/* ============================================================
   DARAJA EDU — main.css (components, sections, responsive)
   Order: base → layout → components → sections → footer → motion
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 1rem);
}

body {
  margin: 0;
  font-family: var(--font-arabic);
  font-size: var(--text-body);
  line-height: var(--lh-body);
  color: var(--c-dark);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }

:focus-visible { outline: 3px solid var(--c-primary); outline-offset: 3px; border-radius: 2px; box-shadow: var(--focus-ring); }

.skip-link {
  position: absolute; inset-inline-start: 1rem; top: -4rem; z-index: 200;
  background: var(--c-dark); color: var(--c-white); padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm); transition: top var(--t-fast) ease;
}
.skip-link:focus { top: 1rem; }

.accent { color: var(--c-primary); font-weight: 700; }

.container {
  width: min(var(--container), 100% - 2 * var(--gutter));
  margin-inline: auto;
}
.container--narrow { width: min(var(--container-narrow), 100% - 2 * var(--gutter)); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font-arabic); font-weight: 600; font-size: var(--text-body);
  padding: 0.8rem 1.7rem; border-radius: var(--radius-md);
  border: 1px solid transparent; line-height: 1.2; white-space: nowrap;
  transition: background-color var(--t-fast) ease, border-color var(--t-fast) ease,
              color var(--t-fast) ease, transform var(--t-fast) ease, box-shadow var(--t-fast) ease;
}
.btn--lg { padding: 1rem 2.1rem; font-size: 1.0625rem; }
.btn--primary { background: var(--c-primary); color: #fff; box-shadow: 0 6px 18px rgba(66, 172, 207, 0.35); }
.btn--primary:hover { background: var(--c-primary-dark); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--c-dark); border-color: var(--c-border); }
.btn--ghost:hover { border-color: var(--c-primary); color: var(--c-primary); }
.btn--text {
  padding: 0.25rem 0; background: none; color: var(--c-primary); font-weight: 700;
  border-bottom: 2px solid var(--c-primary); border-radius: 0;
}
.btn--text:hover { color: var(--c-primary-dark); border-color: var(--c-primary-dark); }

/* ---------- Eyebrow / section heads ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-latin); font-size: var(--text-xs); font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-muted);
}
.eyebrow__dot { width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--c-primary); }
.eyebrow__sep { color: var(--c-primary); }

.section { padding-block: var(--space-9); }
.section--alt { background: var(--c-bg-light); }

.section__head { max-width: 46rem; margin-bottom: var(--space-7); }
.section__kicker {
  display: inline-block; font-size: var(--text-xs); font-weight: 700;
  letter-spacing: 0.12em; color: var(--c-muted); margin-bottom: var(--space-2);
}
.section__kicker::before { content: ""; display: inline-block; width: 2.2rem; height: 0.22rem; background: var(--c-primary); border-radius: 99px; margin-inline-end: 0.6rem; vertical-align: middle; }
.section__title { font-size: var(--text-h2); line-height: var(--lh-tight); font-weight: 700; margin-bottom: var(--space-4); }
.section__lead { font-size: var(--text-lead); color: var(--c-muted); max-width: 44rem; }

/* ---------- Navbar ---------- */
.nav {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-med) ease, box-shadow var(--t-med) ease;
}
.nav--scrolled { border-bottom-color: var(--c-border); box-shadow: var(--shadow-nav); }
.nav__inner {
  width: min(var(--container), 100% - 2 * var(--gutter)); margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--nav-h);
}
.nav__brand { display: inline-flex; align-items: center; gap: 0.7rem; }
.nav__logo { width: 2.5rem; height: 2.5rem; border-radius: var(--radius-sm); }
.nav__name { display: flex; flex-direction: column; line-height: 1.15; }
.nav__name strong { font-size: 0.95rem; letter-spacing: 0.09em; }
.nav__name small { font-size: var(--text-xs); color: var(--c-muted); }

