/* ===================== RESET & BASE ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green-dark:   #1B4332;
  --green-mid:    #2D6A4F;
  --green-accent: #40916C;
  --green-light:  #95D5B2;
  --green-pale:   #D8F3DC;
  --cream:        #F5F0E8;
  --white:        #FFFFFF;
  --text-dark:    #1C1C1C;
  --text-mid:     #3d3d3d;
  --text-light:   #666;
  --shadow:       0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg:    0 8px 40px rgba(0,0,0,0.15);
  --radius:       12px;
  --radius-lg:    20px;
  --transition:   all 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', sans-serif;
  background: var(--cream);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

/* ===================== PAGES ===================== */
.page { display: none; }
.page.active { display: block; }

/* ===================== BUTTONS ===================== */
.btn-primary {
  background: var(--green-dark);
  color: var(--white);
  border: none;
  padding: 12px 28px;
  border-radius: 8px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary:hover { background: var(--green-accent); transform: translateY(-2px); }

.btn-light {
  background: var(--white);
  color: var(--green-dark);
  border: 2px solid var(--white);
  padding: 12px 28px;
  border-radius: 8px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
}
.btn-light:hover { background: var(--green-pale); border-color: var(--green-pale); }

.full-btn { width: 100%; padding: 14px; font-size: 1rem; }

/* ===================== NAVBAR ===================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.15); }

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.85rem;
  line-height: 1.2;
  color: var(--green-dark);
}
.logo-icon {
  font-size: 1.8rem;
  color: var(--green-accent);
}
.logo small {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-light);
  display: block;
}
.white-logo { color: var(--white); }
.white-logo .logo-icon { color: var(--green-light); }
.white-logo small { color: rgba(255,255,255,0.6); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active-link { color: var(--green-dark); background: var(--green-pale); }
.nav-links .btn-primary { margin-left: 12px; padding: 9px 20px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  width: 26px; height: 2.5px;
  background: var(--green-dark);
  border-radius: 3px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ===================== SECTION UTILITIES ===================== */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header h2,
.section > h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 12px;
}
.section > h2 { text-align: center; margin-bottom: 48px; }

/* ===================== IMAGE PLACEHOLDERS ===================== */
.img-placeholder {
  background: linear-gradient(135deg, var(--green-pale) 0%, #c7e8d4 100%);
  border: 2px dashed var(--green-accent);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--green-accent);
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
  padding: 20px;
}
.img-placeholder i { font-size: 2.5rem; opacity: 0.7; }
.img-placeholder small { font-size: 0.75rem; color: var(--text-light); }

/* ===================== HOME — HERO ===================== */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-mid) 60%, var(--green-accent) 100%);
  display: flex;
  align-items: center;
  padding: 100px 24px 60px;
  gap: 40px;
}
.hero-content {
  flex: 1;
  max-width: 560px;
  margin: 0 auto;
}
.hero-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero-content h1 span { color: var(--green-light); }
.hero-content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
  max-width: 440px;
}
.hero-btn { font-size: 1rem; padding: 14px 36px; background: var(--white); color: var(--green-dark); }
.hero-btn:hover { background: var(--green-light); color: var(--green-dark); }

.hero-image { flex: 1; max-width: 500px; margin: 0 auto; }
.hero-placeholder { min-height: 320px; background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.4); color: rgba(255,255,255,0.8); }
.hero-placeholder i { font-size: 4rem; }

/* ===================== HOME — STATS BAR ===================== */
.stats-bar {
  background: var(--white);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  box-shadow: var(--shadow);
}
.stat {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 28px 20px;
  border-right: 1px solid #eee;
  transition: var(--transition);
}
.stat:last-child { border-right: none; }
.stat:hover { background: var(--green-pale); }
.stat > i {
  font-size: 1.8rem;
  color: var(--green-accent);
  flex-shrink: 0;
}
.stat div strong { display: block; font-size: 0.9rem; color: var(--green-dark); margin-bottom: 2px; }
.stat div p { font-size: 0.78rem; color: var(--text-light); margin: 0; }

