/* ============================================================
   R Mobile Hub — prelaunch site
   Flipkart-style marketplace UI · off-green + off-black branding
   ============================================================ */
:root {
  /* brand */
  --green: #3f8f2f;          /* off-green — primary brand (top bar, accents, prices) */
  --green-dark: #327125;     /* hover / pressed */
  --green-050: #eef6ea;      /* pale green tint */
  --green-100: #dcedd3;
  --ink: #1d211b;            /* off-black — secondary brand (footer, buttons, headings) */
  --ink-2: #2b2f28;
  --ink-3: #3a3f36;

  /* surfaces */
  --bg: #f1f3f6;             /* page background */
  --card: #ffffff;
  --border: #e4e6ea;
  --border-2: #d9dce1;

  /* text */
  --text: #212121;
  --text-dim: #565a5f;
  --text-faint: #878b91;
  --on-green: #ffffff;

  /* shadow */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow: 0 1px 4px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);

  /* layout */
  --font: "Roboto", system-ui, -apple-system, Segoe UI, Arial, sans-serif;
  --container: 1200px;
  --radius: 8px;
  --radius-sm: 4px;
  --topbar-h: 58px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ============================================================
   Reset & base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 120px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 15px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul { list-style: none; padding: 0; }
h1, h2, h3, h4 { line-height: 1.2; }

:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; border-radius: 3px; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 16px; }

.skip-link {
  position: absolute; left: -999px; top: 8px; z-index: 300;
  background: var(--green); color: #fff; padding: 10px 16px; border-radius: 6px; font-weight: 700;
}
.skip-link:focus { left: 16px; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px; border-radius: var(--radius-sm); border: 1px solid transparent;
  font-weight: 700; font-size: 0.92rem; letter-spacing: 0.2px; white-space: nowrap;
  transition: background 0.18s, color 0.18s, border-color 0.18s, box-shadow 0.18s, transform 0.12s;
}
.btn:active { transform: translateY(1px); }
.btn--lg { padding: 14px 28px; font-size: 1rem; }

.btn--green { color: #fff; background: var(--green); box-shadow: var(--shadow-sm); }
.btn--green:hover { background: var(--green-dark); box-shadow: var(--shadow); }

.btn--outline { color: #fff; background: transparent; border-color: rgba(255,255,255,0.55); }
.btn--outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; }

.btn--light { color: var(--green); background: #fff; box-shadow: var(--shadow-sm); }
.btn--light:hover { background: var(--green-050); }

/* ============================================================
   Header — top bar (green) + category strip (white)
   ============================================================ */
.site-header { position: sticky; top: 0; z-index: 100; }

.topbar { background: var(--green); box-shadow: var(--shadow); }
.topbar__inner {
  display: flex; align-items: center; gap: 16px;
  min-height: var(--topbar-h); flex-wrap: wrap;
}

/* Brand */
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; }
.brand__mark {
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 8px;
  background: #fff; color: var(--green);
  font-weight: 900; font-size: 1.25rem; line-height: 1;
  box-shadow: var(--shadow-sm);
}
.brand__text { display: flex; flex-direction: column; font-weight: 700; font-size: 1.12rem; letter-spacing: 0.2px; }
.brand__tag {
  font-size: 0.66rem; font-weight: 500; font-style: italic;
  color: rgba(255,255,255,0.85); letter-spacing: 0.3px; margin-top: -1px;
}
.brand__tag span { color: #bfe6b0; font-style: normal; }

/* Search */
.search {
  position: relative; flex: 1 1 320px; min-width: 0;
  display: flex; align-items: center;
  background: #fff; border-radius: var(--radius-sm); box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.search__icon { display: grid; place-items: center; padding-left: 12px; color: var(--green); }
.search__input {
  flex: 1; min-width: 0; border: 0; background: none;
  padding: 11px 12px; font-size: 0.95rem; color: var(--text);
}
.search__input:focus { outline: none; }
.search__input::placeholder { color: #9aa0a6; }
.search__btn {
  border: 0; background: var(--ink); color: #fff;
  padding: 0 20px; align-self: stretch; font-weight: 700; font-size: 0.9rem;
  transition: background 0.18s;
}
.search__btn:hover { background: #000; }
.search__note {
  position: absolute; top: calc(100% + 8px); left: 0; z-index: 20;
  background: var(--ink); color: #fff; font-size: 0.8rem; font-weight: 500;
  padding: 8px 12px; border-radius: 6px; box-shadow: var(--shadow-lg); white-space: nowrap;
}
.search__note::before {
  content: ""; position: absolute; top: -5px; left: 18px;
  border: 5px solid transparent; border-top: 0; border-bottom-color: var(--ink);
}

