/* ============================================================
   NANOGLOW ENERGY — main.css
   Global styles, CSS variables, component styles
   ============================================================ */

/* ── CSS Variables ── */
:root {
  /* Brand colours */
  --orange:        #F0901C;
  --orange-deep:   #D97A10;
  --orange-light:  #FEF3E6;
  --orange-mid:    #FDE3BE;

  /* Neutrals */
  --charcoal:      #2C2C2C;
  --charcoal-mid:  #484848;
  --charcoal-lt:   #6A6A6A;
  --bg:            #FFFFFF;
  --bg-soft:       #F8F7F5;
  --bg-warm:       #FDFAF6;
  --border:        rgba(44,44,44,0.10);
  --border-lt:     rgba(44,44,44,0.06);

  /* Typography */
  --font:          "Outfit", sans-serif;
  --nav-height:    68px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--charcoal);
  overflow-x: hidden;
  line-height: 1.5;
}

a {
  text-decoration: none;
  color: inherit;
}

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

/* ── Utility ── */
.eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.75rem;
}

.section-pad {
  padding: 6rem 3.5rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 300;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3.5rem;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-lt);
  transition: box-shadow 0.3s ease;
}

nav.scrolled {
  box-shadow: 0 2px 24px rgba(44,44,44,0.07);
}

/* Logo */
.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav-logo-main {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--charcoal);
}

.nav-logo-main .orange {
  color: var(--orange);
}

.nav-logo-sub {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--charcoal-lt);
  margin-top: 2px;
}

/* Nav links */
.nav-links {
  display: flex;
  list-style: none;
  gap: 0;
  align-items: center;
}

.nav-links a {
  display: block;
  height: var(--nav-height);
  line-height: var(--nav-height);
  padding: 0 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--charcoal-mid);
  transition: color 0.2s;
  position: relative;
}

.nav-links a:hover {
  color: var(--orange);
}

.nav-links a.active {
  color: var(--orange);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 2px;
  background: var(--orange);
  border-radius: 2px 2px 0 0;
}

/* CTA button */
.nav-cta {
  background: var(--orange);
  color: white !important;
  padding: 0.6rem 1.5rem !important;
  border-radius: 100px;
  font-size: 0.85rem !important;
  font-weight: 600 !important;
  height: auto !important;
  line-height: 1.4 !important;
  transition: background 0.2s, transform 0.15s !important;
}

.nav-cta:hover {
  background: var(--orange-deep) !important;
  color: white !important;
  transform: translateY(-1px);
}

/* Language switcher */
.nav-lang {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--charcoal-lt);
  letter-spacing: 0.05em;
  margin-right: 1rem;
  cursor: pointer;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
  aria-label: "Toggle menu";
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--charcoal);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Mobile nav */
@media (max-width: 768px) {
  nav {
    padding: 0 1.5rem;
    flex-wrap: wrap;
    height: auto;
    min-height: var(--nav-height);
  }

  .nav-logo {
    height: var(--nav-height);
    justify-content: center;
  }

  .nav-hamburger {
    display: flex;
    height: var(--nav-height);
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    background: white;
    border-top: 1px solid var(--border-lt);
    padding: 0.5rem 0;
  }

  .nav-links a {
    height: 48px;
    line-height: 48px;
    padding: 0 1.5rem;
    width: 100%;
  }

  .nav-links a.active::after {
    display: none;
  }

  .nav-lang {
    display: none;
  }

  nav.nav-open .nav-links {
    display: flex;
  }

  .nav-cta {
    margin: 0.5rem 1.5rem 0.75rem !important;
    width: calc(100% - 3rem);
    text-align: center;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: #1E1E1E;
  padding: 5rem 3.5rem 2.5rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  text-transform: uppercase;
  color: white;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

.footer-logo-text .orange {
  color: var(--orange);
}

.footer-tagline {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.35);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  max-width: 280px;
}

.footer-contact-item {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.3);
  margin-bottom: 0.35rem;
}

.footer-col-h {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  margin-bottom: 1.2rem;
  font-weight: 600;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.4);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.74rem;
  color: rgba(255,255,255,0.22);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  color: rgba(255,255,255,0.22);
  transition: color 0.2s;
}

