/* ============================================================
   LAYOUT — Header, Footer, Navigation, Container, Sections
   ============================================================ */

/* === CONTAINER === */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
@media (min-width: 640px) { .container { padding-left: 1.5rem; padding-right: 1.5rem; } }
@media (min-width: 1024px) { .container { padding-left: 2rem; padding-right: 2rem; } }

/* === SECTION === */
.gp-section {
  padding: var(--section-padding-y) 0;
}
.gp-section-alt {
  background: var(--gp-neutral-50);
}
.gp-section-green {
  background: linear-gradient(135deg, var(--gp-green-900) 0%, var(--gp-green-800) 100%);
  color: var(--gp-white);
}

/* === TOP BAR === */
.topbar {
  background: var(--gp-green-900);
  padding: 0.5rem 0;
  font-size: var(--text-sm);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4); flex-wrap: wrap;
}
.topbar-contact { display: flex; gap: var(--space-5); flex-wrap: wrap; }
.topbar-contact a {
  display: flex; align-items: center; gap: var(--space-2);
  color: rgba(255,255,255,0.8); font-size: var(--text-sm);
  text-decoration: none; transition: color var(--transition-fast);
}
.topbar-contact a:hover { color: var(--gp-saffron-400); }
.topbar-contact a i { font-size: 0.875rem; }
.topbar-location {
  display: flex; align-items: center; gap: var(--space-2);
  color: rgba(255,255,255,0.65); font-size: var(--text-sm);
}
@media (max-width: 767px) {
  .topbar-location { display: none; }
}

/* === HEADER === */
.site-header {
  background: var(--gp-white);
  box-shadow: 0 1px 0 var(--gp-neutral-200), 0 4px 16px rgba(0,0,0,0.06);
  position: sticky; top: 0; z-index: var(--z-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-height);
  gap: var(--space-4);
}

/* Brand / Logo */
.brand-link {
  display: flex; align-items: center; gap: var(--space-4);
  text-decoration: none; flex-shrink: 0;
}
.brand-emblem {
  width: 52px; height: 52px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--gp-green-800), var(--gp-green-600));
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--gp-white); font-size: 1.5rem;
  box-shadow: 0 2px 8px rgba(26,92,56,0.3);
}
.brand-text .name {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: var(--weight-bold);
  color: var(--gp-green-800);
  line-height: 1.2;
  display: block;
}
.brand-text .sub {
  font-size: var(--text-xs);
  color: var(--gp-green-700);
  display: block; margin-top: 2px;
  font-weight: 500;
}
.brand-certs {
  display: flex; gap: var(--space-1); margin-top: 4px;
}
.brand-certs img { height: 20px; width: auto; }

/* === NAVIGATION === */
.main-nav { display: flex; align-items: center; gap: var(--space-1); }
.main-nav a {
  display: inline-flex; align-items: center;
  padding: 0.5rem 0.875rem;
  font-size: var(--text-sm); font-weight: var(--weight-medium);
  color: var(--gp-neutral-700);
  border-radius: var(--radius-sm);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.main-nav a::after {
  content: ''; position: absolute; bottom: 4px; left: 0.875rem; right: 0.875rem;
  height: 2px; background: var(--gp-saffron-500);
  border-radius: 1px; transform: scaleX(0);
  transform-origin: left; transition: transform var(--transition-normal);
}
.main-nav a:hover, .main-nav a.active {
  color: var(--gp-green-800);
  background: var(--gp-green-50);
}
.main-nav a:hover::after, .main-nav a.active::after {
  transform: scaleX(1);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  padding: var(--space-2); cursor: pointer;
  background: none; border: none;
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--gp-neutral-700); border-radius: 2px;
  transition: all 0.3s ease; transform-origin: center;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 991px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; inset: 0 0 0 auto;
    width: min(320px, 80vw);
    flex-direction: column; align-items: stretch;
    background: var(--gp-white);
    padding: var(--space-20) var(--space-6) var(--space-8);
    box-shadow: -8px 0 32px rgba(0,0,0,0.15);
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
    z-index: var(--z-overlay);
    overflow-y: auto;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav a {
    padding: 0.875rem 1rem; font-size: var(--text-base);
    border-radius: 0;
    border-bottom: 1px solid var(--gp-neutral-100);
  }
  .main-nav a::after { display: none; }
  .nav-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: calc(var(--z-overlay) - 1);
  }
  .nav-overlay.open { display: block; }
}

