/* =========================================================
   VOLTERA GLOBAL — Marketing Homepage Stylesheet
   Green -> Teal -> Deep Navy palette
   ========================================================= */

:root {
  --green:        #16c47f;
  --green-light:  #4ade80;
  --teal:         #0ea5a4;
  --teal-deep:    #0b8f8e;
  --navy:         #0a1f33;
  --navy-2:       #0d2a45;
  --navy-3:       #113a5e;
  --ink:          #0f2233;
  --slate:        #4a5b6b;
  --muted:        #6b7c8c;
  --line:         #e4ecf2;
  --bg:           #ffffff;
  --bg-soft:      #f4faf7;
  --bg-soft-2:    #eef6f9;
  --white:        #ffffff;

  --grad-brand:   linear-gradient(135deg, #16c47f 0%, #0ea5a4 45%, #113a5e 100%);
  --grad-navy:    linear-gradient(160deg, #0a1f33 0%, #0d2a45 55%, #0b3a4a 100%);
  --grad-green:   linear-gradient(135deg, #16c47f 0%, #0ea5a4 100%);

  --shadow-sm:    0 4px 14px rgba(11, 58, 74, 0.08);
  --shadow-md:    0 12px 34px rgba(11, 58, 74, 0.12);
  --shadow-lg:    0 26px 60px rgba(10, 31, 51, 0.20);

  --radius:       18px;
  --radius-sm:    12px;
  --radius-lg:    26px;

  --maxw:         1200px;
  --header-h:     78px;

  --font: 'Poppins', 'Open Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; }

/* ---------- Reusable bits ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--teal-deep);
  background: rgba(22, 196, 127, 0.10);
  padding: 7px 16px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.eyebrow i { font-size: 14px; }

.section-head { max-width: 720px; margin: 0 auto 54px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }

h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; color: var(--ink); letter-spacing: -0.5px; }

.section-title { font-size: clamp(28px, 4vw, 42px); margin-bottom: 16px; }
.section-sub { color: var(--slate); font-size: 17px; }

.text-gradient {
  background: var(--grad-green);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 30px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-green);
  color: #fff;
  box-shadow: 0 12px 26px rgba(16, 196, 127, 0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 34px rgba(16, 196, 127, 0.45); }
.btn-ghost {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.18); transform: translateY(-3px); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background .3s ease, box-shadow .3s ease, height .3s ease;
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(228, 236, 242, 0.6);
}
.site-header.scrolled {
  background: rgba(255,255,255,0.92);
  box-shadow: 0 8px 30px rgba(10,31,51,0.08);
}
.header-inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 44px; width: auto; }
.brand-name { font-weight: 700; font-size: 20px; color: var(--navy); letter-spacing: -0.5px; }
.brand-name span { color: var(--teal-deep); }

.nav { display: flex; align-items: center; gap: 34px; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding: 6px 0;
  transition: color .2s ease;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--grad-green);
  transition: width .28s ease;
  border-radius: 2px;
}
.nav-links a:hover { color: var(--teal-deep); }
.nav-links a:hover::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-cta .btn { padding: 11px 24px; font-size: 14px; }
.btn-login {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--line);
}
.btn-login:hover { border-color: var(--teal); color: var(--teal-deep); transform: translateY(-2px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
}
.hamburger span {
  width: 26px; height: 3px;
  background: var(--navy);
  border-radius: 3px;
  transition: transform .3s ease, opacity .3s ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,31,51,0.45);
  backdrop-filter: blur(2px);
  z-index: 999;
  opacity: 0;
  transition: opacity .3s ease;
}
.nav-overlay.show { display: block; opacity: 1; }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 70px) 0 90px;
  background: var(--grad-navy);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(22,196,127,0.35) 0%, transparent 65%);
  filter: blur(20px);
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -25%; left: -12%;
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(14,165,164,0.30) 0%, transparent 65%);
  filter: blur(20px);
  z-index: 0;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: rgba(22,196,127,0.14);
  border: 1px solid rgba(22,196,127,0.35);
  color: var(--green-light);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}
.hero h1 {
  color: #fff;
  font-size: clamp(38px, 5.4vw, 62px);
  line-height: 1.08;
  margin-bottom: 14px;
}
.hero .tagline {
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 600;
  margin-bottom: 20px;
  background: linear-gradient(90deg, #4ade80, #2dd4bf);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.lead {
  font-size: 18px;
  color: rgba(233, 242, 248, 0.85);
  max-width: 560px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 34px;
  margin-top: 46px;
  flex-wrap: wrap;
}
.hero-stat h3 { color: #fff; font-size: 30px; }
.hero-stat h3 span { color: var(--green-light); }
.hero-stat p { color: rgba(233,242,248,0.7); font-size: 14px; margin: 0; }