.nav__menu { display: flex; align-items: center; gap: var(--space-6); }
.nav__list { display: flex; align-items: center; gap: var(--space-5); }
.nav__link { position: relative; font-weight: 500; color: var(--c-dark); padding-block: 0.4rem; }
.nav__link::after {
  content: ""; position: absolute; inset-inline-start: 0; bottom: -2px;
  width: 0; height: 2.5px; border-radius: 99px; background: var(--c-primary);
  transition: width var(--t-med) var(--ease);
}
.nav__link:hover::after { width: 100%; }
.nav__cta { padding: 0.65rem 1.35rem; font-size: 0.95rem; }

.nav__toggle { display: none; flex-direction: column; gap: 5px; width: 2.75rem; height: 2.75rem; align-items: center; justify-content: center; border-radius: var(--radius-sm); }
.nav__bar { width: 1.45rem; height: 2.5px; border-radius: 99px; background: var(--c-dark); transition: transform var(--t-med) var(--ease), opacity var(--t-med) ease; }
.nav--open .nav__bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav--open .nav__bar:nth-child(2) { opacity: 0; }
.nav--open .nav__bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; padding-block: var(--space-9) var(--space-8); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(66, 172, 207, 0.045) 0 1px, transparent 1px 7.5rem),
                    repeating-linear-gradient(0deg, rgba(66, 172, 207, 0.035) 0 1px, transparent 1px 7.5rem);
  -webkit-mask-image: radial-gradient(75% 75% at 60% 40%, #000 30%, transparent 90%);
  mask-image: radial-gradient(75% 75% at 60% 40%, #000 30%, transparent 90%);
  pointer-events: none;
}
.hero__grid { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: center; gap: clamp(2rem, 5vw, 5rem); }

.hero__title {
  font-size: var(--text-h1); line-height: 1.14; font-weight: 700;
  margin-block: var(--space-4) var(--space-5); letter-spacing: -0.01em;
}
.hero__lead { font-size: var(--text-lead); color: var(--c-muted); max-width: 34rem; margin-bottom: var(--space-6); }
.hero__ctas { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-7); }

.levels {
  position: relative; display: grid; grid-template-columns: repeat(4, auto);
  justify-content: start; column-gap: clamp(1rem, 2.5vw, 2rem); row-gap: 0.6rem;
  padding-top: 1.65rem; border-top: 1px solid var(--c-border);
}
.levels::before {
  content: ""; position: absolute; top: -1px; inset-inline-end: 0; width: 34%;
  height: 3px; background: var(--c-primary); border-radius: 99px;
  transition: width var(--t-med) var(--ease);
}
.levels:hover::before { width: 100%; }
.levels__item { display: flex; align-items: center; gap: 0.5rem; position: relative; }
.levels__item::after {
  content: ""; position: absolute; top: 50%; inset-inline-end: calc(-1 * clamp(1rem, 2.5vw, 2rem) / 2 - 5px);
  width: 8px; height: 1px; background: var(--c-primary-line);
}
.levels__item:last-child::after { display: none; }
.levels__code { font-family: var(--font-latin); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.1em; color: var(--c-muted); }
.levels__name { font-size: var(--text-small); font-weight: 600; color: var(--c-dark); }
.levels__item--active .levels__code { color: var(--c-primary); }
.levels__item--active .levels__name { color: var(--c-primary); }

.hero__visual { position: relative; }
.hero__img {
  position: relative; z-index: 1; width: min(100%, 34rem); margin-inline: auto;
  border-radius: var(--radius-lg); box-shadow: 0 30px 70px rgba(16, 24, 32, 0.16);
}
.hero__frame {
  position: absolute; z-index: 0; width: min(100%, 34rem); height: 88%;
  inset-inline-start: -14px; top: 14px; border: 1.5px solid var(--c-primary-line);
  border-radius: var(--radius-lg); pointer-events: none;
}
.hero__tag {
  position: absolute; z-index: 2; bottom: 1.4rem; inset-inline-end: 6%;
  display: flex; align-items: center; gap: 0.55rem;
  background: var(--c-white); border: 1px solid var(--c-border); border-radius: 99px;
  padding: 0.5rem 1rem; box-shadow: var(--shadow-nav);
}
.hero__tag-line { width: 2.4rem; height: 2px; background: var(--c-primary); border-radius: 99px; }
.hero__tag-text { font-family: var(--font-latin); font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.08em; color: var(--c-muted); text-transform: uppercase; }