.footer-bottom-links a:hover {
  color: rgba(255,255,255,0.5);
}

@media (max-width: 900px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  footer {
    padding: 3rem 1.5rem 2rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ============================================================
   PAGE HERO (shared short hero for inner pages)
   ============================================================ */
.page-hero {
  min-height: 50vh;
  background: var(--charcoal);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-height) + 4rem) 3.5rem 4rem;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(240,144,28,0.15) 1.5px, transparent 1.5px);
  background-size: 36px 36px;
  animation: driftGrid 20s linear infinite;
  opacity: 0.5;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: white;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.page-hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.page-hero .btn-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.8rem 1.8rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  line-height: 1;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-orange {
  background: var(--orange);
  color: white;
}

.btn-orange:hover {
  background: var(--orange-deep);
  box-shadow: 0 4px 18px rgba(240,144,28,0.3);
}

.btn-outline-white {
  background: transparent;
  color: white;
  border: 1.5px solid rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
  border-color: white;
  background: rgba(255,255,255,0.08);
}

.btn-dark {
  background: var(--charcoal);
  color: white;
}

.btn-dark:hover {
  background: #404040;
}

.btn-outline-orange {
  background: transparent;
  color: var(--orange);
  border: 1.5px solid var(--orange);
}

.btn-outline-orange:hover {
  background: var(--orange);
  color: white;
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.d1 { transition-delay: 0.1s; }
.d2 { transition-delay: 0.2s; }
.d3 { transition-delay: 0.3s; }
.d4 { transition-delay: 0.4s; }

/* ============================================================
   HOMEPAGE HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  padding-top: var(--nav-height);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--charcoal);
  overflow: hidden;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(240,144,28,0.18) 1.5px, transparent 1.5px);
  background-size: 36px 36px;
  animation: driftGrid 18s linear infinite;
}

.hero-bg::after {
  content: '';
  position: absolute;
  width: 900px;
  height: 900px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240,144,28,0.22) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation: glowPulse 6s ease-in-out infinite;
}

@keyframes driftGrid {
  0%   { background-position: 0 0; }
  100% { background-position: 36px 36px; }
}

@keyframes glowPulse {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50%       { transform: scale(1.12); opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 5rem 3.5rem 5rem;
  max-width: 900px;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(240,144,28,0.7);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--orange);
}

.hero h1 {
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  color: white;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.hero-cycle-wrap {
  overflow: hidden;
  height: 1.05em;
  display: inline-block;
  vertical-align: bottom;
}

.hero-cycle {
  display: flex;
  flex-direction: column;
  transition: transform 0.65s cubic-bezier(0.76, 0, 0.24, 1);
}

.hero-cycle span {
  display: block;
  height: 1.05em;
  line-height: 1.05;
  color: var(--orange);
}

.hero-bottom-row {
  display: flex;
  align-items: flex-start;
  gap: 3rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.75;
  max-width: 440px;
  flex: 1 1 300px;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  flex: 0 0 auto;
  margin-top: 0.2rem;
}

/* Slide dots */
.hero-dots {
  position: absolute;
  bottom: 2.5rem;
  right: 3.5rem;
  display: flex;
  gap: 0.5rem;
  z-index: 2;
}

.hero-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
  border: none;
  padding: 0;
}

.hero-dot.active {
  background: var(--orange);
  transform: scale(1.3);
}

@media (max-width: 768px) {
  .hero-content {
    padding: 3rem 1.5rem 4rem;
  }

  .hero h1 {
    font-size: clamp(2.4rem, 8vw, 3.5rem);
  }

  .hero-bottom-row {
    flex-direction: column;
    gap: 1.5rem;
  }

  .hero-dots {
    right: 1.5rem;
  }
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  padding: 1.8rem 3.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.trust-bar-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--charcoal-lt);
  white-space: nowrap;
}

.trust-bar-items {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--charcoal-mid);
  font-weight: 500;
}

.trust-item::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .trust-bar {
    padding: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}

/* ============================================================
   STATS SPLIT (Homepage)
   ============================================================ */
.stats-split {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  align-items: stretch;
  padding: 6rem 3.5rem;
  gap: 0;
}

.stats-divider {
  background: var(--border);
  align-self: stretch;
  margin: 0 3rem;
}

.stats-left {
  padding-right: 3rem;
}

.stats-left h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.stats-left p {
  font-size: 0.95rem;
  color: var(--charcoal-lt);
  line-height: 1.75;
  margin-bottom: 2rem;
  max-width: 420px;
}

.stats-right {
  padding-left: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
}

.stat-box {
  background: var(--bg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--charcoal);
  line-height: 1;
}

.stat-num .unit {
  color: var(--orange);
}

.stat-label {
  font-size: 0.82rem;
  color: var(--charcoal-lt);
  line-height: 1.55;
}

