/* ==========================================================================
   نَماء — ورقة الأنماط الرئيسية
   اللوحات اللونية مستخرجة من docs/reference-design-spec.md
   ========================================================================== */

:root {
  /* الألوان */
  --bg: #F2F6FD;
  --surface: #FEFEFE;
  --features-bg: #E6EAFD;
  --primary: #384EE0;
  --primary-deep: #1629D4;
  --accent-violet: #6D54EC;
  --ink: #000007;
  --body-text: #1A2553;
  --muted: #6B7590;
  --line: #E3E9F6;

  --green: #39B288;
  --red: #EF454E;
  --blue: #1E5BEA;
  --bar: #6B74F0;

  /* الظلال */
  --shadow-soft: 0 10px 30px rgba(30, 41, 120, 0.08);
  --shadow-lift: 0 16px 40px rgba(30, 41, 120, 0.14);
  --shadow-btn: 0 10px 24px rgba(56, 78, 224, 0.30);

  /* الحواف */
  --radius-pill: 999px;
  --radius-card: 20px;

  --font: "Cairo", "Segoe UI", Tahoma, sans-serif;
}

/* ---------- إعادة الضبط الأساسية ---------- */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px; /* حتى لا يخفي الشريط العائم بداية الأقسام */
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--body-text);
  background: radial-gradient(120% 90% at 50% 0%, #F6F9FE 0%, var(--bg) 55%, #EFF4FB 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, p, ul, figure { margin: 0; }

ul { padding: 0; list-style: none; }

a { color: inherit; text-decoration: none; }

img, svg { display: block; max-width: 100%; }

.container {
  width: min(100% - 2.5rem, 1240px);
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 3px solid var(--accent-violet);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- مكوّنات مشتركة ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: inherit;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 0.9rem 1.9rem;
  cursor: pointer;
  transition: background-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.btn--primary {
  color: #fff;
  background: linear-gradient(180deg, #4157E8 0%, var(--primary) 100%);
  box-shadow: var(--shadow-btn);
}

.btn--primary:hover { background: var(--primary-deep); transform: translateY(-2px); }

.btn--ghost {
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.btn--ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn--sm { padding: 0.65rem 1.5rem; font-size: 0.92rem; }
.btn--lg { padding: 1rem 2.1rem; font-size: 1.05rem; }

.btn__arrow { font-size: 1.1em; transition: transform .2s ease; }
.btn--primary:hover .btn__arrow { transform: translateX(-4px); }
.btn--primary:hover .btn__arrow--start { transform: translateX(4px); }

.btn__play {
  display: inline-grid;
  place-items: center;
  width: 1.55rem; height: 1.55rem;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 0.6rem;
}

.badge {
  display: inline-block;
  width: fit-content;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-deep);
  background: #E4E8FE;
  border-radius: var(--radius-pill);
  padding: 0.35rem 1rem;
}

/* ---------- شريط التنقل ---------- */

.navbar {
  position: sticky;
  top: 0.75rem;
  z-index: 50;
  margin-top: 0.75rem;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 68px;
  background: rgba(254, 254, 254, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-soft);
  padding: 0.5rem 0.75rem 0.5rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--ink);
}

.brand__dot {
  width: 0.85rem; height: 0.85rem;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #9B87F5, var(--accent-violet));
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav__link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--body-text);
  transition: color .2s ease;
}

.nav__link:hover,
.nav__link.is-active { color: var(--primary); }

.navbar__actions { display: flex; align-items: center; gap: 0.75rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 42px; height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle__bar {
  width: 18px; height: 2px;
  margin-inline: auto;
  border-radius: 2px;
  background: var(--ink);
  transition: transform .2s ease, opacity .2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- قسم البطل ---------- */

.hero { padding-block: 4.5rem 6rem; }

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  align-items: center;
  gap: 3.5rem;
}

.hero__content { text-align: center; }

.hero__title {
  font-size: clamp(2.6rem, 5.5vw, 4rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--ink);
  margin-top: 1.4rem;
}

.hero__title span { display: block; }
.hero__title-accent { color: var(--primary-deep); }

.hero__lead {
  max-width: 46ch;
  margin: 1.5rem auto 0;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--body-text);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.25rem;
}

.hero__perks {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.75rem;
  margin-top: 2.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--body-text);
}

