); margin-top: 10px; }

.article-aside { position: sticky; top: 88px; align-self: start; }
.aside-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; text-align: center; box-shadow: 0 4px 14px rgba(13,40,24,.05);
}
.aside-card img.icon { width: 72px; height: 72px; border-radius: 17px; margin: 0 auto 14px; box-shadow: 0 8px 20px rgba(13,40,24,.18); }
.aside-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.aside-card p { font-size: .88rem; color: var(--ink-soft); margin-bottom: 16px; }
.aside-links { margin-top: 22px; background: transparent; }
.aside-links h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-soft); margin: 26px 0 12px; }
.aside-links ul { list-style: none; }
.aside-links li { margin-bottom: 10px; }
.aside-links a { font-size: .92rem; text-decoration: none; color: var(--green-900); font-weight: 500; }
.aside-links a:hover { color: var(--orange-600); }

.article-cta {
  background: linear-gradient(150deg, var(--green-950), var(--green-900)); color: #fff;
  border-radius: 22px; padding: 36px; margin: 44px 0 0; text-align: center;
}
.article-cta h2 { color: #fff; margin: 0 0 10px !important; }
.article-cta p { color: #d9e8dd !important; max-width: 34em; margin: 0 auto 22px; }