/* ---------- THEME TOKENS ---------- */
:root {
  /* default (light) */
  --backgroundColor1: #ffffff;
  --backgroundColor2: #f1f4f6;
  --backgroundColor3: #1f7a8c;
  --backgroundColor4: #ffffff;
  --backgroundColor5: #f1f4f6;
  --annuelSubBgColor: rgba(252, 202, 80, 0.25);
  --modalBackground: rgba(31, 122, 140, 0.4);
  --inputBackgroundColor: #f1f4f6;
  --primaryColor: #1f7a8c;
  --secondaryColor: #f4d35e;
  --thirdaryColor: #145561;
  --goldenColor: #ffd54f;
  --deleteColor: #c62828;
  --semantic1: #66bb6a;
  --semantic2: #409feb;
  --buttonTextColor: #ffffff;
  --textColorPrimary: rgba(40, 43, 59, 1);
  --textColorSecondary: rgba(40, 43, 59, 0.75);
  --textColorDisable: rgba(40, 43, 59, 0.5);
  --textColorThin: rgba(40, 43, 59, 0.15);
  --borderColor: rgba(40, 43, 59, 0.2);
  --borderColor2: #dddddd;

  --card: #ffffff;
  --shadow: 0 1rem 3rem rgba(0, 0, 0, 0.08);
  --ring: rgba(31, 122, 140, 0.25);
}
:root[data-theme="dark"] {
  --backgroundColor1: #102a32;
  --backgroundColor2: #191b27;
  --backgroundColor3: #ffffff;
  --backgroundColor4: #102a32;
  --backgroundColor5: #191b27;
  --modalBackground: rgba(31, 122, 140, 0.4);
  --inputBackgroundColor: #191b27;
  --primaryColor: #ffd54f;
  --secondaryColor: #1f7a8c;
  --thirdaryColor: #f4d35e;
  --goldenColor: #ffd54f;
  --deleteColor: #ef5350;
  --semantic1: #66bb6a;
  --semantic2: #409feb;
  --buttonTextColor: #145561;
  --textColorPrimary: #ffffff;
  --textColorSecondary: rgba(255, 255, 255, 0.75);
  --textColorDisable: rgba(255, 255, 255, 0.5);
  --textColorThin: rgba(255, 255, 255, 0.15);
  --borderColor: rgba(255, 255, 255, 0.2);
  --borderColor2: #e8cb0f48;

  --card: #132d36;
  --ring: rgba(255, 213, 79, 0.25);
  --shadow: 0 1.2rem 3.2rem rgba(0, 0, 0, 0.35);
}

/* ---------- BASE ---------- */
* {
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
} /* 1rem = 10px */

html,
body {
  margin: 0;
  padding: 0 2rem;
}

body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial,
    sans-serif;
  color: var(--textColorPrimary);
  background: linear-gradient(
    180deg,
    var(--backgroundColor1) 0%,
    var(--backgroundColor2) 100%
  );
  line-height: 1.6;
  font-size: 1.6rem; /* 16px */
}

.container {
  max-width: 112rem; /* 1120px */
  margin: 0 auto;
  padding: 0 2rem;
}

section > .container {
  padding-left: 2rem;
  padding-right: 2rem;
}

@media (max-width: 480px) {
  section > .container {
    padding-left: 1.6rem;
    padding-right: 1.6rem;
  }
}

/* ---------- TOP BAR ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  justify-content: space-between;
  padding: 1.6rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
}
.brand-logo {
  height: 5rem;
  border-radius: 0.8rem;
}

/* show/hide logos by theme */
.light-only {
  display: inline-block;
}
.dark-only {
  display: none;
}
:root[data-theme="dark"] .light-only {
  display: none;
}
:root[data-theme="dark"] .dark-only {
  display: inline-block;
}

/* optional: keeps layout tidy */
.logo-wrap {
  display: inline-grid;
  place-items: center;
}
.brand-logo {
  vertical-align: middle;
}

.nav {
  display: flex;
  gap: 1.8rem;
}
.nav a {
  color: var(--textColorSecondary);
  text-decoration: none;
  font-weight: 600;
}
.nav a:hover {
  color: var(--primaryColor);
}