/* === FOOTER === */
.site-footer {
  background: var(--gp-green-900);
  color: var(--gp-white);
}
.footer-top {
  padding: var(--space-20) 0 var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-10);
}
@media (max-width: 1023px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}
@media (max-width: 575px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand {
  display: flex; align-items: flex-start; gap: var(--space-4);
  margin-bottom: var(--space-5);
}
.footer-brand .emblem {
  width: 48px; height: 48px;
  background: rgba(255,255,255,0.1); border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; flex-shrink: 0;
}
.footer-brand .name { font-size: var(--text-lg); font-weight: var(--weight-bold); }
.footer-brand .sub { font-size: var(--text-sm); color: rgba(255,255,255,0.65); margin-top: 2px; display: block; }

.footer-ids { font-size: var(--text-sm); color: rgba(255,255,255,0.6); }
.footer-ids span { display: block; margin-bottom: var(--space-1); }

.footer-col h4 {
  font-size: var(--text-base); font-weight: var(--weight-semibold);
  color: var(--gp-saffron-400); margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-links a {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm); color: rgba(255,255,255,0.7);
  text-decoration: none; transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--gp-saffron-400); }
.footer-links a i { font-size: 0.75rem; flex-shrink: 0; }
.footer-contact-list { display: flex; flex-direction: column; gap: var(--space-4); }
.footer-contact-list li {
  display: flex; align-items: flex-start; gap: var(--space-3);
  font-size: var(--text-sm); color: rgba(255,255,255,0.7);
}
.footer-contact-list li i { color: var(--gp-saffron-400); flex-shrink: 0; margin-top: 2px; }
.footer-contact-list a { color: rgba(255,255,255,0.7); text-decoration: none; }
.footer-contact-list a:hover { color: var(--gp-saffron-400); }

.footer-bottom {
  padding: var(--space-5) 0;
  text-align: center;
  font-size: var(--text-sm); color: rgba(255,255,255,0.85);
  line-height: var(--lh-relaxed);
}

/* === SCROLL TO TOP === */
.scroll-top-btn {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  width: 44px; height: 44px;
  background: var(--gp-green-800); color: var(--gp-white);
  border: none; border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  z-index: 90;
}
.scroll-top-btn.visible { opacity: 1; pointer-events: auto; }
.scroll-top-btn:hover { background: var(--gp-green-700); transform: translateY(-2px); }

/* ─── Footer ─── */
.site-footer { background: var(--gp-green-900); color: rgba(255,255,255,0.75); margin-top: auto; }
.footer-top { padding: var(--space-12) 0 var(--space-8); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: var(--space-8); }
@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand { display: flex; align-items: flex-start; gap: var(--space-3); margin-bottom: var(--space-4); }
.footer-brand .emblem { width: 44px; height: 44px; background: rgba(255,255,255,.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.footer-brand .name { font-size: var(--text-base); font-weight: 700; color: var(--gp-white); display: block; }
.footer-brand .sub { font-size: var(--text-xs); opacity: .6; }
.footer-ids { display: flex; flex-direction: column; gap: var(--space-1); font-size: var(--text-xs); opacity: .5; margin-top: var(--space-3); }
.footer-col h4 { color: var(--gp-white); font-size: var(--text-sm); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; margin-bottom: var(--space-4); }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-links a { color: rgba(255,255,255,.65); text-decoration: none; font-size: var(--text-sm); display: flex; align-items: center; gap: var(--space-2); transition: color .2s; }
.footer-links a:hover { color: var(--gp-saffron-400); }
.footer-links .bi { font-size: .7rem; opacity: .5; }
.footer-contact-list { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-contact-list li { display: flex; gap: var(--space-3); align-items: flex-start; font-size: var(--text-sm); }
.footer-contact-list .bi { color: var(--gp-saffron-400); flex-shrink: 0; margin-top: 2px; }
.footer-contact-list a { color: rgba(255,255,255,.75); text-decoration: none; }
.footer-contact-list a:hover { color: var(--gp-saffron-300); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); padding: var(--space-5) 0; text-align: center; font-size: var(--text-xs); color: rgba(255,255,255,0.85); }