/* ---------- Track (what is Daraja) ---------- */
.track { counter-reset: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.track__item { position: relative; padding-top: var(--space-5); border-top: 3px solid var(--c-primary-line); }
.track__item:nth-child(2) { border-top-color: var(--c-primary); }
.track__num { font-family: var(--font-latin); font-size: var(--text-xs); font-weight: 700; color: var(--c-muted); letter-spacing: 0.1em; }
.track__title { font-size: var(--text-h3); font-weight: 700; margin-block: 0.4rem 0.35rem; }
.track__desc { color: var(--c-muted); font-size: var(--text-small); }

/* ---------- Problem (split + cons) ---------- */
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.split--contact { grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); }
.split__head { max-width: 40rem; }

.cons__row {
  display: grid; grid-template-columns: 3.2rem 1fr; gap: var(--space-4);
  padding-block: var(--space-5); border-top: 1px solid var(--c-border);
}
.cons__row:last-child { border-bottom: 1px solid var(--c-border); }
.cons__num {
  font-family: var(--font-latin); font-size: var(--text-small); font-weight: 700;
  color: var(--c-primary); padding-top: 0.3rem; letter-spacing: 0.05em;
}
.cons__title { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.2rem; }
.cons__desc { color: var(--c-muted); font-size: var(--text-small); max-width: 34rem; }

/* ---------- Stair (the method) ---------- */
.stair { display: flex; align-items: flex-start; gap: var(--space-4); }
.stair__step {
  flex: 1; max-width: 16rem; position: relative;
  margin-top: calc(var(--step, 1) * 1.05rem);
  border-top: 4px solid var(--c-primary-line);
  padding-top: var(--space-5);
  transition: transform var(--t-med) var(--ease);
}
.stair__step:nth-child(2) { border-top-color: var(--c-primary); }
.stair__step--top { border-top-color: var(--c-primary); }
.stair__num { font-family: var(--font-latin); font-size: 1.3rem; font-weight: 700; color: var(--c-primary); letter-spacing: 0.06em; }
.stair__title { font-size: var(--text-h3); font-weight: 700; margin-block: 0.45rem 0.35rem; }
.stair__desc { color: var(--c-muted); font-size: var(--text-small); }
.stair__step--top .stair__num { color: var(--c-primary-dark); }

/* ---------- Story (about) ---------- */
.story { display: grid; grid-template-columns: minmax(0, 6.2fr) minmax(0, 4.8fr); gap: clamp(2.5rem, 6vw, 5.5rem); align-items: center; }
.story__visual { position: relative; }
.story__img { width: 100%; border-radius: var(--radius-lg); box-shadow: 0 30px 70px rgba(16, 24, 32, 0.14); }
.story__frame {
  position: absolute; z-index: -1; inset-inline-end: -14px; bottom: -14px;
  width: 62%; height: 72%; border: 1.5px solid var(--c-primary-line); border-radius: var(--radius-lg);
}
.story__text .section__kicker { margin-bottom: var(--space-3); }
.story__text h2 { margin-bottom: var(--space-5); }
.story__text p { color: var(--c-muted); margin-bottom: var(--space-4); max-width: 30rem; }
.story__strong { font-size: var(--text-lead); font-weight: 700; color: var(--c-dark) !important; }
.story__text .btn--text { margin-top: var(--space-2); }