.cta-wrap {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.menu {
  display: none;
  background: none;
  border: none;
  font-size: 2.2rem;
  color: var(--textColorPrimary);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 1.2rem;
  padding: 1rem 1.4rem;
  font-weight: 700;
  border: 0.1rem solid transparent; /* 1px */
  transition: transform 0.08s ease, box-shadow 0.2s ease, background 0.2s;
  font-size: 1.4rem;
}
.btn.lg {
  padding: 1.4rem 1.8rem;
  font-size: 1.6rem;
}
.btn.solid {
  background: var(--primaryColor);
  color: var(--buttonTextColor);
  box-shadow: 0 0.6rem 1.8rem var(--ring);
}
.btn.solid:hover {
  transform: translateY(-0.1rem);
}
.btn.ghost {
  background: transparent;
  border-color: var(--borderColor);
  color: var(--primaryColor);
}
.btn.ghost:hover {
  border-color: var(--primaryColor);
}

/* ---------- HERO ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.6rem;
  align-items: center;
  padding: 4.8rem 0 1.8rem;
}
.hero h1 {
  font-family: Roboto, Inter, sans-serif;
  font-size: clamp(2rem, 3.2vw, 3rem);
  line-height: 1.1;
  margin: 0 0 1rem;
}
.hero .lead {
  font-size: 1.6rem;
  color: var(--textColorSecondary);
  max-width: 56ch;
}
.hero .accent {
  color: var(--secondaryColor);
}
.hero-cta {
  display: flex;
  gap: 1.2rem;
  margin: 1.8rem 0;
}

.hero-bullets {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  color: var(--textColorSecondary);
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
}
.hero-bullets li::before {
  content: "✓ ";
  color: var(--primaryColor);
  font-weight: 800;
}

.hero-media {
  display: flex;
  justify-content: center;
}
.mockup {
  width: min(52rem, 90%);
  background: var(--card);
  border-radius: 1.6rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 0.1rem solid var(--borderColor);
}
.mockup-top {
  display: flex;
  gap: 0.6rem;
  padding: 1rem 1.2rem;
  background: var(--backgroundColor2);
}
.mockup-top .dot {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--textColorThin);
}
.mockup-body {
  padding: 1.8rem;
}
.mockup-body h3 {
  margin: 0 0 0.6rem;
}
.mockup-body p {
  margin: 0 0 1.2rem;
  color: var(--textColorSecondary);
}
.mockup-body .lines {
  margin: 0 0 1.2rem 1.8rem;
}
.mockup-body .total {
  margin-top: 1.2rem;
  font-weight: 800;
  color: var(--thirdaryColor);
}

/* ---------- TRUST ---------- */
.trust {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.2rem;
  padding: 1.4rem 0 2.4rem;
  color: var(--textColorSecondary);
}
.pill {
  background: var(--card);
  border: 0.1rem solid var(--borderColor);
  padding: 0.6rem 1rem;
  border-radius: 99.9rem;
  box-shadow: var(--shadow);
  text-align: center;
}
.sep {
  opacity: 0.5;
}

/* ---------- FEATURES ---------- */
.features {
  padding: 3.8rem 0;
}
.features h2 {
  font-size: 1.8rem;
  margin-bottom: 1.8rem;
}
.features .grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}
.card {
  background: var(--card);
  border: 0.1rem solid var(--borderColor);
  padding: 1.8rem;
  border-radius: 1.4rem;
  box-shadow: var(--shadow);
}
.card h3 {
  margin: 0 0 0.6rem;
}
.card p {
  margin: 0;
  color: var(--textColorSecondary);
}

/* ---------- HOW IT WORKS ---------- */
.hiw {
  padding: 1.8rem 0 3.4rem;
}
.hiw h2 {
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
}
.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}
.steps li {
  background: var(--card);
  border: 0.1rem solid var(--borderColor);
  border-radius: 1.2rem;
  padding: 1.4rem 1.4rem 1.4rem 4.8rem;
  position: relative;
}
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 1.4rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--primaryColor);
  color: var(--buttonTextColor);
  font-weight: 800;
  font-size: 0.9rem;
}

/* ---------- INSIGHTS ---------- */
.insights {
  padding: 0.6rem 0 4rem;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
  margin: 1.2rem 0 0.6rem;
}
.stat {
  background: var(--card);
  border: 0.1rem solid var(--borderColor);
  border-radius: 1.4rem;
  padding: 1.6rem;
  box-shadow: var(--shadow);
}
.kpi-title {
  display: block;
  color: var(--textColorSecondary);
  font-size: 1.5rem; /* 0.95rem was ~15px; choose 1.5rem for clarity */
  margin-bottom: 0.6rem;
}
.kpi-value {
  font-family: Roboto, Inter, sans-serif;
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--thirdaryColor);
}
.muted {
  color: var(--textColorSecondary);
  font-size: 1.4rem; /* 0.9rem -> 14px */
}