/* Nav */
.nav { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.nav__link { color: #fff; font-weight: 500; font-size: 0.95rem; opacity: 0.92; transition: opacity 0.18s; }
.nav__link:hover { opacity: 1; text-decoration: underline; text-underline-offset: 4px; }
.nav__cta { padding: 8px 18px; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px; margin-left: auto; }
.nav-toggle span { width: 24px; height: 2px; border-radius: 2px; background: #fff; transition: transform 0.3s var(--ease), opacity 0.2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Category strip */
.catstrip { background: var(--card); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.catstrip__inner { display: flex; align-items: center; gap: 6px; overflow-x: auto; scrollbar-width: none; }
.catstrip__inner::-webkit-scrollbar { display: none; }
.catstrip__item {
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  padding: 12px 14px; font-size: 0.9rem; font-weight: 500; color: var(--text);
  border-bottom: 3px solid transparent; transition: color 0.18s, border-color 0.18s;
}
.catstrip__item:hover { color: var(--green); border-bottom-color: var(--green); }
.catstrip__ico { font-size: 1.1rem; }

/* Mobile nav */
.mobile-nav { display: flex; flex-direction: column; gap: 4px; padding: 8px 16px 18px; background: var(--green-dark); }
.mobile-nav__link { padding: 12px 4px; font-size: 1rem; font-weight: 500; color: #fff; border-bottom: 1px solid rgba(255,255,255,0.15); }
.mobile-nav__cta { margin-top: 12px; }

/* ============================================================
   Shared bits
   ============================================================ */
.pulse-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: currentColor; box-shadow: 0 0 0 0 currentColor; animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255,255,255,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(255,255,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
}

.section { padding-top: 16px; }
.section:first-of-type { padding-top: 0; }

/* White content panel (Flipkart card) */
.panel { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px 20px; }
.panel__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.panel__title { font-size: 1.4rem; font-weight: 700; color: var(--text); }
.panel__sub { color: var(--text-faint); font-size: 0.9rem; }
.panel__link { color: var(--green); font-weight: 700; font-size: 0.82rem; letter-spacing: 0.5px; }
.panel__link:hover { text-decoration: underline; }

/* ============================================================
   Hero banner
   ============================================================ */
.hero { margin-top: 16px; }
.banner {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 1.2fr 0.8fr; align-items: center; gap: 20px;
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(63,143,47,0.35), transparent 55%),
    linear-gradient(120deg, var(--ink) 0%, #232823 55%, #1a2a17 100%);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  padding: clamp(28px, 5vw, 56px);
  color: #fff;
}
.banner__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: #bfe6b0; font-weight: 700; font-size: 0.8rem; letter-spacing: 0.16em; text-transform: uppercase;
}
.banner__title { font-size: clamp(1.9rem, 4.6vw, 3.3rem); font-weight: 900; letter-spacing: -0.01em; margin: 14px 0 16px; }
.banner__title .hl { color: #8fdc78; }
.banner__lead { color: rgba(255,255,255,0.82); font-size: clamp(0.98rem, 1.4vw, 1.1rem); max-width: 520px; }
.banner__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* Banner device art */
.banner__art { position: relative; justify-self: center; }
.device { position: relative; animation: bob 6s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translateY(0) rotate(3deg); } 50% { transform: translateY(-14px) rotate(3deg); } }
.device__frame {
  width: 190px; height: 380px; border-radius: 30px; padding: 9px;
  background: linear-gradient(160deg, #f6f8f6, #dfe4df);
  box-shadow: 0 30px 60px rgba(0,0,0,0.45), inset 0 0 0 2px rgba(0,0,0,0.05);
}
.device__notch { width: 74px; height: 18px; margin: 0 auto 8px; border-radius: 0 0 12px 12px; background: #cfd6cf; }
.device__screen {
  height: calc(100% - 26px); border-radius: 22px; background: #fff;
  border: 1px solid #e7ebe7; padding: 14px; display: flex; flex-direction: column; gap: 12px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.02);
}
.device__banner { height: 92px; border-radius: 10px; background: linear-gradient(120deg, var(--green), #6bbf52); }
.device__row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.device__row span { aspect-ratio: 1; border-radius: 10px; background: var(--green-050); border: 1px solid var(--green-100); }
.device__bar { height: 30px; border-radius: 8px; background: #eef1f4; margin-top: auto; }

.art-chip {
  position: absolute; padding: 9px 14px; background: #fff; color: var(--text);
  border-radius: 999px; font-size: 0.8rem; font-weight: 700; white-space: nowrap;
  box-shadow: var(--shadow-lg);
}
.art-chip--1 { top: 6%; left: -34px; animation: bob 5s ease-in-out infinite; }
.art-chip--2 { bottom: 10%; right: -30px; animation: bob 7s ease-in-out infinite reverse; }

/* ============================================================
   Perks strip
   ============================================================ */
.perks {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px 14px; margin-top: 16px;
}
.perk { display: flex; align-items: center; gap: 12px; padding: 4px 8px; }
.perk + .perk { border-left: 1px solid var(--border); }
.perk__ico {
  flex-shrink: 0; display: grid; place-items: center; width: 42px; height: 42px;
  border-radius: 50%; color: var(--green); background: var(--green-050);
}
.perk span:last-child { display: flex; flex-direction: column; line-height: 1.3; }
.perk strong { font-size: 0.92rem; font-weight: 700; }
.perk small { font-size: 0.78rem; color: var(--text-faint); }