/* ─── Hero ─── */
.hero { position: relative; overflow: hidden; display: flex; align-items: center; }
.hero-slides { position: absolute; inset: 0; }
.hero-slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity 1s ease; }
.hero-slide.active { opacity: 1; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.15) 0%, rgba(13,46,26,.7) 100%); }
.hero-content { padding: var(--space-16) 0 var(--space-8); color: var(--gp-white); max-width: 700px; }
.hero-content .overline { font-size: var(--text-sm); font-weight: 600; letter-spacing: .08em; opacity: .8; margin-bottom: var(--space-4); display: flex; align-items: center; gap: var(--space-2); }
.hero-content h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700; line-height: 1.1; margin-bottom: var(--space-4); }
.hero-content p { font-size: var(--text-lg); opacity: .85; max-width: 520px; line-height: 1.6; margin-bottom: var(--space-6); }
.hero-actions { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.hero-dots { position: absolute; bottom: var(--space-6); left: 50%; transform: translateX(-50%); display: flex; gap: var(--space-2); z-index: 3; }
.hero-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.4); border: none; cursor: pointer; transition: background .3s, transform .3s; padding: 0; }
.hero-dot.active { background: var(--gp-saffron-400); transform: scale(1.3); }

/* ─── Stats bar ─── */
.stats-bar { background: linear-gradient(135deg, var(--gp-green-800) 0%, var(--gp-green-700) 100%); padding: var(--space-6) 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
@media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 400px) { .stats-grid { grid-template-columns: 1fr; } }
.stat-item { text-align: center; color: var(--gp-white); padding: var(--space-3); }
.stat-item i { display: block; font-size: 1.75rem; margin-bottom: var(--space-2); opacity: .8; }
.stat-item .number { display: block; font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; line-height: 1; margin-bottom: var(--space-1); }
.stat-item .label { font-size: var(--text-xs); opacity: .75; font-weight: 500; text-transform: uppercase; letter-spacing: .05em; }

/* ─── Page banner ─── */
.page-banner { background: linear-gradient(135deg, var(--gp-green-900) 0%, var(--gp-green-800) 60%, var(--gp-teal-800,#1b6359) 100%); color: white; padding: var(--space-10) 0 var(--space-8); }
.page-banner h1 { font-size: clamp(1.5rem, 4vw, 2.25rem); font-weight: 700; margin-bottom: var(--space-2); }
.page-banner p { font-size: var(--text-base); opacity: .75; max-width: 560px; }
.breadcrumb-nav { display: flex; gap: var(--space-2); align-items: center; margin-top: var(--space-4); font-size: var(--text-sm); opacity: .7; }
.breadcrumb-nav a { color: var(--gp-saffron-300); text-decoration: none; }
.breadcrumb-nav a:hover { color: var(--gp-saffron-200); }

/* ─── Sections ─── */
.gp-section { padding: var(--space-16) 0; }
.gp-section-alt { background: var(--gp-neutral-50); padding: var(--space-16) 0; }
.section-title { text-align: center; margin-bottom: var(--space-10); }
.section-title .label { display: inline-block; background: var(--gp-green-100); color: var(--gp-green-700); font-size: var(--text-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: var(--space-1) var(--space-4); border-radius: 100px; margin-bottom: var(--space-3); }
.section-title h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; color: var(--gp-green-900); margin-bottom: var(--space-3); }
.section-title p { color: var(--gp-neutral-500); max-width: 540px; margin: 0 auto; font-size: var(--text-base); }
.section-title::after { content: ''; display: block; width: 60px; height: 3px; background: linear-gradient(90deg, var(--gp-green-500), var(--gp-teal-500)); border-radius: 2px; margin: var(--space-4) auto 0; }

/* ─── Topbar ─── */
.topbar { background: var(--gp-green-900); color: rgba(255,255,255,.75); padding: 0.4rem 0; font-size: var(--text-xs); }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.topbar-contact { display: flex; gap: var(--space-5); }
.topbar-contact a, .topbar-location { color: rgba(255,255,255,.7); text-decoration: none; display: flex; align-items: center; gap: var(--space-2); }
.topbar-contact a:hover { color: var(--gp-saffron-300); }
.topbar-contact .bi, .topbar-location .bi { color: var(--gp-saffron-400); font-size: 0.8rem; }