.perk { display: inline-flex; align-items: center; gap: 0.5rem; }
.perk__icon { font-size: 1.05rem; }

/* --- النموذج البصري (اللابتوب + النبتة) --- */

.hero__visual {
  display: flex;
  align-items: flex-end;
  gap: 1.5rem;
}

.laptop {
  flex: 1 1 auto;
  min-width: 0;
  width: min(100%, 560px);
  filter: drop-shadow(0 24px 40px rgba(30, 41, 120, 0.18));
}

.laptop__screen {
  aspect-ratio: 16 / 10.8;
  border: 10px solid #1C2030;
  border-bottom-width: 0;
  border-radius: 18px 18px 0 0;
  background: #FBFCFF;
  overflow: hidden;
}

.laptop__base {
  height: 14px;
  background: linear-gradient(180deg, #E4E7EE 0%, #C7CCD8 70%, #B2B8C6 100%);
  border-radius: 0 0 14px 14px;
  /* قيمة ثابتة بدل نسبة مئوية: كي لا تتجاوز القاعدة عرض الشاشة على الأجهزة الضيقة */
  margin: 0 -12px;
}

.dashboard {
  display: grid;
  grid-template-columns: 132px 1fr;
  height: 100%;
  font-size: 0.68rem;
  text-align: right;
}

.dashboard__side {
  background: #F4F6FE;
  border-inline-end: 1px solid #E8ECFA; /* الفاصل بين القائمة ولوحة المحتوى */
  padding: 0.75rem 0.85rem;
}

.dashboard__logo {
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--ink);
  margin-bottom: 1rem;
}

.dashboard__item {
  display: block;
  border-radius: 8px;
  padding: 0.35rem 0.6rem;
  margin-bottom: 0.3rem;
  color: var(--body-text);
}

.dashboard__item.is-current {
  background: #DEE3FD;
  color: var(--primary-deep);
  font-weight: 700;
}

.dashboard__main {
  padding: 0.9rem 1rem;
  min-width: 0;
  display: flex; /* كي يمتد المخطط لملء بقية ارتفاع الشاشة */
  flex-direction: column;
}

.dashboard__topbar { text-align: right; }

.dashboard__topbar-icons {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.45rem;
}

.dashboard__search,
.dashboard__bell {
  display: inline-grid;
  place-items: center;
  width: 1.35rem; height: 1.35rem;
  border-radius: 50%;
  font-size: 0.6rem;
  background: #EEF1FE;
}

.dashboard__bell { background: var(--accent-violet); }

.dashboard__greet {
  display: block;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--ink);
}

.dashboard__hint { color: var(--muted); font-size: 0.62rem; }

.dashboard__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-top: 0.8rem;
}

.stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.55rem 0.4rem;
  text-align: center;
  box-shadow: 0 4px 12px rgba(30, 41, 120, 0.05);
}

.stat__icon {
  display: inline-grid;
  place-items: center;
  width: 1.15rem; height: 1.15rem;
  border-radius: 50%;
  font-size: 0.55rem;
  color: #fff;
}

.stat--violet .stat__icon { background: var(--accent-violet); }
.stat--green .stat__icon { background: var(--green); }
.stat--blue .stat__icon { background: var(--blue); }

.stat__num {
  display: block;
  font-weight: 800;
  font-size: 1rem;
  color: var(--ink);
  line-height: 1.3;
}

.stat__label { font-size: 0.62rem; color: var(--muted); }

.chart {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem 0.9rem 0.9rem;
  margin-top: 0.8rem;
  box-shadow: 0 4px 12px rgba(30, 41, 120, 0.05);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.chart__title { font-weight: 700; color: var(--ink); margin-bottom: 0.6rem; }

.chart__bars {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 0.55rem;
  min-height: 56px;
}

.chart__bar {
  flex: 1;
  height: var(--h, 50%);
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, #8B92F5 0%, var(--bar) 100%);
}

/* --- بطاقة النبتة --- */

.plant-card {
  flex: 0 0 auto;
  width: 116px;
  margin-bottom: 1.5rem;
  background: var(--surface);
  border-radius: 16px;
  padding: 0.85rem 0.7rem;
  text-align: center;
  box-shadow: var(--shadow-lift);
  transform: rotate(-3deg);
}