/* ===================== HOME — HOW YOU CAN HELP ===================== */
.how-help { background: var(--cream); }
.video-placeholder-wrap { margin-bottom: 56px; }
.video-placeholder {
  min-height: 300px;
  max-width: 800px;
  margin: 0 auto;
  font-size: 1rem;
}
.video-placeholder i { font-size: 4rem; }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.step-num {
  position: absolute;
  top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--green-dark);
  color: var(--white);
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700;
}
.step-card > i {
  font-size: 2.4rem;
  color: var(--green-accent);
  margin: 12px 0 16px;
}
.step-card h3 { font-size: 1rem; color: var(--green-dark); margin-bottom: 8px; }
.step-card p { font-size: 0.83rem; color: var(--text-light); }

/* ===================== HOME — CTA BANNER ===================== */
.cta-banner {
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  padding: 80px 24px;
  text-align: center;
}
.cta-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.cta-content p {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  margin-bottom: 32px;
}

/* ===================== FOOTER ===================== */
.footer {
  background: var(--green-dark);
  color: var(--white);
  padding: 60px 24px 0;
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand p {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.65);
  margin-top: 12px;
  line-height: 1.7;
}
.footer-links h4,
.footer-social h4,
.footer-newsletter h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--green-light);
}
.footer-links a {
  display: block;
  font-size: 0.83rem;
  color: rgba(255,255,255,0.65);
  padding: 4px 0;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--green-light); padding-left: 6px; }

.social-icons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.social-icons a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition);
  color: var(--white);
}
.social-icons a:hover { background: var(--green-accent); transform: translateY(-3px); }

.footer-newsletter p { font-size: 0.82rem; color: rgba(255,255,255,0.65); margin-bottom: 14px; }
.newsletter-form { display: flex; gap: 8px; flex-wrap: wrap; }
.newsletter-form input {
  flex: 1;
  min-width: 130px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
  color: var(--white);
  font-family: 'Poppins', sans-serif;
  font-size: 0.82rem;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.45); }
.newsletter-form input:focus { outline: none; border-color: var(--green-light); }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 0;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
}

/* ===================== ABOUT PAGE ===================== */
.page-hero {
  display: flex;
  align-items: center;
  gap: 48px;
  padding: 120px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
}
.page-hero-content { flex: 1; }
.page-hero-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--green-dark);
  margin-bottom: 20px;
}
.page-hero-content p {
  font-size: 1rem;
  color: var(--text-mid);
  margin-bottom: 14px;
  max-width: 500px;
}
.page-hero-image { flex: 1; max-width: 460px; }
.about-placeholder { min-height: 300px; }

.mission-section { background: var(--cream); }
.mission-img {
  min-height: 200px;
  max-width: 600px;
  margin: 0 auto 40px;
}
.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.mission-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-top: 4px solid var(--green-accent);
}
.mission-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.mission-card > i {
  font-size: 2.4rem;
  color: var(--green-accent);
  margin-bottom: 16px;
}
.mission-card h3 { color: var(--green-dark); font-size: 1.05rem; margin-bottom: 10px; }
.mission-card p { font-size: 0.85rem; color: var(--text-light); }

.values-section { background: var(--green-dark); padding-top: 80px; padding-bottom: 80px; }
.values-section h2 { color: var(--white); }
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.value-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 32px 22px;
  text-align: center;
  transition: var(--transition);
}
.value-card:hover { background: rgba(255,255,255,0.13); transform: translateY(-4px); }
.value-card > i {
  font-size: 2rem;
  color: var(--green-light);
  margin-bottom: 14px;
}
.value-card h3 { color: var(--white); font-size: 0.95rem; margin-bottom: 8px; }
.value-card p { font-size: 0.8rem; color: rgba(255,255,255,0.65); }

