/* ============================================================
   House Africa MTÜ — styles.css
   ============================================================ */

/* ── Design tokens ── */
:root {
  /* Colours — palette from logo: red #dc3c14, blue #1464a0 */
  --clr-bg:          #f8f6f4;
  --clr-bg-alt:      #f0ece8;
  --clr-text:        #1a1a2e;
  --clr-text-muted:  #5a5a72;
  --clr-red:         #dc3c14;
  --clr-red-light:   #f05a30;
  --clr-red-dark:    #b02e0a;
  --clr-blue:        #1464a0;
  --clr-blue-light:  #2880c8;
  --clr-blue-dark:   #0a4878;
  --clr-blue-bg:     #e8f0f8;
  --clr-gold:        #c8882a;
  --clr-gold-light:  #e8a84a;
  --clr-terra:       #b5451b;
  --clr-white:       #ffffff;
  --clr-border:      #ddd8d2;

  --font-heading: 'Poppins', sans-serif;
  --font-body:    'Lato', sans-serif;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --shadow-sm:  0 2px 8px rgba(26,26,46,.08);
  --shadow-md:  0 6px 24px rgba(26,26,46,.14);
  --transition: 0.25s ease;
  --max-width:  1100px;
  --header-h:   68px;
}

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font: inherit; border: none; background: none; }

:focus-visible {
  outline: 3px solid var(--clr-blue);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--clr-text);
}
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 600; }
h3 { font-size: 1.15rem; font-weight: 600; }
p  { max-width: 65ch; }

abbr[title] { text-decoration: underline dotted; cursor: help; }

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

.section { padding-block: var(--space-xl); }

.section-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-red);
  margin-bottom: var(--space-xs);
}

.section-intro {
  color: var(--clr-text-muted);
  margin-top: var(--space-xs);
  margin-bottom: var(--space-lg);
  font-size: 1.05rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.75em 1.6em;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  transition: background var(--transition), color var(--transition),
              transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--clr-red);
  color: var(--clr-white);
}
.btn-primary:hover {
  background: var(--clr-red-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(220,60,20,.35);
}

.btn-outline {
  background: transparent;
  color: var(--clr-white);
  border: 2px solid rgba(255,255,255,.7);
}
.btn-outline:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--clr-white);
  transform: translateY(-2px);
}

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(248,246,244,.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--clr-border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}
.logo-img {
  height: 42px;
  width: auto;
  display: block;
}

.main-nav { margin-left: auto; }
.main-nav ul { display: flex; gap: var(--space-md); }
.main-nav a {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: color var(--transition);
  padding-block: 0.25rem;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--clr-red);
  border-bottom-color: var(--clr-red);
}

.nav-cta { margin-left: var(--space-sm); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  margin-left: auto;
  border-radius: var(--radius-sm);
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--clr-text);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(220,60,20,.28) 0%, transparent 65%),
    radial-gradient(ellipse 60% 80% at 15% 80%, rgba(20,100,160,.3) 0%, transparent 60%),
    linear-gradient(135deg, #1a1a2e 0%, #0a2a4a 50%, #1a1a2e 100%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 28px 28px;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-block: var(--space-2xl);
  max-width: 680px;
}

.eyebrow {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-gold-light);
  margin-bottom: var(--space-sm);
}

.hero h1 { color: var(--clr-white); margin-bottom: var(--space-md); }

.hero-sub {
  color: rgba(255,255,255,.8);
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
  max-width: 52ch;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--clr-white); }

.about-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-text h2 { margin-bottom: var(--space-md); }
.about-text p  { color: var(--clr-text-muted); margin-bottom: var(--space-lg); }

.about-visual { border-radius: var(--radius-lg); overflow: hidden; }
.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  display: block;
}

/* ============================================================
   UPCOMING EVENT
   ============================================================ */
.event { background: var(--clr-bg-alt); }

.event-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.event-text h2 { margin-bottom: var(--space-sm); }
.event-text p  { color: var(--clr-text-muted); margin-bottom: var(--space-md); }
.event-meta    { margin-bottom: var(--space-md); }

.event-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: var(--space-lg);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--clr-text);
}

.event-badge {
  display: inline-block;
  background: var(--clr-red);
  color: var(--clr-white);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.35em 0.9em;
  border-radius: 50px;
  transition: background var(--transition), transform var(--transition);
}
.event-badge:hover {
  background: var(--clr-red-dark);
  transform: translateY(-2px);
}

.event-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

/* ============================================================
   MISSION / PILLARS
   ============================================================ */
.mission { background: var(--clr-bg); }
.mission h2 { margin-bottom: var(--space-xs); }

.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.pillar-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}
.pillar-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.pillar-icon {
  width: 52px;
  height: 52px;
  background: var(--clr-blue-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--clr-blue);
}
.pillar-icon svg { width: 28px; height: 28px; }
.pillar-card h3 { margin-bottom: var(--space-xs); }
.pillar-card p  { color: var(--clr-text-muted); font-size: 0.95rem; max-width: none; }

/* ============================================================
   COMMUNITY
   ============================================================ */
.community { background: var(--clr-bg-alt); }
.community h2 { margin-bottom: var(--space-xs); }

