/* ===== Design tokens ===== */
:root {
  --bg: #f6f2e9;
  --bg-soft: #efe9da;
  --card: #fffdf8;
  --ink: #26352a;
  --ink-soft: #5d6b5e;
  --green: #3f6b46;
  --green-deep: #2c4d31;
  --green-bright: #5a8a5f;
  --amber: #c98a3a;
  --line: #e3dcca;
  --radius: 20px;
  --radius-sm: 14px;
  --shadow: 0 18px 40px -24px rgba(44, 77, 49, 0.35);
  --maxw: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: "Fraunces", Georgia, serif; font-weight: 500; line-height: 1.12; letter-spacing: -0.01em; }
em { font-style: italic; color: var(--green); }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

.eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--green); background: var(--bg-soft);
  padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line);
}
.eyebrow--center { display: block; width: fit-content; margin: 0 auto 22px; }

/* ===== Nav ===== */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(246, 242, 233, 0.82);
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 8px; font-family: "Fraunces", serif; font-size: 20px; font-weight: 600; color: var(--green-deep); }
.brand__leaf { font-size: 18px; }
.nav__links { display: flex; gap: 28px; }
.nav__links a { font-size: 15px; font-weight: 500; color: var(--ink-soft); transition: color .2s; }
.nav__links a:hover { color: var(--green); }
.nav__burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__burger span { width: 22px; height: 2px; background: var(--green-deep); border-radius: 2px; transition: .25s; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 15px; padding: 13px 26px; border-radius: 999px;
  transition: transform .15s ease, box-shadow .2s, background .2s; cursor: pointer;
}
.btn--primary { background: var(--green); color: #fff; box-shadow: var(--shadow); }
.btn--primary:hover { background: var(--green-deep); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--green-deep); border: 1px solid var(--green); }
.btn--ghost:hover { background: var(--bg-soft); transform: translateY(-2px); }

/* ===== Hero ===== */
.hero { padding: 72px 0 84px; background:
  radial-gradient(120% 80% at 85% 0%, #eef3e6 0%, rgba(238,243,230,0) 55%),
  var(--bg); }
.hero__inner { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(38px, 6vw, 64px); margin: 20px 0 18px; }
.lead { font-size: 18px; color: var(--ink-soft); max-width: 520px; }
.hero__cta { display: flex; gap: 14px; margin: 30px 0 36px; flex-wrap: wrap; }

.stats { list-style: none; display: flex; gap: 34px; flex-wrap: wrap; }
.stats li { display: flex; flex-direction: column; }
.stats strong { font-family: "Fraunces", serif; font-size: 26px; color: var(--green-deep); }
.stats span { font-size: 13px; color: var(--ink-soft); }

/* ===== Phone mockup ===== */
.hero__device { display: flex; justify-content: center; }
.phone {
  position: relative; width: 270px; height: 552px; background: #1d2a20;
  border-radius: 42px; padding: 12px; box-shadow: 0 40px 80px -30px rgba(44,77,49,.55);
}
.phone__notch { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); width: 110px; height: 24px; background: #1d2a20; border-radius: 0 0 16px 16px; z-index: 3; }
.phone__screen { width: 100%; height: 100%; background: var(--bg); border-radius: 32px; overflow: hidden; }
.mini { padding: 40px 18px 18px; }
.mini__title { font-family: "Fraunces", serif; font-size: 24px; font-weight: 600; color: var(--green-deep); }
.mini__sub { font-size: 12px; color: var(--ink-soft); margin-bottom: 14px; }
.mini__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 14px; }
.mini__stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.mini__stat b { display: block; font-family: "Fraunces", serif; font-size: 20px; color: var(--green); }
.mini__stat span { font-size: 11px; color: var(--ink-soft); }
.mini__row { display: flex; gap: 10px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 9px 11px; margin-bottom: 8px; }
.mini__row b { display: block; font-size: 12px; font-weight: 600; font-family: "Inter",sans-serif; }
.mini__row i { font-size: 11px; color: var(--ink-soft); font-style: normal; }
.dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.dot--green { background: var(--green-bright); }
.dot--amber { background: var(--amber); }

/* ===== Sections ===== */
.section { padding: 88px 0; }
.section--demo { background: var(--bg-soft); }
.section--about { background: linear-gradient(180deg, var(--bg) 0%, #eef3e6 100%); }
.section--privacy { background: var(--bg); }
.section--contact { background: var(--bg-soft); }
.section__title { font-size: clamp(28px, 4vw, 42px); text-align: center; max-width: 760px; margin: 0 auto 18px; }
.section__intro { text-align: center; color: var(--ink-soft); max-width: 640px; margin: 0 auto 48px; font-size: 17px; }