.values-section .section { padding-top: 0; padding-bottom: 0; }

.team-section { background: var(--cream); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.team-img { min-height: 120px; margin-bottom: 16px; }
.team-img i { font-size: 2rem; }
.team-card h3 { font-size: 0.95rem; color: var(--green-dark); margin-bottom: 4px; }
.team-card p { font-size: 0.8rem; color: var(--text-light); }

/* ===================== INNER HERO (shared) ===================== */
.inner-hero {
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  padding: 130px 24px 70px;
  display: flex;
  align-items: center;
  gap: 40px;
  max-width: 100%;
}
.inner-hero-text {
  max-width: 1200px;
  margin: 0 auto;
  flex: 1;
}
.inner-hero-text h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 14px;
}
.inner-hero-text p {
  color: rgba(255,255,255,0.8);
  font-size: 1.05rem;
  max-width: 560px;
}
.inner-hero-image { flex: 1; max-width: 420px; }
.tips-hero-img { min-height: 200px; background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.3); color: rgba(255,255,255,0.75); }

/* ===================== HOW TO RECYCLE PAGE ===================== */
.recycle-steps-section {
  background-image: url('assets/251383a3-1247-4f3d-a8c6-bc3789bec54f(1).jpg');
  background-size: cover;
  background-position: center;
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 60px 40px;
  box-sizing: border-box;
}
.recycle-steps-layout {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.recycle-steps-layout > .recycle-steps { flex: 3; min-width: 0; }
.recycle-steps-bulb {
  flex: 0 0 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
}
.recycle-steps-bulb img {
  width: 100%;
  max-width: 300px;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.18));
}
.recycle-steps { display: flex; flex-direction: column; gap: 16px; }
.recycle-step { display: flex; align-items: center; gap: 16px; }
.recycle-step-icon {
  position: relative;
  flex-shrink: 0;
  width: 56px; height: 56px;
  background: var(--green-dark);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.recycle-step-icon i { font-size: 1.2rem; color: var(--white); }
.step-badge {
  position: absolute;
  top: -5px; right: -5px;
  background: var(--green-accent);
  color: var(--white);
  width: 20px; height: 20px;
  border-radius: 50%;
  font-size: 0.65rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.recycle-step-content {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  box-shadow: var(--shadow);
}
.step-img { width: 100px; height: 80px; flex-shrink: 0; }
.step-img img { width: 100%; height: 100%; object-fit: contain; }
.step-img i { font-size: 1.4rem; }
.recycle-step-text h3 { font-size: 0.92rem; color: var(--green-dark); margin-bottom: 6px; }
.recycle-step-text p { font-size: 0.78rem; color: var(--text-light); line-height: 1.5; }

.accepted-items {
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 60px 40px;
  box-sizing: border-box;
  background-image: url('assets/0c9f1159-672e-46e9-bc60-e3f4bd15808d(1).jpg');
  background-size: cover;
  background-position: center;
}
.accepted-items-container {
  max-width: 1100px;
  margin: 0 auto;
  background: rgba(220, 237, 220, 0.82);
  border-radius: 20px;
  padding: 36px 40px;
}
.accepted-items-container h2 { color: var(--green-dark); margin-bottom: 28px; }
.items-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.item-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 16px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.item-card:hover { background: var(--green-pale); transform: translateY(-4px); }
.item-card i { font-size: 2rem; color: var(--green-accent); }
.item-card span { font-size: 0.85rem; font-weight: 500; color: var(--green-dark); }

/* ===================== RECYCLING CENTERS PAGE ===================== */
.centers-section {
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 60px 40px;
  box-sizing: border-box;
  background-image: url('assets/251383a3-1247-4f3d-a8c6-bc3789bec54f(1).jpg');
  background-size: cover;
  background-position: center;
}
.centers-section .centers-search,
.centers-section .centers-layout {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.centers-search {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.search-bar {
  display: flex;
  flex: 1;
  min-width: 260px;
}
.search-bar input {
  flex: 1;
  padding: 12px 18px;
  border: 2px solid #ddd;
  border-right: none;
  border-radius: 8px 0 0 8px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  transition: var(--transition);
}
.search-bar input:focus { outline: none; border-color: var(--green-accent); }
.search-bar .btn-primary {
  border-radius: 0 8px 8px 0;
  padding: 12px 18px;
}
.region-select {
  padding: 12px 18px;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  color: var(--text-mid);
  background: var(--white);
  cursor: pointer;
  min-width: 160px;
}
.region-select:focus { outline: none; border-color: var(--green-accent); }