/* ---------- DEMO ---------- */
.demo {
  padding: 2.4rem 0 4rem;
}
.demo-card {
  background: linear-gradient(
    135deg,
    var(--thirdaryColor),
    var(--primaryColor)
  );
  color: #fff;
  border-radius: 1.6rem;
  padding: 2.8rem;
  box-shadow: var(--shadow);
  text-align: center;
}
.demo-card p {
  opacity: 0.9;
}

/* ---------- DOWNLOAD ---------- */
.download {
  padding: 1.2rem 0 3.6rem;
}
.store-grid {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}
.store-badge img {
  display: block;
  height: 6.4rem;
  width: auto;
  filter: drop-shadow(0 0.6rem 1.4rem var(--ring));
}
.store-badge.playstore {
  color: var(--primaryColor);
}
.store-badge svg {
  width: 18rem;
  height: 5.4rem;
  filter: drop-shadow(0 0.6rem 1.4rem var(--ring));
}

/* ---------- FAQ ---------- */
.faq {
  padding: 1rem 0 4rem;
}
.faq details {
  background: var(--card);
  border: 0.1rem solid var(--borderColor);
  border-radius: 1.2rem;
  padding: 1.2rem;
  margin-bottom: 1rem;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--thirdaryColor);
}
.faq p {
  margin: 1rem 0 0;
  color: var(--textColorSecondary);
}

/* ---------- FOOTER ---------- */
.footer {
  margin-top: 2.4rem;
  border-top: 0.1rem solid var(--borderColor);
  background: var(--backgroundColor4);
  padding: 0 2rem;
}
.foot-grid {
  display: flex;
  justify-content: space-between;
  gap: 1.8rem;
  padding: 2rem 0;
}
.foot-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(16rem, 1fr));
  column-gap: 2.4rem;
  row-gap: 0.8rem;
  align-content: start;
}
.foot-links a {
  color: var(--textColorSecondary);
  text-decoration: none;
  white-space: nowrap;
}
.foot-links a:hover {
  color: var(--primaryColor);
}
.foot-note {
  color: var(--textColorSecondary);
  max-width: 36ch;
}
.foot-bottom {
  border-top: 0.1rem solid var(--borderColor);
  padding: 1.2rem;
  color: var(--textColorDisable);
  text-align: center;
}

/* ---------- lang selector ---------- */
.lang-select {
  position: relative;
}
.lang-btn {
  background: transparent;
  border: 0.1rem solid var(--borderColor);
  color: var(--textColorPrimary);
  padding: 0.8rem 1rem;
  border-radius: 1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}
.lang-btn .fa-globe {
  font-size: 1.6rem;
}
.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.8rem);
  background: var(--backgroundColor4);
  border: 0.1rem solid var(--borderColor);
  border-radius: 1.2rem;
  box-shadow: var(--shadow);
  list-style: none;
  margin: 0;
  padding: 0.6rem;
  min-width: 16rem;
  display: none;
  z-index: 30;
}
.lang-menu li {
  margin: 0;
}
.lang-menu a {
  display: block;
  padding: 1rem 1.2rem;
  border-radius: 1rem;
  color: var(--textColorPrimary);
  text-decoration: none;
}
.lang-menu a:hover {
  background: var(--inputBackgroundColor);
}
.lang-select.open .lang-menu {
  display: block;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 960px) {
  .nav {
    display: none;
  }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 6.4rem;
    left: 0;
    right: 0;
    background: var(--backgroundColor4);
    padding: 1.2rem;
    border-top: 0.1rem solid var(--borderColor);
    box-shadow: var(--shadow);
    justify-content: center;
  }
  .menu {
    display: block;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }
  .features .grid {
    grid-template-columns: 1fr 1fr;
  }
  .stats {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .lang-select {
    margin-left: 0.8rem;
  }
}

@media (max-width: 560px) {
  .features .grid {
    grid-template-columns: 1fr;
  }
  .brand-logo {
    height: 4rem;
  }
  .foot-grid {
    flex-direction: column-reverse;
  }
  .trust {
    flex-direction: column;
    gap: 0.8rem;
    padding: 1.4rem 0 0;
  }
  .brand-container {
    display: flex;
    gap: 1.2rem;
    justify-content: space-between;
    align-items: center;
  }
  .store-badge img {
    height: 5rem;
    width: auto;
    filter: drop-shadow(0 0.6rem 1.4rem var(--ring));
  }
  .foot-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 0.5rem;
    row-gap: 0.5rem;
    align-content: start;
  }
  .foot-links a {
    display: block;
    width: 150px;
    white-space: normal;
    word-break: break-word;
  }
  .btn.lg {
    padding: 1rem 1.4rem;
  }
}