.plant-card__pot { font-size: 1.9rem; display: block; }

.plant-card__text {
  margin-top: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--body-text);
}

/* ---------- قسم المميزات ---------- */

.features {
  background: var(--features-bg);
  padding-block: 5.5rem;
}

.section-head { text-align: center; max-width: 640px; margin-inline: auto; }

.section-head__title {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  font-weight: 900;
  color: var(--ink);
  margin-top: 1.1rem;
  line-height: 1.3;
}

.section-head__sub { margin-top: 0.75rem; font-size: 1.05rem; }

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 2rem 1.75rem;
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
}

.feature-card__icon {
  display: grid;
  place-items: center;
  width: 56px; height: 56px;
  margin-inline: auto;
  border-radius: 50%;
  font-size: 1.6rem;
  background: #F1F4FE;
}

.feature-card__icon--star   { background: #E4EBFE; }
.feature-card__icon--rocket { background: #EBE4FE; }
.feature-card__icon--shield { background: #E1F5EE; }
.feature-card__icon--headset{ background: #FDE7E9; }

.feature-card__title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ink);
  margin-top: 1.1rem;
}

.feature-card__text { margin-top: 0.4rem; font-size: 0.95rem; }

/* ---------- التذييل ---------- */

.footer {
  background: var(--features-bg);
  border-top: 1px solid #DCE2FA;
  padding-block: 2.5rem;
  text-align: center;
}

.footer__brand {
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--ink);
}

.footer__note { margin-top: 0.35rem; font-size: 0.9rem; color: var(--muted); }

/* ---------- رسالة التأكيد (Toast) ---------- */

.toast {
  position: fixed;
  inset-inline: 0;
  bottom: 1.5rem;
  z-index: 60;
  width: fit-content;
  max-width: calc(100% - 2rem);
  margin-inline: auto;
  background: var(--ink);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 14px;
  padding: 0.8rem 1.4rem;
  box-shadow: var(--shadow-lift);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .25s ease, transform .25s ease;
}

.toast.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- التجاوب ---------- */

@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .hero__inner { gap: 2.5rem; }
  .dashboard { grid-template-columns: 108px 1fr; }
  .dashboard__side { padding: 0.65rem 0.7rem; }
  .dashboard__item { padding: 0.3rem 0.5rem; }
  .plant-card { display: none; } /* على اللوحات تختصر المساحة لصالح عرض اللابتوب */
}

@media (max-width: 880px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { order: 2; gap: 1rem; }

  .nav {
    position: absolute;
    inset-inline: 1.25rem;
    top: calc(100% + 0.5rem);
    background: #FEFEFE;
    backdrop-filter: blur(14px);
    border-radius: 20px;
    box-shadow: var(--shadow-lift);
    padding: 0.75rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s;
  }

  .nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }

  .nav__list { flex-direction: column; align-items: stretch; gap: 0.25rem; }

  .nav__link {
    display: block;
    padding: 0.65rem 1rem;
    border-radius: 12px;
    font-size: 1rem;
  }

  .nav__link:hover,
  .nav__link.is-active { background: #EDF0FE; }

  .nav-toggle { display: flex; }
}

@media (max-width: 560px) {
  .hero { padding-block: 3rem 4.5rem; }
  .hero__perks { gap: 1rem 1.4rem; }
  .hero__actions .btn { width: 100%; }
  .features { padding-block: 4rem; }
  .features__grid { grid-template-columns: 1fr; }
  .navbar__actions .btn--sm { display: none; } /* يبقى زر «ابدأ الآن» الأساسي في قسم البطل */
  .plant-card { display: none; }

  /* لوحة التحكم داخل اللابتوب تُضغط قليلًا لتبقى مقروءة */
  .laptop__screen { aspect-ratio: 4 / 3; border-width: 8px; border-bottom-width: 0; }
  .dashboard { grid-template-columns: 88px 1fr; font-size: 0.6rem; }
  .dashboard__side { padding: 0.55rem 0.55rem; }
  .dashboard__item { padding: 0.28rem 0.4rem; }
  .dashboard__main { padding: 0.7rem 0.65rem; }
  .dashboard__stats { gap: 0.4rem; }
  .chart__bars { gap: 0.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}