.centers-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 28px;
  align-items: start;
}
.centers-list { display: flex; flex-direction: column; gap: 14px; }
.center-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  transition: var(--transition);
  border-left: 4px solid var(--green-accent);
}
.center-card:hover { transform: translateX(4px); box-shadow: var(--shadow-lg); }
.center-info h3 { font-size: 0.95rem; color: var(--green-dark); margin-bottom: 6px; }
.center-info p { font-size: 0.8rem; color: var(--text-light); display: flex; align-items: center; gap: 6px; margin-bottom: 2px; }
.badge-open, .badge-closed {
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.badge-open { background: #d4edda; color: #155724; }
.badge-closed { background: #f8d7da; color: #721c24; }

.map-container { position: sticky; top: 90px; }
.map-placeholder {
  min-height: 480px;
  font-size: 1rem;
}
.map-placeholder i { font-size: 3.5rem; }

/* ===================== TIPS PAGE ===================== */
.tips-grid-section {
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 80px 40px;
  box-sizing: border-box;
  background-image: url('assets/251383a3-1247-4f3d-a8c6-bc3789bec54f(1).jpg');
  background-size: cover;
  background-position: center;
}
.tips-grid-section > * {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.tip-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.tip-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.tip-img { min-height: 160px; border-radius: 0; }
.tip-img i { font-size: 2.5rem; }
.tip-icon {
  font-size: 1.8rem;
  color: var(--green-accent);
  margin: 20px 24px 8px;
  display: block;
}
.tip-card h3 {
  font-size: 1rem;
  color: var(--green-dark);
  padding: 0 24px 8px;
}
.tip-card p {
  font-size: 0.83rem;
  color: var(--text-light);
  padding: 0 24px 24px;
}

.guide-video-section {
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 60px 40px 80px;
  box-sizing: border-box;
  text-align: center;
  background-image: url('assets/biege.jpg');
  background-size: cover;
  background-position: center;
}
.guide-video-section h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--green-dark);
  font-weight: 700;
  margin-bottom: 32px;
}
.guide-video {
  min-height: 340px;
  max-width: 860px;
  margin: 0 auto;
  font-size: 1rem;
}
.guide-video i { font-size: 4rem; }

/* ===================== CONTACT PAGE ===================== */
.contact-hero {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
  padding: 120px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
}
.contact-hero-text h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--green-dark);
  margin-bottom: 16px;
}
.contact-hero-text > p {
  font-size: 0.95rem;
  color: var(--text-mid);
  margin-bottom: 32px;
}
.contact-details { margin-bottom: 28px; }
.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
  font-size: 0.88rem;
  color: var(--text-mid);
}
.contact-detail-item i { color: var(--green-accent); font-size: 1rem; margin-top: 2px; flex-shrink: 0; }
.contact-social { margin-top: 8px; }
.contact-social a { background: var(--green-pale); }
.contact-social a:hover { background: var(--green-accent); }
.contact-social i { color: var(--green-dark); }
.contact-social a:hover i { color: var(--white); }

.contact-form-wrap { position: relative; }
.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-form input,
.contact-form textarea {
  padding: 13px 16px;
  border: 2px solid #e8e8e8;
  border-radius: 8px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  color: var(--text-dark);
  transition: var(--transition);
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: var(--green-accent); }
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: #aaa; }

.form-success {
  display: none;
  position: absolute;
  inset: 0;
  background: var(--white);
  border-radius: var(--radius-lg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
}
.form-success.show { display: flex; }
.form-success i { font-size: 3rem; color: var(--green-accent); }
.form-success p { font-size: 1rem; color: var(--green-dark); font-weight: 600; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .centers-layout { grid-template-columns: 1fr; }
  .map-container { position: relative; top: 0; }
  .map-placeholder { min-height: 300px; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 70px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid #eee;
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; border-radius: 8px; }
  .nav-links .btn-primary { margin-left: 0; margin-top: 8px; text-align: center; }