.hero-visual { position: relative; }
.hero-visual .main-img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 6px solid rgba(255,255,255,0.08);
  width: 100%;
  height: 460px;
  object-fit: cover;
}
.hero-float {
  position: absolute;
  background: rgba(255,255,255,0.96);
  border-radius: 16px;
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
}
.hero-float i {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--grad-green);
  color: #fff;
  font-size: 18px;
}
.hero-float strong { font-size: 15px; display: block; }
.hero-float small { color: var(--muted); font-size: 12px; }
.hero-float.f1 { top: 26px; left: -26px; animation: floaty 5s ease-in-out infinite; }
.hero-float.f2 { bottom: 30px; right: -22px; animation: floaty 5s ease-in-out infinite 1.4s; }

@keyframes floaty {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-14px); }
}

.hero-wave { position: absolute; bottom: -1px; left: 0; width: 100%; z-index: 1; line-height: 0; }
.hero-wave svg { width: 100%; height: 70px; display: block; }

/* =========================================================
   PILLARS
   ========================================================= */
.pillars { padding: 0; margin-top: -60px; position: relative; z-index: 5; }
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.pillar-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 26px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
  text-align: center;
  transition: transform .3s ease, box-shadow .3s ease;
}
.pillar-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.pillar-icon {
  width: 62px; height: 62px;
  margin: 0 auto 18px;
  display: grid; place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(22,196,127,0.15), rgba(14,165,164,0.15));
  color: var(--teal-deep);
  font-size: 26px;
}
.pillar-card h3 { font-size: 20px; margin-bottom: 8px; }
.pillar-card p { color: var(--slate); font-size: 14.5px; margin: 0; }

/* =========================================================
   ABOUT
   ========================================================= */
.about { padding: 110px 0 90px; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-media { position: relative; }
.about-media .img-main {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  height: 480px;
  object-fit: cover;
}
.about-media .img-sub {
  position: absolute;
  bottom: -34px; right: -20px;
  width: 210px; height: 160px;
  object-fit: cover;
  border-radius: 18px;
  border: 6px solid #fff;
  box-shadow: var(--shadow-lg);
}
.about-badge {
  position: absolute;
  top: 26px; left: -24px;
  background: var(--grad-brand);
  color: #fff;
  border-radius: 18px;
  padding: 18px 22px;
  box-shadow: var(--shadow-lg);
}
.about-badge h3 { color: #fff; font-size: 30px; margin: 0; }
.about-badge p { margin: 0; font-size: 13px; opacity: .9; }

.about-content h2 { font-size: clamp(28px, 3.6vw, 40px); margin-bottom: 22px; }
.about-content p { color: var(--slate); font-size: 16.5px; margin-bottom: 18px; }
.about-tags { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.about-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 10px 18px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
}
.about-tag i { color: var(--green); }

/* =========================================================
   MVI (Mission / Vision / Integrity)
   ========================================================= */
.mvi { padding: 100px 0; background: var(--bg-soft); }
.mvi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.mvi-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px 32px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease;
  position: relative;
  overflow: hidden;
}
.mvi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 5px;
  background: var(--grad-green);
}
.mvi-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.mvi-icon {
  width: 64px; height: 64px;
  border-radius: 18px;
  display: grid; place-items: center;
  background: var(--grad-brand);
  color: #fff;
  font-size: 26px;
  margin-bottom: 22px;
}
.mvi-card h3 { font-size: 23px; margin-bottom: 14px; }
.mvi-card p { color: var(--slate); font-size: 15.5px; margin: 0; }