@media (max-width: 900px) {
  .stats-split {
    grid-template-columns: 1fr;
    padding: 4rem 1.5rem;
  }

  .stats-divider {
    display: none;
  }

  .stats-left {
    padding-right: 0;
    margin-bottom: 3rem;
  }

  .stats-right {
    padding-left: 0;
  }
}

/* ============================================================
   SOLUTIONS PAGE
   ============================================================ */
.solutions-section {
  padding: 6rem 3.5rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1rem;
  color: var(--charcoal-lt);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
}

.sol-card {
  background: var(--bg);
  padding: 2.2rem 2rem 2.8rem;
  position: relative;
  overflow: hidden;
  transition: background 0.35s;
  cursor: default;
}

.sol-num {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 3rem;
  font-weight: 800;
  color: var(--charcoal);
  opacity: 0.04;
  line-height: 1;
  transition: color 0.35s;
}

.sol-icon {
  width: 46px;
  height: 46px;
  background: var(--orange-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: background 0.35s;
}

.sol-icon svg {
  width: 22px;
  height: 22px;
  color: var(--orange);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sol-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--orange);
  background: var(--orange-light);
  padding: 0.25rem 0.65rem;
  border-radius: 100px;
  margin-bottom: 0.85rem;
  transition: background 0.35s, color 0.35s;
}

.sol-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  transition: color 0.35s;
}

.sol-body {
  font-size: 0.875rem;
  color: var(--charcoal-lt);
  line-height: 1.7;
  transition: color 0.35s;
}

.sol-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--orange);
  margin-top: 1.25rem;
  transition: gap 0.2s, color 0.35s;
}

.sol-card:hover {
  background: var(--charcoal);
}

.sol-card:hover .sol-title,
.sol-card:hover .sol-num {
  color: white;
  opacity: 1;
}

.sol-card:hover .sol-num {
  opacity: 0.08;
}

.sol-card:hover .sol-body {
  color: rgba(255,255,255,0.5);
}

.sol-card:hover .sol-tag {
  background: rgba(240,144,28,0.2);
  color: var(--orange);
}

.sol-card:hover .sol-icon {
  background: rgba(240,144,28,0.15);
}

.sol-card:hover .sol-link {
  color: var(--orange);
  gap: 0.7rem;
}

@media (max-width: 900px) {
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .solutions-section {
    padding: 4rem 1.5rem;
  }

  .solutions-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Sector Section ── */
.sector-section {
  background: var(--bg-soft);
  padding: 6rem 3.5rem;
}

.sector-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  margin-top: 3rem;
}

.sector-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  gap: 2rem;
  background: var(--bg);
  padding: 2rem 2.5rem;
  transition: background 0.25s;
  cursor: default;
}

.sector-row:hover {
  background: var(--orange-light);
}

.sector-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--border);
  transition: color 0.25s;
  line-height: 1;
}

.sector-row:hover .sector-num {
  color: var(--orange);
}

.sector-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.sector-desc {
  font-size: 0.875rem;
  color: var(--charcoal-lt);
  line-height: 1.6;
}

.sector-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
}

.chip {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--charcoal-mid);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .sector-section {
    padding: 4rem 1.5rem;
  }

  .sector-row {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.5rem;
  }

  .sector-num {
    display: none;
  }

  .sector-chips {
    justify-content: flex-start;
  }
}

/* ============================================================
   ESG PAGE
   ============================================================ */
.esg-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 600px;
}

.esg-left {
  background: var(--bg-soft);
  padding: 5rem 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.esg-left h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.esg-left p {
  font-size: 0.95rem;
  color: var(--charcoal-lt);
  line-height: 1.75;
  margin-bottom: 2rem;
  max-width: 420px;
}

.esg-right {
  background: var(--bg);
  display: flex;
  flex-direction: column;
}

.esg-row {
  display: flex;
  gap: 1.5rem;
  padding: 2.5rem 3rem;
  border-bottom: 1px solid var(--border-lt);
  transition: background 0.2s;
  cursor: default;
}

.esg-row:last-child {
  border-bottom: none;
}

.esg-row:hover {
  background: var(--orange-light);
}

.esg-letter {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
  flex-shrink: 0;
  width: 2.5rem;
}

.esg-row-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.esg-row-desc {
  font-size: 0.875rem;
  color: var(--charcoal-lt);
  line-height: 1.65;
}