  .hero {
    flex-direction: column;
    padding: 110px 24px 50px;
    text-align: center;
  }
  .hero-content p { max-width: 100%; margin: 0 auto 32px; }
  .hero-image { width: 100%; max-width: 400px; }

  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stat { border-bottom: 1px solid #eee; }

  .steps-grid { grid-template-columns: 1fr; }
  .mission-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .items-grid { grid-template-columns: repeat(2, 1fr); }
  .tips-grid { grid-template-columns: 1fr; }

  .page-hero { flex-direction: column; padding: 100px 24px 50px; }
  .page-hero-image { width: 100%; max-width: 100%; }
  .about-placeholder { min-height: 200px; }

  .inner-hero { flex-direction: column; }

  .recycle-step { flex-direction: column; align-items: center; }
  .recycle-step-content { flex-direction: column; text-align: center; }
  .step-img { width: 100%; max-width: 100%; height: 150px; }

  .contact-hero { grid-template-columns: 1fr; padding: 100px 24px 60px; }
  .contact-form { padding: 28px 22px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 480px) {
  .stats-bar { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .items-grid { grid-template-columns: repeat(2, 1fr); }

  .hero-content h1 { font-size: 2rem; }
  .section { padding: 52px 16px; }
  .recycle-steps { gap: 32px; }
  .newsletter-form { flex-direction: column; }
  .newsletter-form input { min-width: unset; }
}

/* ===================== SCROLL ANIMATION ===================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

/* ===================== RETECH REDESIGN ===================== */

/* Navbar logo */
.nav-logo-img {
  height: 52px;
  width: auto;
  border-radius: 8px;
  display: block;
}

/* GET INVOLVED button */
.btn-involved {
  background: #3a7d44;
  color: var(--white);
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
  margin-left: 12px;
  letter-spacing: 0.4px;
}
.btn-involved:hover { background: var(--green-accent); transform: translateY(-2px); }

/* HERO (RETECH) */
.hero-rt {
  position: relative;
  background-image: url('assets/1d683eb0-16ac-42a5-a744-f8ecfef29284.jpg');
  background-size: cover;
  background-position: center;
  padding: 120px 40px 70px;
  overflow: hidden;
}
.hero-rt::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 80%;
  background-image: url('assets/0c9f1159-672e-46e9-bc60-e3f4bd15808d.jpg');
  background-size: cover;
  background-position: top center;
  opacity: 0.65;
  -webkit-mask-image: linear-gradient(to bottom, black 20%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 20%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}
.hero-rt::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 45%;
  height: 60%;
  background-image: url('assets/0c9f1159-672e-46e9-bc60-e3f4bd15808d.jpg');
  background-size: cover;
  background-position: bottom left;
  opacity: 0.55;
  -webkit-mask-image: radial-gradient(ellipse at bottom left, black 0%, transparent 70%);
  mask-image: radial-gradient(ellipse at bottom left, black 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero-rt-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 60px;
}
.hero-rt-content { flex: 1; }
.hero-rt-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #1a1a1a;
  line-height: 1.2;
  margin-bottom: 20px;
}
.hero-rt-content p {
  font-size: 0.95rem;
  color: #555;
  margin-bottom: 32px;
  max-width: 380px;
}
.btn-recycle-now {
  background: #4a5c3e;
  color: var(--white);
  border: none;
  padding: 13px 32px;
  border-radius: 6px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.5px;
}
.btn-recycle-now:hover { background: var(--green-mid); transform: translateY(-2px); }
.hero-rt-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-rt-image img {
  max-width: 480px;
  width: 100%;
  filter: drop-shadow(0 12px 32px rgba(0,0,0,0.12));
}