/* ─── Header ─── */
.site-header { background: var(--gp-white); position: sticky; top: 0; z-index: var(--z-header); box-shadow: 0 1px 0 var(--gp-neutral-100); }
.header-inner { display: flex; align-items: center; gap: var(--space-6); height: 72px; }
.brand-link { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; flex-shrink: 0; }
.brand-emblem { width: 44px; height: 44px; background: var(--gp-green-700); color: white; border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; font-size: 1.25rem; flex-shrink: 0; }
.brand-text .name { display: block; font-weight: 700; font-size: var(--text-base); color: var(--gp-green-900); line-height: 1.2; }
.brand-text .sub { display: block; font-size: 0.65rem; color: var(--gp-green-700); font-weight: 500; }
.brand-certs { display: flex; gap: var(--space-1); margin-top: var(--space-1); }
.main-nav { display: flex; align-items: center; gap: var(--space-1); margin-left: auto; }
.main-nav a { color: var(--gp-neutral-600); text-decoration: none; font-size: var(--text-sm); font-weight: 500; padding: var(--space-2) var(--space-3); border-radius: var(--radius-md); transition: color .2s, background .2s; }
.main-nav a:hover { color: var(--gp-green-700); background: var(--gp-green-50); }
.main-nav a.active { color: var(--gp-green-700); background: var(--gp-green-50); font-weight: 600; }
.nav-toggle { display: none; background: none; border: 1.5px solid var(--gp-neutral-200); border-radius: var(--radius-md); width: 40px; height: 40px; cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; padding: 0; margin-left: auto; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--gp-neutral-600); border-radius: 2px; transition: var(--transition-base); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: calc(var(--z-header) - 1); }
.nav-overlay.active { display: block; }
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav { position: fixed; top: 0; right: -100%; bottom: 0; width: min(320px, 85vw); background: var(--gp-white); flex-direction: column; align-items: flex-start; padding: 5rem var(--space-6) var(--space-6); z-index: var(--z-header); box-shadow: var(--shadow-xl); transition: right .35s cubic-bezier(.4,0,.2,1); margin-left: 0; gap: var(--space-1); }
  .main-nav.open { right: 0; }
  .main-nav a { width: 100%; font-size: var(--text-base); padding: var(--space-3) var(--space-4); }
}

/* ─── Container ─── */
.container { width: 100%; max-width: var(--container-max); margin-left: auto; margin-right: auto; padding-left: var(--space-5); padding-right: var(--space-5); }

/* ─── Demo notice ─── */
.demo-notice { background: var(--gp-saffron-50); border: 1.5px solid var(--gp-saffron-300); border-radius: var(--radius-lg); padding: var(--space-3) var(--space-5); font-size: var(--text-sm); color: var(--gp-saffron-700); margin-bottom: var(--space-6); }

/* ─── Scroll top ─── */
.scroll-top-btn { position: fixed; bottom: var(--space-6); right: var(--space-6); width: 44px; height: 44px; background: var(--gp-green-700); color: white; border: none; border-radius: 50%; display: none; align-items: center; justify-content: center; font-size: 1.1rem; cursor: pointer; box-shadow: var(--shadow-lg); z-index: var(--z-tooltip); transition: background .2s; }
.scroll-top-btn.visible { display: flex; }
.scroll-top-btn:hover { background: var(--gp-green-800); }

/* ─── Buttons ─── */
.btn-gp { display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-6); border-radius: var(--radius-lg); font-family: inherit; font-size: var(--text-sm); font-weight: 600; cursor: pointer; transition: var(--transition-base); text-decoration: none; border: 2px solid transparent; }
.btn-gp-primary { background: var(--gp-green-700); color: white; }
.btn-gp-primary:hover { background: var(--gp-green-800); }
.btn-gp-outline { background: transparent; border-color: var(--gp-green-700); color: var(--gp-green-700); }
.btn-gp-outline:hover { background: var(--gp-green-700); color: white; }
.btn-gp-saffron { background: var(--gp-saffron-500); color: var(--gp-neutral-900); }
.btn-gp-saffron:hover { background: var(--gp-saffron-600); }

/* ─── Skip link ─── */
.skip-link { position: absolute; top: -40px; left: var(--space-4); background: var(--gp-green-700); color: white; padding: var(--space-2) var(--space-4); border-radius: 0 0 var(--radius-md) var(--radius-md); font-size: var(--text-sm); font-weight: 600; text-decoration: none; z-index: 9999; transition: top .2s; }
.skip-link:focus { top: 0; }

/* ─── Badges ─── */
.badge { display: inline-block; font-size: 0.7rem; font-weight: 700; padding: 2px 8px; border-radius: 100px; }
.badge-green { background: var(--gp-green-100); color: var(--gp-green-700); }
.badge-saffron { background: var(--gp-saffron-100); color: var(--gp-saffron-700); }

/* ─── map container ─── */
.map-container iframe { display: block; }