.esg-row-desc li {
  list-style: none;
  padding: 0.15rem 0;
}

.esg-row-desc li::before {
  content: '— ';
  color: var(--orange);
}

@media (max-width: 900px) {
  .esg-split {
    grid-template-columns: 1fr;
  }

  .esg-left {
    padding: 3rem 1.5rem;
  }

  .esg-row {
    padding: 2rem 1.5rem;
  }
}

/* Deliverables */
.esg-deliverables-section {
  padding: 6rem 3.5rem;
  background: var(--bg-soft);
}

.esg-deliverables {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

.deliverable-card {
  background: white;
  border-left: 3px solid var(--orange);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  transition: box-shadow 0.2s, transform 0.2s;
}

.deliverable-card:hover {
  box-shadow: 0 4px 20px rgba(44,44,44,0.08);
  transform: translateY(-2px);
}

.deliverable-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.deliverable-card p {
  font-size: 0.82rem;
  color: var(--charcoal-lt);
  line-height: 1.55;
}

@media (max-width: 768px) {
  .esg-deliverables-section {
    padding: 4rem 1.5rem;
  }

  .esg-deliverables {
    grid-template-columns: 1fr;
  }
}

/* Promise Strip */
.promise-strip {
  background: var(--charcoal);
  padding: 7rem 3.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.promise-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(240,144,28,0.08) 1.5px, transparent 1.5px);
  background-size: 36px 36px;
}

.promise-strip-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
}

.promise-icon {
  margin: 0 auto 2rem;
  width: 64px;
  height: 64px;
}

.promise-strip h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  color: white;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.promise-strip h2 em {
  color: var(--orange);
  font-style: italic;
}

.promise-strip p {
  font-size: 1rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

@media (max-width: 768px) {
  .promise-strip {
    padding: 5rem 1.5rem;
  }
}

/* ============================================================
   SUNGROW PAGE
   ============================================================ */
.sungrow-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 6rem 3.5rem;
}

.sungrow-left {
  padding-right: 4rem;
  border-right: 1px solid var(--border);
}

.sungrow-right {
  padding-left: 4rem;
}

.sungrow-left h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.sungrow-left p {
  font-size: 0.95rem;
  color: var(--charcoal-lt);
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

.sungrow-stats-mini {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  margin-bottom: 2.5rem;
}

.sungrow-stat {
  background: var(--bg-soft);
  padding: 1.5rem;
}

.sungrow-stat .num {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.sungrow-stat .num .unit {
  color: var(--orange);
}

.sungrow-stat .lbl {
  font-size: 0.8rem;
  color: var(--charcoal-lt);
  line-height: 1.5;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
}

.product-card {
  background: var(--bg);
  padding: 1.5rem;
  transition: background 0.3s;
  cursor: default;
}

.product-card:hover {
  background: var(--charcoal);
}

.product-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  transition: color 0.3s;
}

.product-card p {
  font-size: 0.8rem;
  color: var(--charcoal-lt);
  line-height: 1.55;
  transition: color 0.3s;
}

.product-card:hover h4,
.product-card:hover p {
  color: rgba(255,255,255,0.85);
}

.product-card:hover p {
  color: rgba(255,255,255,0.5);
}

@media (max-width: 900px) {
  .sungrow-main {
    grid-template-columns: 1fr;
    padding: 4rem 1.5rem;
  }

  .sungrow-left {
    padding-right: 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 3rem;
    margin-bottom: 3rem;
  }

  .sungrow-right {
    padding-left: 0;
  }
}

/* ============================================================
   PROJECTS PAGE
   ============================================================ */
.projects-section {
  padding: 5rem 3.5rem 6rem;
}

.filter-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-tab {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 1.25rem;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--charcoal-mid);
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font);
}

.filter-tab:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.filter-tab.active {
  background: var(--orange);
  border-color: var(--orange);
  color: white;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.proj-card {
  background: var(--bg);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-lt);
  transition: box-shadow 0.3s, transform 0.3s, opacity 0.4s;
}

.proj-card.hidden {
  display: none;
}

.proj-card:hover {
  box-shadow: 0 8px 32px rgba(44,44,44,0.1);
  transform: translateY(-4px);
}

.proj-img {
  width: 100%;
  aspect-ratio: 16/10;
  position: relative;
  overflow: hidden;
}

.proj-img-bg {
  width: 100%;
  height: 100%;
  transition: transform 0.4s ease;
}