/* ===== Feature cards ===== */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card__num { font-family: "Fraunces", serif; font-size: 14px; font-weight: 600; color: var(--green-bright); }
.card h3 { font-size: 20px; margin: 10px 0 8px; }
.card p { font-size: 15px; color: var(--ink-soft); }

/* ===== Demo ===== */
.demo { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 28px; align-items: stretch; max-width: 920px; margin: 0 auto; }
.demo__stage { background: linear-gradient(180deg, #eaf1e2 0%, #e0ead6 100%); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; }
.demo__panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.demo__desc { color: var(--ink-soft); min-height: 72px; font-size: 15px; }
.demo__params { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 18px 0; }
.param { background: var(--bg-soft); border-radius: var(--radius-sm); padding: 10px 14px; }
.param span { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); }
.param b { font-family: "Fraunces", serif; font-size: 17px; color: var(--green-deep); }

.demo__slider { width: 100%; margin: 6px 0 4px; accent-color: var(--green); height: 6px; cursor: pointer; }
.demo__track { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-soft); margin-bottom: 18px; }
.demo__score { display: flex; align-items: center; gap: 12px; }
.demo__score > span { font-size: 13px; color: var(--ink-soft); white-space: nowrap; }
.bar { flex: 1; height: 8px; background: var(--bg-soft); border-radius: 999px; overflow: hidden; }
.bar__fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--green-bright), var(--green)); border-radius: 999px; transition: width .4s ease; }
.demo__score b { font-family: "Fraunces", serif; color: var(--green-deep); min-width: 42px; text-align: right; }
.demo__note { font-size: 12px; color: var(--ink-soft); margin-top: 16px; font-style: italic; }
.demo__stagelabel { text-align: center; margin-top: 18px; }
.demo__stagelabel b { font-family: "Fraunces", serif; font-size: 22px; color: var(--green-deep); display: block; }
.demo__stagelabel i { font-size: 12px; color: var(--ink-soft); font-style: normal; }

/* plant illustration */
.plant { position: relative; width: 160px; height: 280px; }
.plant__soil { position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 150px; height: 30px; background: #8a6b4a; border-radius: 0 0 14px 14px; }
.plant__soil::after { content: ""; position: absolute; top: -6px; left: 0; width: 100%; height: 10px; background: #9c7a55; border-radius: 8px; }
.plant__seed { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%) scale(1); width: 14px; height: 18px; background: #6e4e2e; border-radius: 50% 50% 50% 50%/60% 60% 40% 40%; transition: .5s; z-index: 2; }
.plant__stem { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); width: 6px; height: 0; background: var(--green-bright); border-radius: 4px; transition: height .6s ease; }
.plant__leaf { position: absolute; left: 50%; width: 0; height: 0; background: var(--green); border-radius: 0 80% 0 80%; transition: .6s ease; opacity: 0; }
.plant__leaf--l { transform-origin: bottom right; }
.plant__leaf--r { border-radius: 80% 0 80% 0; transform-origin: bottom left; }
.plant__leaf--top { border-radius: 50% 50% 50% 50%; }
.plant__fruit { position: absolute; left: 50%; width: 0; height: 0; background: #d8693f; border-radius: 50%; transition: .5s ease; opacity: 0; }