/* FEATURES BAR */
.features-bar-rt {
  background-image: url('assets/251383a3-1247-4f3d-a8c6-bc3789bec54f.jpg');
  background-size: cover;
  background-position: center;
  display: flex;
}
.feature-rt {
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 28px 28px;
  border-right: 1px solid rgba(255,255,255,0.12);
}
.feature-rt:last-child { border-right: none; }
.feature-icon-rt {
  width: 48px;
  height: 48px;
  background: rgba(0,0,0,0.25);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  padding: 6px;
}
.feature-icon-rt img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: invert(1) brightness(10);
}
.feature-text-rt strong {
  display: block;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.feature-text-rt p {
  color: rgba(255,255,255,0.72);
  font-size: 0.76rem;
  line-height: 1.6;
  margin: 0;
}

/* HOW CAN YOU HELP */
.how-rt {
  background-image: url('assets/a0f7fbac-c774-458c-a1fe-d3de8386a4b4 (1).jpg');
  background-size: cover;
  background-position: center;
  padding: 70px 40px 60px;
}
.how-rt-container { max-width: 1200px; margin: 0 auto; }
.how-rt h2 {
  text-align: center;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: #1a1a1a;
  margin-bottom: 48px;
  letter-spacing: 1px;
}
.how-rt-body {
  display: flex;
  align-items: center;
  gap: 40px;
}
.video-rt {
  flex: 3;
  background: #4a5c3e;
  border-radius: 12px;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.82);
  font-size: 1.05rem;
  font-weight: 500;
  font-family: 'Poppins', sans-serif;
}
.how-rt-img {
  flex: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}
.how-rt-img img {
  max-width: 100%;
  width: 300px;
}

/* STEP CARDS */
.steps-rt {
  background-image: url('assets/1d683eb0-16ac-42a5-a744-f8ecfef29284.jpg');
  background-size: cover;
  background-position: center;
  padding: 10px 40px 80px;
}
.steps-rt-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step-rt-card {
  background: rgba(255,255,255,0.88);
  border-radius: 16px;
  padding: 28px 18px 24px;
  text-align: center;
  box-shadow: 0 4px 18px rgba(0,0,0,0.07);
  transition: var(--transition);
}
.step-rt-card:hover { transform: translateY(-6px); box-shadow: 0 10px 32px rgba(0,0,0,0.12); }
.step-rt-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 160px;
  height: 160px;
  margin: 0 auto 14px;
}
.step-rt-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.fa-icon-wrap { font-size: 7.5rem; color: #3a7d44; }
.step-rt-card h3 {
  font-size: 0.92rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 8px;
}
.step-rt-card p {
  font-size: 0.78rem;
  color: #666;
  line-height: 1.65;
}

/* Footer RETECH logo */
.footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-logo-img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 6px;
}
.footer-logo-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 1px;
}

/* ===================== ABOUT PAGE RETECH ===================== */

.about-hero-rt {
  background-image: url('assets/251383a3-1247-4f3d-a8c6-bc3789bec54f.jpg');
  background-size: cover;
  background-position: center;
  padding: 100px 40px 60px;
}
.about-hero-rt-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 60px;
}
.about-hero-rt-content { flex: 1; }
.about-hero-rt-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
  line-height: 1.1;
}
.about-hero-rt-content p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.8;
  max-width: 480px;
}
.about-hero-rt-content p strong { color: #fff; }
.about-hero-rt-image {
  flex: 1;
  display: flex;
  justify-content: center;
}
.about-hero-rt-image img {
  max-width: 420px;
  width: 100%;
  filter: drop-shadow(0 10px 28px rgba(0,0,0,0.2));
}