/* =========================================================
   FUTURE WITH US
   ========================================================= */
.future-us {
  padding: 100px 0;
  background: var(--grad-navy);
  color: #fff;
  overflow: hidden;
  position: relative;
}
.future-us::before {
  content: '';
  position: absolute;
  top: 10%; right: -8%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(22,196,127,0.22) 0%, transparent 65%);
  filter: blur(10px);
}
.future-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.future-us h2 { color: #fff; font-size: clamp(28px, 3.8vw, 42px); margin-bottom: 18px; }
.future-us .intro { color: rgba(233,242,248,0.82); font-size: 17px; margin-bottom: 20px; }
.future-us .closing {
  margin-top: 28px;
  font-size: 18px;
  font-weight: 600;
  color: var(--green-light);
}
.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 16px 18px;
  transition: background .25s ease, transform .25s ease;
}
.check-item:hover { background: rgba(22,196,127,0.14); transform: translateX(4px); }
.check-item i {
  color: var(--green-light);
  font-size: 18px;
  margin-top: 3px;
  flex-shrink: 0;
}
.check-item span { font-size: 15px; color: rgba(240,247,251,0.92); }

/* =========================================================
   FUTURE OF GREEN ENERGY (cards grid)
   ========================================================= */
.green-future { padding: 100px 0; }
.gf-intro { max-width: 780px; margin: 0 auto 20px; text-align: center; color: var(--slate); font-size: 17px; }
.trends-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin: 50px 0 40px;
}
.trend-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.trend-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: rgba(22,196,127,0.4); }
.trend-icon {
  width: 54px; height: 54px;
  border-radius: 15px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(22,196,127,0.14), rgba(14,165,164,0.14));
  color: var(--teal-deep);
  font-size: 22px;
  margin-bottom: 18px;
}
.trend-card h4 { font-size: 16.5px; line-height: 1.35; }
.gf-closing {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  font-size: 18px;
  color: var(--ink);
  background: var(--bg-soft);
  border-left: 4px solid var(--green);
  border-radius: 0 14px 14px 0;
  padding: 24px 28px;
}
.gf-closing strong { color: var(--teal-deep); }

/* =========================================================
   GALLERY
   ========================================================= */
.gallery { padding: 90px 0; background: var(--bg-soft); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 18px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item::after {
  content: attr(data-label);
  position: absolute;
  left: 18px; bottom: 16px;
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.6);
  z-index: 2;
}
.gallery-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(10,31,51,0.65) 100%);
  z-index: 1;
}
.gallery-item.wide { grid-column: span 2; }
.gallery-item.tall { grid-row: span 2; }

/* =========================================================
   LEADERSHIP / CEO
   ========================================================= */
.leadership { padding: 110px 0; }
.leader-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: center;
}
.leader-photo { position: relative; }
.leader-photo img {
  width: 100%;
  max-width: 420px;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.leader-photo .accent {
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 3px solid var(--green);
  border-radius: var(--radius-lg);
  z-index: -1;
}
.leader-flag {
  position: absolute;
  bottom: 22px; left: 22px;
  background: rgba(255,255,255,0.96);
  border-radius: 14px;
  padding: 12px 18px;
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 10px;
  font-weight: 600;
  color: var(--navy);
  font-size: 14px;
}
.leader-flag i { color: var(--teal-deep); font-size: 18px; }

.leader-content .quote-mark { font-size: 54px; color: rgba(22,196,127,0.25); line-height: 0.4; }
.leader-content blockquote {
  font-size: clamp(20px, 2.6vw, 27px);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.45;
  margin: 18px 0 26px;
}
.leader-name h3 { font-size: 22px; }
.leader-name p { color: var(--teal-deep); font-weight: 600; margin: 2px 0 0; }
.leader-hq {
  margin-top: 26px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 12px 22px;
  font-size: 15px;
  color: var(--slate);
}
.leader-hq i { color: var(--green); }

/* =========================================================
   REGIONS / CTA
   ========================================================= */
.regions { padding: 90px 0; background: var(--bg-soft); }
.regions-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  margin-top: 44px;
}
.region-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 18px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease;
}
.region-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.region-card i { font-size: 30px; color: var(--teal-deep); margin-bottom: 12px; }
.region-card h4 { font-size: 16px; margin: 0; }