/* ---------- Plans ---------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.plan {
  padding: var(--space-6); border: 1px solid var(--c-border); border-radius: var(--radius-md);
  background: var(--c-white); transition: border-color var(--t-fast) ease, transform var(--t-fast) ease, box-shadow var(--t-fast) ease;
}
.plan:hover { border-color: var(--c-primary); transform: translateY(-3px); box-shadow: var(--shadow-nav); }
.plan--featured { border-color: var(--c-primary); background: var(--c-primary-ghost); }
.plan__top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.plan__name { font-family: var(--font-latin); font-weight: 700; font-size: 1.15rem; letter-spacing: 0.12em; }
.plan__desc { color: var(--c-muted); font-size: var(--text-small); margin-top: var(--space-3); }
.badge {
  font-size: var(--text-xs); font-weight: 600; color: var(--c-muted);
  background: var(--c-dark-soft); padding: 0.3rem 0.8rem; border-radius: 99px;
}
.badge--primary { color: #fff; background: var(--c-primary); }
.plans__note { text-align: center; color: var(--c-muted); font-size: var(--text-small); margin-top: var(--space-6); }

/* ---------- CTA band ---------- */
.cta-band { position: relative; background: var(--c-dark); color: var(--c-white); padding-block: var(--space-10); overflow: hidden; }
.cta-band__inner { position: relative; text-align: center; }
.cta-band__steps { display: flex; justify-content: center; gap: 0.5rem; margin-bottom: var(--space-6); }
.cta-band__steps span {
  width: 1.1rem; height: 1.1rem; border-radius: 3px; background: rgba(66, 172, 207, 0.22);
}
.cta-band__steps span:nth-child(2) { height: 1.5rem; background: rgba(66, 172, 207, 0.4); }
.cta-band__steps span:nth-child(3) { height: 1.9rem; background: rgba(66, 172, 207, 0.65); }
.cta-band__steps span:nth-child(4) { height: 2.3rem; background: var(--c-primary); }
.cta-band__title { font-size: var(--text-h2); color: var(--c-white); line-height: var(--lh-tight); margin-bottom: var(--space-4); }
.cta-band__accent { color: var(--c-primary); }
.cta-band__lead { color: rgba(230, 240, 245, 0.75); font-size: var(--text-lead); margin-bottom: var(--space-6); }
.cta-band .btn--primary { box-shadow: 0 8px 26px rgba(66, 172, 207, 0.5); }

/* ---------- Contact ---------- */
.socials { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-6); }
.socials__btn {
  width: 3.25rem; height: 3.25rem; display: grid; place-items: center;
  border-radius: 50%;
  transition: transform var(--t-fast) ease, box-shadow var(--t-fast) ease;
}
.socials__btn img { width: 1.5rem; height: 1.5rem; }
.socials__btn:hover { transform: translateY(-3px); box-shadow: 0 10px 22px rgba(16, 24, 32, 0.18); }
.socials__btn:active { transform: translateY(0); }
.socials__btn--instagram { background: #E4405F; }
.socials__btn--facebook { background: #1877F2; }
.socials__btn--gmail { background: #EA4335; }
.socials__btn--soon { background: var(--c-border); cursor: not-allowed; }
.socials__btn--soon img { opacity: 0.6; }