/* ============================================================
   Category grid
   ============================================================ */
.cat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.cat-card {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 8px;
  padding: 20px 12px; border: 1px solid var(--border); border-radius: var(--radius);
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}
.cat-card:hover { border-color: var(--green); box-shadow: var(--shadow); transform: translateY(-3px); }
.cat-card__ico {
  display: grid; place-items: center; width: 60px; height: 60px; border-radius: 50%;
  background: var(--green-050); font-size: 1.7rem; margin-bottom: 2px;
}
.cat-card h3 { font-size: 0.95rem; font-weight: 700; color: var(--text); }
.cat-card p { font-size: 0.78rem; color: var(--text-faint); }

/* ============================================================
   Feature grid
   ============================================================ */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.feature {
  padding: 22px 18px; border: 1px solid var(--border); border-radius: var(--radius);
  transition: border-color 0.18s, box-shadow 0.18s;
}
.feature:hover { border-color: var(--green-100); box-shadow: var(--shadow); }
.feature__ico {
  display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px;
  color: var(--green); background: var(--green-050); margin-bottom: 14px;
}
.feature h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 6px; }
.feature p { color: var(--text-dim); font-size: 0.88rem; }

/* ============================================================
   Countdown
   ============================================================ */
.countdown { text-align: center; }
.countdown__eyebrow { color: var(--green); font-weight: 700; font-size: 0.78rem; letter-spacing: 0.18em; text-transform: uppercase; }
.countdown__title { font-size: clamp(1.5rem, 3.5vw, 2.2rem); font-weight: 900; margin: 8px 0 6px; }
.countdown__timer { display: flex; align-items: flex-start; justify-content: center; gap: clamp(8px, 2vw, 18px); margin: 22px 0 16px; }
.cd-unit {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  min-width: clamp(64px, 14vw, 110px); padding: clamp(12px, 2.5vw, 20px) clamp(8px, 2vw, 16px);
  background: var(--ink); border-radius: var(--radius); color: #fff;
}
.cd-unit__num { font-size: clamp(1.9rem, 6vw, 3.2rem); font-weight: 900; line-height: 1; color: #8fdc78; font-variant-numeric: tabular-nums; }
.cd-unit__label { font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.16em; color: rgba(255,255,255,0.7); }
.cd-sep { font-size: clamp(1.6rem, 4vw, 2.6rem); font-weight: 900; color: var(--border-2); padding-top: clamp(10px, 2.5vw, 24px); }
.countdown__note { color: var(--text-dim); font-size: 0.95rem; }

/* ============================================================
   Follow
   ============================================================ */
.follow { text-align: center; }
.follow__title { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 900; margin-bottom: 10px; }
.follow__sub { color: var(--text-dim); max-width: 520px; margin: 0 auto 22px; font-size: 1rem; }
.socials { display: flex; justify-content: center; gap: 12px; }
.social {
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%;
  color: var(--green); background: var(--green-050); border: 1px solid var(--green-100);
  transition: background 0.18s, color 0.18s, transform 0.18s;
}
.social:hover { background: var(--green); color: #fff; transform: translateY(-3px); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { margin-top: 28px; background: var(--ink); color: rgba(255,255,255,0.72); }
.footer-grid {
  display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 28px;
  padding: 40px 16px 32px;
}
.footer-col h4 { color: rgba(255,255,255,0.5); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 14px; }
.footer-col a { display: block; color: rgba(255,255,255,0.72); font-size: 0.88rem; padding: 4px 0; transition: color 0.18s; }
.footer-col a:hover { color: #8fdc78; }
.brand--footer { color: #fff; }
.brand--footer .brand__mark { background: var(--green); color: #fff; }
.footer-brand__tag { margin-top: 14px; font-size: 0.86rem; line-height: 1.6; max-width: 320px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); }
.footer-bottom__inner {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px;
  padding: 18px 16px; font-size: 0.82rem; color: rgba(255,255,255,0.55);
}

/* ============================================================
   Reveal animation
   ============================================================ */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.55s var(--ease), transform 0.55s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1000px) {
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 880px) {
  .banner { grid-template-columns: 1fr; }
  .banner__art { display: none; }
  .perks { grid-template-columns: repeat(2, 1fr); }
  .perk:nth-child(3) { border-left: 0; }
}

@media (max-width: 760px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .topbar__inner { padding-block: 8px; }
  .brand { order: 1; }
  .nav-toggle { order: 2; }
  .search { order: 3; flex-basis: 100%; }
}

@media (max-width: 620px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .perks { grid-template-columns: 1fr; }
  .perk + .perk { border-left: 0; border-top: 1px solid var(--border); padding-top: 12px; margin-top: 4px; }
  .perk:nth-child(3) { border-top: 1px solid var(--border); }
  .cd-sep { display: none; }
  .countdown__timer { flex-wrap: wrap; gap: 10px; }
  .cd-unit { flex: 1 1 40%; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 22px; }
  .footer-col--brand { grid-column: 1 / -1; }
}

@media (min-width: 761px) { .mobile-nav { display: none !important; } }

/* ============================================================
   Motion preferences
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important; scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}