/* OUR MISSION */
.mission-rt {
  background-image: url('assets/a0f7fbac-c774-458c-a1fe-d3de8386a4b4 (1).jpg');
  background-size: cover;
  background-position: center;
  padding: 70px 40px 80px;
}
.mission-rt-container { max-width: 1200px; margin: 0 auto; }
.mission-rt h2 {
  text-align: center;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: #1a1a1a;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 36px;
}
.mission-rt-placeholder {
  background: rgba(200,200,200,0.35);
  border-radius: 12px;
  height: 200px;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 2px dashed rgba(100,100,100,0.25);
}
.mission-rt-placeholder i {
  font-size: 2.5rem;
  color: rgba(80,80,80,0.35);
}
.mission-rt-placeholder span {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(80,80,80,0.45);
  letter-spacing: 0.5px;
}
.mission-rt-grid {
  display: flex;
  gap: 24px;
}
.mission-rt-card {
  flex: 1;
  background: rgba(255,255,255,0.82);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 18px rgba(0,0,0,0.07);
  transition: var(--transition);
}
.mission-rt-card:hover { transform: translateY(-6px); box-shadow: 0 10px 32px rgba(0,0,0,0.12); }
.mission-rt-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 90px;
  margin-bottom: 16px;
}
.mission-rt-icon i {
  font-size: 3rem;
  color: #3a7d44;
}
.mission-rt-icon img {
  height: 80px;
  width: 80px;
  object-fit: contain;
}
.mission-rt-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 10px;
}
.mission-rt-card p {
  font-size: 0.8rem;
  color: #666;
  line-height: 1.65;
}

/* ===================== CONTACT PAGE RETECH ===================== */
.contact-hero {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
  padding: 120px 80px 80px;
  max-width: 100%;
  width: 100%;
  margin: 0;
  box-sizing: border-box;
  background-image: url('assets/1d683eb0-16ac-42a5-a744-f8ecfef29284.jpg');
  background-size: cover;
  background-position: center;
  position: relative;
}
.contact-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(18, 48, 18, 0.72);
}
.contact-hero > * { position: relative; z-index: 1; }
.contact-hero-text h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.contact-hero-text > p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
}
.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.92);
}
.contact-detail-item i {
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 0;
}
.contact-social a {
  background: rgba(255,255,255,0.15);
  border: none;
}
.contact-social i { color: #fff; }
.contact-social a:hover { background: var(--green-accent); }
.contact-form {
  background: rgba(210, 235, 210, 0.88);
  border-radius: 16px;
  padding: 40px 36px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-form input,
.contact-form textarea {
  background: rgba(160, 210, 160, 0.35);
  border: none;
  border-radius: 8px;
  padding: 13px 16px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  color: var(--green-dark);
  transition: background 0.2s;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  background: rgba(160, 210, 160, 0.55);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: rgba(30,70,30,0.55); }
.full-btn {
  background: var(--green-dark);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 14px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.full-btn:hover { background: #1a3a10; }

/* ===================== RETECH RESPONSIVE ===================== */

/* ── Tablet (≤ 1024px) ── */
@media (max-width: 1024px) {
  /* Features bar */
  .features-bar-rt { flex-direction: column; }
  .feature-rt { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.12); }
  .feature-rt:last-child { border-bottom: none; }

  /* Step cards */
  .steps-rt-grid { grid-template-columns: repeat(2, 1fr); }

  /* About hero */
  .about-hero-rt { padding: 80px 32px 50px; }
  .about-hero-rt-container { gap: 36px; }
  .about-hero-rt-image img { max-width: 320px; }

  /* Mission */
  .mission-rt-grid { flex-wrap: wrap; }
  .mission-rt-card { flex: 1 1 calc(50% - 12px); }

  /* Recycle steps layout */
  .recycle-steps-layout { gap: 24px; }
  .recycle-steps-bulb { flex: 0 0 240px; }

  /* Contact hero */
  .contact-hero { grid-template-columns: 1fr 1fr; gap: 36px; padding: 100px 48px 60px; }

  /* Centers */
  .centers-section { padding: 50px 32px; }

  /* Tips */
  .tips-grid-section { padding: 60px 32px; }
}

/* ── Mobile (≤ 768px) ── */
@media (max-width: 768px) {
  /* Navbar */
  .nav-links .btn-involved { margin-left: 0; margin-top: 8px; width: 100%; }