.proj-card:hover .proj-img-bg {
  transform: scale(1.04);
}

.proj-overlay {
  position: absolute;
  inset: 0;
  background: rgba(240,144,28,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}

.proj-card:hover .proj-overlay {
  opacity: 1;
}

.proj-overlay-btn {
  background: white;
  color: var(--orange);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.6rem 1.5rem;
  border-radius: 100px;
  font-family: var(--font);
}

.proj-body {
  padding: 1.5rem;
}

.proj-type {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.5rem;
}

.proj-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.proj-detail {
  font-size: 0.82rem;
  color: var(--charcoal-lt);
}

@media (max-width: 900px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .projects-section {
    padding: 3rem 1.5rem 4rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.values-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 6rem 3.5rem;
}

.values-left {
  padding-right: 4rem;
  border-right: 1px solid var(--border);
}

.values-right {
  padding-left: 4rem;
}

.values-left h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 2.5rem;
}

.values-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.value-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.value-icon {
  width: 36px;
  height: 36px;
  background: var(--orange-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.value-icon svg {
  width: 16px;
  height: 16px;
  color: var(--orange);
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.value-name {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.value-desc {
  font-size: 0.84rem;
  color: var(--charcoal-lt);
  line-height: 1.6;
}

.facts-card {
  background: var(--charcoal);
  border-radius: 12px;
  padding: 2.5rem;
}

.facts-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.facts-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fact-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.fact-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
  margin-top: 5px;
}

.fact-text {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.55;
}

@media (max-width: 900px) {
  .values-section {
    grid-template-columns: 1fr;
    padding: 4rem 1.5rem;
  }

  .values-left {
    padding-right: 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 3rem;
    margin-bottom: 3rem;
  }

  .values-right {
    padding-left: 0;
  }
}

/* CTA Strip */
.cta-strip {
  background: var(--charcoal);
  padding: 6rem 3.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(240,144,28,0.08) 1.5px, transparent 1.5px);
  background-size: 36px 36px;
}

.cta-strip-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-strip h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

.cta-strip h2 .orange {
  color: var(--orange);
}

.cta-strip p {
  font-size: 1rem;
  color: rgba(255,255,255,0.45);
  margin-bottom: 2rem;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .cta-strip {
    padding: 4rem 1.5rem;
  }
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-section {
  background: var(--charcoal);
  min-height: 100vh;
  padding: calc(var(--nav-height) + 4rem) 3.5rem 5rem;
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(240,144,28,0.1) 1.5px, transparent 1.5px);
  background-size: 36px 36px;
}

.contact-header {
  text-align: center;
  margin-bottom: 3.5rem;
  position: relative;
  z-index: 1;
}

.contact-header h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: white;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.contact-header h1 .orange {
  color: var(--orange);
}

.contact-header .subtitle {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.05em;
}

.contact-form-card {
  background: white;
  border-radius: 16px;
  padding: 3rem;
  max-width: 620px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.25rem;
  position: relative;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--charcoal-mid);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--charcoal);
  background: var(--bg);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(240,144,28,0.12);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #e53e3e;
}

.form-group .field-error {
  font-size: 0.75rem;
  color: #e53e3e;
  margin-top: 0.3rem;
  display: none;
}

.form-group .field-error.show {
  display: block;
}

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

.form-submit-btn {
  width: 100%;
  padding: 1rem;
  background: var(--orange);
  color: white;
  border: none;
  border-radius: 100px;
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  margin-top: 0.5rem;
}

.form-submit-btn:hover:not(:disabled) {
  background: var(--orange-deep);
  transform: translateY(-1px);
}

.form-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.form-global-error {
  background: #fff5f5;
  border: 1px solid #fed7d7;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: #c53030;
  margin-top: 1rem;
  display: none;
}

.form-global-error.show {
  display: block;
}

.contact-success {
  background: white;
  border-radius: 16px;
  padding: 4rem 3rem;
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
  display: none;
  position: relative;
  z-index: 1;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  animation: fadeInUp 0.6s ease;
}

.contact-success.show {
  display: block;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.success-check {
  width: 72px;
  height: 72px;
  background: #f0fff4;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.success-check svg {
  width: 36px;
  height: 36px;
  color: #38a169;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-success h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.contact-success p {
  color: var(--charcoal-lt);
  margin-bottom: 2rem;
  line-height: 1.65;
}

@media (max-width: 768px) {
  .contact-section {
    padding: calc(var(--nav-height) + 3rem) 1.5rem 4rem;
  }

  .contact-form-card {
    padding: 2rem 1.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}