/* stages drive the plant via data-stage */
.plant[data-stage="0"] .plant__seed { opacity: 1; }
.plant[data-stage="1"] .plant__seed { transform: translateX(-50%) translateY(4px); }
.plant[data-stage="1"] .plant__stem { height: 18px; }
.plant[data-stage="2"] .plant__stem { height: 60px; }
.plant[data-stage="2"] .plant__leaf--l { width: 26px; height: 16px; bottom: 70px; transform: translateX(-26px) rotate(-15deg); opacity: 1; }
.plant[data-stage="2"] .plant__leaf--r { width: 26px; height: 16px; bottom: 70px; transform: translateX(0) rotate(15deg); opacity: 1; }
.plant[data-stage="3"] .plant__stem { height: 120px; }
.plant[data-stage="3"] .plant__leaf--l { width: 40px; height: 24px; bottom: 90px; transform: translateX(-40px) rotate(-18deg); opacity: 1; }
.plant[data-stage="3"] .plant__leaf--r { width: 40px; height: 24px; bottom: 90px; transform: translateX(0) rotate(18deg); opacity: 1; }
.plant[data-stage="3"] .plant__leaf--top { width: 30px; height: 22px; bottom: 130px; transform: translateX(-15px); opacity: 1; }
.plant[data-stage="4"] .plant__stem { height: 180px; }
.plant[data-stage="4"] .plant__leaf--l { width: 54px; height: 30px; bottom: 120px; transform: translateX(-52px) rotate(-20deg); opacity: 1; }
.plant[data-stage="4"] .plant__leaf--r { width: 54px; height: 30px; bottom: 120px; transform: translateX(0) rotate(20deg); opacity: 1; }
.plant[data-stage="4"] .plant__leaf--top { width: 44px; height: 34px; bottom: 188px; transform: translateX(-22px); opacity: 1; }
.plant[data-stage="5"] .plant__stem { height: 190px; }
.plant[data-stage="5"] .plant__leaf--l { width: 54px; height: 30px; bottom: 120px; transform: translateX(-52px) rotate(-20deg); opacity: 1; }
.plant[data-stage="5"] .plant__leaf--r { width: 54px; height: 30px; bottom: 120px; transform: translateX(0) rotate(20deg); opacity: 1; }
.plant[data-stage="5"] .plant__leaf--top { width: 44px; height: 34px; bottom: 198px; transform: translateX(-22px); opacity: 1; }
.plant[data-stage="5"] .plant__fruit--1 { width: 22px; height: 22px; bottom: 150px; transform: translateX(-44px); opacity: 1; }
.plant[data-stage="5"] .plant__fruit--2 { width: 22px; height: 22px; bottom: 140px; transform: translateX(26px); opacity: 1; }

/* ===== About ===== */
.about { display: flex; flex-direction: column; gap: 20px; }
.about p { font-size: 17px; color: var(--ink); }
.about__emoji { display: inline-block; margin-right: 8px; }
.about__tagline { text-align: center; font-family: "Fraunces", serif; font-size: 22px; color: var(--green-deep); margin-top: 36px; font-style: italic; }

/* ===== Privacy ===== */
.privacy__date { text-align: center; color: var(--ink-soft); font-size: 14px; margin-bottom: 36px; }
.privacy { list-style: none; counter-reset: p; display: flex; flex-direction: column; gap: 22px; }
.privacy li { counter-increment: p; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 22px 24px; position: relative; }
.privacy li::before { content: "0" counter(p); font-family: "Fraunces", serif; font-size: 13px; font-weight: 600; color: var(--green-bright); }
.privacy h3 { font-size: 18px; margin: 4px 0 6px; }
.privacy p { font-size: 15px; color: var(--ink-soft); }
.privacy a { color: var(--green); text-decoration: underline; }

/* ===== Contact ===== */
.contact__reply { text-align: center; color: var(--ink-soft); font-size: 14px; margin-bottom: 32px; }
.contact__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.contact__card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; text-align: center; transition: transform .2s, box-shadow .2s; }
.contact__card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.contact__card span { display: block; font-size: 13px; color: var(--ink-soft); margin-bottom: 8px; }
.contact__card b { font-size: 15px; color: var(--green-deep); word-break: break-all; }

/* ===== Footer ===== */
.footer { background: var(--green-deep); color: #e7ecdf; padding: 48px 0; }
.footer__inner { display: flex; flex-direction: column; align-items: center; gap: 18px; text-align: center; }
.brand--footer { color: #fff; }
.footer__links { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.footer__links a { color: #c5d2c0; font-size: 14px; transition: color .2s; }
.footer__links a:hover { color: #fff; }
.footer__copy { font-size: 13px; color: #9fb19c; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__copy { order: 2; }
  .hero__device { order: 1; }
  .lead { margin-inline: auto; }
  .hero__cta, .stats { justify-content: center; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .demo { grid-template-columns: 1fr; }
  .demo__stage { min-height: 320px; }
  .contact__grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav__links {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--bg);
    border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
  }
  .nav__links.open { max-height: 320px; }
  .nav__links a { padding: 14px 24px; border-top: 1px solid var(--line); }
  .nav__burger { display: flex; }
  .nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__burger.open span:nth-child(2) { opacity: 0; }
  .nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .cards { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .demo__params { grid-template-columns: 1fr 1fr; }
}