  /* Hero */
  .hero-rt { padding: 100px 24px 50px; }
  .hero-rt-container { flex-direction: column; gap: 28px; text-align: center; }
  .hero-rt-content h1 { font-size: clamp(1.8rem, 6vw, 2.6rem); }
  .hero-rt-content p { max-width: 100%; }
  .hero-rt-image img { max-width: 280px; }

  /* How can you help */
  .how-rt { padding: 48px 24px; }
  .how-rt-body { flex-direction: column; }
  .video-rt { min-height: 200px; width: 100%; }
  .how-rt-img img { width: 200px; }

  /* Step cards */
  .steps-rt { padding: 10px 24px 52px; }
  .steps-rt-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

  /* CTA */
  .cta-content h2 { font-size: 1.5rem; }

  /* About hero */
  .about-hero-rt { padding: 90px 24px 48px; }
  .about-hero-rt-container { flex-direction: column; gap: 24px; text-align: center; }
  .about-hero-rt-image img { max-width: 260px; }

  /* Mission */
  .mission-rt { padding: 50px 24px; }
  .mission-rt-placeholder { height: 150px; }
  .mission-rt-grid { flex-direction: column; gap: 16px; }
  .mission-rt-card { flex: 1 1 100%; }

  /* Recycle steps section */
  .recycle-steps-section { padding: 48px 24px; }
  .recycle-steps-layout { flex-direction: column; gap: 32px; }
  .recycle-steps-bulb {
    flex: 0 0 auto;
    width: 100%;
    justify-content: center;
  }
  .recycle-steps-bulb img { max-width: 200px; }
  .recycle-step { gap: 12px; }
  .recycle-step-icon { width: 48px; height: 48px; }
  .recycle-step-content { padding: 12px 14px; gap: 12px; }
  .step-img { width: 80px; height: 64px; }

  /* Accepted items */
  .accepted-items { padding: 48px 24px; }
  .accepted-items-container { padding: 24px 20px; border-radius: 14px; }
  .items-grid { grid-template-columns: repeat(2, 1fr); }

  /* Centers */
  .centers-section { padding: 48px 20px; }
  .centers-search { flex-direction: column; gap: 12px; align-items: stretch; }
  .search-bar { width: 100%; }
  .region-select { width: 100%; }

  /* Tips */
  .tips-grid-section { padding: 48px 20px; }
  .tips-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* Guide video */
  .guide-video-section { padding: 48px 20px 60px; }
  .guide-video { min-height: 220px; }

  /* Contact hero */
  .contact-hero {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 100px 24px 52px;
  }
  .contact-form { padding: 28px 20px; }

  /* Footer */
  .footer-logo-wrap { justify-content: flex-start; }
}

/* ── Small mobile (≤ 480px) ── */
@media (max-width: 480px) {
  /* Hero */
  .hero-rt-content h1 { font-size: 1.7rem; }
  .btn-recycle-now { font-size: 0.85rem; padding: 12px 24px; }

  /* Step cards */
  .steps-rt-grid { grid-template-columns: 1fr; }

  /* About hero */
  .about-hero-rt-content h1 { font-size: 2rem; }
  .about-hero-rt-image { display: none; }

  /* Mission */
  .mission-rt-grid { gap: 12px; }

  /* Recycle step card content */
  .recycle-step-content { flex-direction: column; text-align: center; }
  .step-img { width: 100%; height: 80px; }
  .recycle-steps-bulb { display: none; }

  /* Accepted items */
  .accepted-items-container { padding: 18px 14px; }

  /* Tips */
  .tips-grid { grid-template-columns: 1fr !important; }

  /* Contact */
  .contact-hero { padding: 90px 16px 44px; }
  .contact-form { padding: 22px 16px; }
  .contact-hero-text h1 { font-size: 2.2rem; letter-spacing: 1px; }

  /* Footer */
  .footer-grid { gap: 24px; }
  .newsletter-form { flex-direction: column; }
  .newsletter-form input { min-width: unset; }
}