.cta-band {
  margin: 0 auto;
  max-width: var(--maxw);
}
.cta-inner {
  background: var(--grad-brand);
  border-radius: var(--radius-lg);
  padding: 60px 50px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-inner::before {
  content: '';
  position: absolute;
  top: -40%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.18) 0%, transparent 65%);
}
.cta-inner h2 { color: #fff; font-size: clamp(26px, 3.6vw, 40px); margin-bottom: 14px; position: relative; }
.cta-inner p { color: rgba(255,255,255,0.9); font-size: 18px; margin-bottom: 30px; position: relative; }
.cta-inner .hero-actions { justify-content: center; position: relative; }
.cta-inner .btn-primary { background: #fff; color: var(--teal-deep); box-shadow: 0 12px 26px rgba(0,0,0,0.2); }
.cta-inner .btn-primary:hover { background: var(--navy); color: #fff; }
.cta-wrap { padding: 90px 24px; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  background: var(--grad-navy);
  color: rgba(233,242,248,0.75);
  padding: 70px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand img { height: 48px; margin-bottom: 18px; }
.footer-brand p { font-size: 15px; max-width: 320px; margin-bottom: 22px; }
.footer-tagline { color: var(--green-light); font-weight: 600; font-size: 15px; margin-bottom: 12px !important; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: #fff;
  transition: background .25s ease, transform .25s ease;
}
.footer-social a:hover { background: var(--grad-green); transform: translateY(-3px); }

.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { font-size: 14.5px; transition: color .2s ease, padding-left .2s ease; }
.footer-col ul li a:hover { color: var(--green-light); padding-left: 5px; }

.footer-contact-item { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; font-size: 14.5px; }
.footer-contact-item i {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: rgba(22,196,127,0.15);
  color: var(--green-light);
  flex-shrink: 0;
}
.footer-contact-item a:hover { color: var(--green-light); }

.footer-regions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding: 26px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  justify-content: center;
}
.footer-regions span {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; color: rgba(233,242,248,0.8);
}
.footer-regions i { color: var(--green); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0 30px;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 14px; margin: 0; }
.footer-bottom .links { display: flex; gap: 22px; }
.footer-bottom .links a { font-size: 14px; }
.footer-bottom .links a:hover { color: var(--green-light); }

/* ---------- Scroll-to-top ---------- */
.to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--grad-green);
  color: #fff;
  border: none;
  display: grid; place-items: center;
  font-size: 18px;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
  z-index: 900;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-4px); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 46px; }
  .hero-visual { max-width: 560px; }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .future-grid, .leader-grid { grid-template-columns: 1fr; gap: 46px; }
  .about-media { max-width: 560px; }
  .mvi-grid { grid-template-columns: 1fr; }
  .trends-grid { grid-template-columns: repeat(2, 1fr); }
  .regions-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 34px; }
  .leader-photo img { max-width: 100%; }
}

@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  .nav.mobile-open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: fixed;
    top: 0; right: 0;
    width: min(80vw, 320px);
    height: 100vh;
    background: #fff;
    padding: 100px 30px 40px;
    box-shadow: -20px 0 60px rgba(10,31,51,0.2);
    z-index: 1000;
    animation: slideIn .3s ease;
  }
  .nav.mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    width: 100%;
  }
  .nav.mobile-open .nav-links a {
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }
  .nav.mobile-open .nav-cta {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 12px;
    margin-top: 26px;
  }
  .nav.mobile-open .nav-cta .btn { width: 100%; padding: 14px; }
  @keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .pillars-grid { grid-template-columns: 1fr; }
  .trends-grid { grid-template-columns: 1fr; }
  .checklist { grid-template-columns: 1fr; }
  .regions-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 160px; }
  .gallery-item.wide { grid-column: span 2; }
  .gallery-item.tall { grid-row: span 1; }
  .footer-top { grid-template-columns: 1fr; }
  .hero-float.f1 { left: 6px; }
  .hero-float.f2 { right: 6px; }
  .hero .main-img, .hero-visual .main-img { height: 340px; }
  .about-media .img-sub { width: 150px; height: 120px; right: 0; }
  .cta-inner { padding: 44px 24px; }
  .hero-stats { gap: 22px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