.community-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.community-card {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.community-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.community-icon { font-size: 1.8rem; margin-bottom: var(--space-sm); line-height: 1; }
.community-card h3 { margin-bottom: var(--space-xs); }
.community-card p  { color: var(--clr-text-muted); font-size: 0.95rem; max-width: none; }

/* ============================================================
   GALLERY
   ============================================================ */
.gallery { background: var(--clr-white); }
.gallery h2 { margin-bottom: var(--space-xs); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: var(--space-lg);
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  border: none;
  background: var(--clr-bg-alt);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  display: block;
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(26,26,46,0);
  transition: background 0.3s ease;
}
.gallery-item:hover::after { background: rgba(26,26,46,.18); }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox[hidden] { display: none; }

.lightbox-img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 40px rgba(0,0,0,.6);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: fixed;
  background: rgba(255,255,255,.12);
  border: none;
  color: #fff;
  cursor: pointer;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  z-index: 201;
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover { background: rgba(255,255,255,.25); }
.lightbox-close { top: 1rem; right: 1rem; font-size: 1.8rem; }
.lightbox-prev  { left: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox-next  { right: 1rem; top: 50%; transform: translateY(-50%); }

/* ============================================================
   SOCIAL / STAY CONNECTED
   ============================================================ */
.social {
  background: var(--clr-blue);
  color: var(--clr-white);
}
.social-inner { text-align: center; }
.social .section-label { color: rgba(255,255,255,.65); }
.social h2 { color: var(--clr-white); margin-bottom: var(--space-sm); }
.social-inner > p { color: rgba(255,255,255,.8); margin-inline: auto; }

.social-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  color: var(--clr-white);
  padding: 0.75em 1.5em;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background var(--transition), transform var(--transition);
}
.social-link:hover { background: rgba(255,255,255,.22); transform: translateY(-2px); }
.social-icon { width: 20px; height: 20px; flex-shrink: 0; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--clr-white); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-info h2 { margin-bottom: var(--space-sm); }
.contact-info > p { color: var(--clr-text-muted); margin-bottom: var(--space-lg); }

.contact-details { display: flex; flex-direction: column; gap: var(--space-sm); }
.contact-details li { display: flex; align-items: center; gap: 0.75rem; }
.contact-details a {
  color: var(--clr-blue);
  font-weight: 600;
  transition: color var(--transition);
}
.contact-details a:hover { color: var(--clr-blue-light); }
.contact-icon { width: 20px; height: 20px; color: var(--clr-red); flex-shrink: 0; }

.contact-form {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-text);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.7em 1em;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background: var(--clr-white);
  font: inherit;
  font-size: 0.95rem;
  color: var(--clr-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-blue);
  box-shadow: 0 0 0 3px rgba(20,100,160,.15);
}
.form-group input.error,
.form-group textarea.error { border-color: var(--clr-terra); }

textarea { resize: vertical; min-height: 120px; }

.form-status {
  font-size: 0.9rem;
  min-height: 1.4em;
  color: var(--clr-blue);
  font-weight: 600;
}
.form-status.error { color: var(--clr-terra); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--clr-text);
  color: rgba(255,255,255,.75);
  padding-block: var(--space-xl);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.footer-brand { max-width: 340px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: var(--space-sm);
}
.footer-logo-img {
  height: 36px;
  width: auto;
}
.footer-brand p { font-size: 0.9rem; line-height: 1.6; }

.footer-nav { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-md); }
.footer-nav a {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--clr-gold-light); }

.footer-social { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.75);
  transition: background var(--transition), color var(--transition);
}
.footer-social a:hover {
  background: var(--clr-red);
  color: var(--clr-white);
  border-color: var(--clr-red);
}
.footer-social svg { width: 16px; height: 16px; }

.footer-copy { font-size: 0.85rem; color: rgba(255,255,255,.45); max-width: none; }
.footer-copy a { color: var(--clr-gold-light); transition: color var(--transition); }
.footer-copy a:hover { color: var(--clr-white); }

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-md);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--clr-red);
  color: var(--clr-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition);
  z-index: 90;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: none; }
.back-to-top:hover { background: var(--clr-red-dark); }
.back-to-top svg { width: 20px; height: 20px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (min-width: 640px) {
  .pillars-grid   { grid-template-columns: repeat(3, 1fr); }
  .community-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid   { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 900px) {
  .about-inner    { grid-template-columns: 1fr 1fr; }
  .contact-inner  { grid-template-columns: 1fr 1fr; }
  .community-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid   { grid-template-columns: repeat(4, 1fr); }
  .event-inner    { grid-template-columns: 1fr 1fr; }

  .footer-inner {
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: auto auto;
    align-items: start;
  }
  .footer-brand { grid-column: 1; grid-row: 1 / 3; }
  .footer-nav   { grid-column: 2; }
  .footer-social{ grid-column: 3; }
  .footer-copy  { grid-column: 1 / -1; padding-top: var(--space-md); border-top: 1px solid rgba(255,255,255,.1); }
}

@media (max-width: 767px) {
  .hamburger { display: flex; }
  .nav-cta   { display: none; }

  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--clr-bg);
    padding: var(--space-lg) var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 99;
    margin-left: 0;
  }
  .main-nav.open { transform: none; }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav a {
    display: block;
    font-size: 1.2rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--clr-border);
    border-left: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .btn, .pillar-card, .community-card, .back-to-top { transition: none; }
  .reveal { opacity: 1; transform: none; }
}