.form { background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: clamp(1.5rem, 3vw, 2.5rem); box-shadow: var(--shadow-nav); }
.form__field { margin-bottom: var(--space-5); }
.form__label { display: block; font-weight: 600; font-size: var(--text-small); margin-bottom: 0.4rem; }
.form__input {
  width: 100%; font: inherit; color: var(--c-dark);
  border: 1px solid var(--c-border); border-radius: var(--radius-sm);
  padding: 0.8rem 1rem; background: var(--c-white);
  transition: border-color var(--t-fast) ease, box-shadow var(--t-fast) ease;
}
.form__input::placeholder { color: #94a3b8; }
.form__input:focus { outline: none; border-color: var(--c-primary); box-shadow: var(--focus-ring); }
.form__input--invalid { border-color: #e11d48; }
.form__input--area { resize: vertical; min-height: 8rem; }
.form__status { min-height: 1.4rem; font-size: var(--text-small); margin-bottom: var(--space-4); }
.form__status--ok { color: var(--c-primary-dark); font-weight: 600; }
.form__status--err { color: #e11d48; font-weight: 600; }
.form__submit { width: 100%; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--c-border); background: var(--c-bg-light); padding-block: var(--space-7); }
.footer__grid { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: var(--space-6); }
.footer__brand { display: flex; align-items: center; gap: 0.8rem; }
.footer__logo { width: 2.4rem; height: 2.4rem; border-radius: var(--radius-sm); }
.footer__name { font-family: var(--font-latin); font-weight: 700; letter-spacing: 0.12em; }
.footer__tag { font-size: var(--text-xs); color: var(--c-muted); }
.footer__nav { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2) var(--space-5); }
.footer__nav a { position: relative; font-weight: 500; font-size: var(--text-small); }
.footer__nav a::after { content: ""; position: absolute; inset-inline-start: 0; bottom: -3px; width: 0; height: 2px; background: var(--c-primary); transition: width var(--t-fast) ease; }
.footer__nav a:hover::after { width: 100%; }
.footer__copy { text-align: end; font-size: var(--text-small); color: var(--c-muted); }

/* ---------- Portal placeholder page ---------- */
.portal { min-height: 100vh; }
.portal__card { text-align: center; padding: var(--space-10) var(--space-4); }
.portal__title { font-size: var(--text-h1); margin-block: var(--space-4); }
.portal__lead { color: var(--c-muted); font-size: var(--text-lead); max-width: 36rem; margin: 0 auto var(--space-6); }
.portal__card .hero__ctas { justify-content: center; }

/* ---------- Motion / reveal ---------- */
[data-reveal] {
  opacity: 0; transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal="visual"] { transform: translateY(30px) scale(0.985); }
[data-reveal].in-view { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__text { text-align: start; }
  .hero__lead { max-width: 100%; }
  .hero__visual { max-width: 34rem; margin-inline: auto; }
  .levels { grid-template-columns: repeat(2, auto); }
  .levels::before { width: 50%; }
  .levels__item::after { display: none; }
  .split { grid-template-columns: 1fr; gap: var(--space-6); }
  .story { grid-template-columns: 1fr; }
  .story__text { max-width: 40rem; }
  .stair { flex-wrap: wrap; }
  .stair__step { flex: 1 1 40%; margin-top: calc(var(--step, 1) * 0.55rem); }
  .footer__grid { grid-template-columns: 1fr; text-align: center; }
  .footer__brand { justify-content: center; }
  .footer__copy { text-align: center; }
}

@media (max-width: 880px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: absolute; inset-inline: 0; top: var(--nav-h);
    background: var(--c-white); border-bottom: 1px solid var(--c-border);
    flex-direction: column; align-items: stretch; gap: 0;
    padding-inline: var(--gutter);
    max-height: 0; overflow: hidden; visibility: hidden;
    transition: max-height 0.4s var(--ease), visibility 0s linear 0.4s;
  }
  .nav--open .nav__menu { max-height: 24rem; visibility: visible; transition: max-height 0.4s var(--ease); }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; padding-block: 0.7rem; }
  .nav__link { display: block; padding: 0.9rem 0.4rem; border-bottom: 1px solid var(--c-border); font-weight: 600; }
  .nav__link::after { display: none; }
  .nav__cta { margin-block: 1rem 1.25rem; justify-content: center; }
}

@media (max-width: 760px) {
  .section { padding-block: var(--space-8); }
  .hero { padding-block: var(--space-7) var(--space-8); }
  .track { grid-template-columns: 1fr; gap: var(--space-5); }
  .stair__step { flex: 1 1 100%; margin-top: 0; }
  .stair { gap: var(--space-5); }
  .plans { grid-template-columns: 1fr; }
  .split--contact { grid-template-columns: 1fr; }
  .hero__ctas .btn { flex: 1 1 auto; }
  .cta-band { padding-block: var(--space-8); }
}

@media (max-width: 420px) {
  .levels__code { font-size: 0.7rem; }
  .nav__name small { display: none; }
}