/* =========================
   T Hub International — Elegant Blue Theme
   ========================= */

:root {
  /* Blue palette — refined & friendly */
  --c-navy-900: #0B1E3F;
  --c-navy-800: #112A52;
  --c-navy-700: #1E3A6E;
  --c-blue-700: #1D4ED8;
  --c-blue-600: #2563EB;
  --c-blue-500: #3B82F6;
  --c-blue-400: #60A5FA;
  --c-blue-300: #93C5FD;
  --c-blue-200: #BFDBFE;
  --c-blue-100: #DBEAFE;
  --c-blue-50:  #EFF6FF;

  /* Neutrals */
  --c-bg:        #FFFFFF;
  --c-bg-soft:   #F8FAFC;
  --c-bg-tinted: #F1F5FB;
  --c-line:      #E5E9F2;
  --c-line-soft: #EEF2F8;
  --c-text:      #0F172A;
  --c-text-2:    #334155;
  --c-text-mut:  #64748B;
  --c-text-soft: #94A3B8;

  /* Shadows — soft & elegant */
  --shadow-xs: 0 1px 2px rgba(15, 42, 82, 0.04);
  --shadow-sm: 0 4px 14px rgba(15, 42, 82, 0.06);
  --shadow-md: 0 12px 32px rgba(15, 42, 82, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 42, 82, 0.12);
  --shadow-blue: 0 12px 30px rgba(37, 99, 235, 0.22);

  /* Radii */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  --container: 1200px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ============================================
   BUTTONS — soft, elegant
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.35s var(--ease);
  letter-spacing: 0.1px;
  white-space: nowrap;
  font-family: inherit;
}
.btn--primary {
  background: linear-gradient(135deg, var(--c-blue-600) 0%, var(--c-blue-500) 100%);
  color: #fff;
  box-shadow: var(--shadow-blue);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.32);
}
.btn--soft {
  background: var(--c-blue-50);
  color: var(--c-blue-700);
  border-color: var(--c-blue-100);
}
.btn--soft:hover {
  background: var(--c-blue-100);
  transform: translateY(-2px);
}
.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn--outline {
  background: transparent;
  color: var(--c-blue-700);
  border-color: var(--c-blue-200);
}
.btn--outline:hover {
  background: var(--c-blue-50);
  border-color: var(--c-blue-400);
}
.btn--lg { padding: 16px 34px; font-size: 1rem; }
.btn--block { width: 100%; justify-content: center; }
.btn i { transition: transform 0.35s var(--ease); font-size: 0.9em; }
.btn:hover i { transform: translateX(4px); }

/* ============================================
   TOP BAR
   ============================================ */
.top-bar {
  background: var(--c-navy-900);
  color: var(--c-blue-200);
  font-size: 0.85rem;
  padding: 11px 0;
}
.top-bar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.top-bar__info { display: flex; gap: 26px; flex-wrap: wrap; }
.top-bar__info span { display: inline-flex; align-items: center; gap: 8px; }
.top-bar__info i { color: var(--c-blue-400); }

/* ============================================
   HEADER
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--c-line-soft);
  transition: all 0.3s var(--ease);
}
.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 30px rgba(15, 42, 82, 0.06);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--c-text);
}
.logo__mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--c-blue-600) 0%, var(--c-blue-500) 100%);
  color: #fff;
  font-weight: 800;
  font-size: 1.4rem;
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.32);
}
.logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.logo__name {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 1px;
  color: var(--c-navy-900);
}
.logo__sub {
  font-size: 0.68rem;
  letter-spacing: 3px;
  color: var(--c-text-mut);
  font-weight: 500;
}

.nav { display: flex; align-items: center; gap: 32px; }
.nav__list { display: flex; gap: 30px; }
.nav__link {
  color: var(--c-text-2);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 6px 0;
  transition: color 0.3s var(--ease);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-blue-500), var(--c-blue-400));
  border-radius: 2px;
  transition: width 0.35s var(--ease);
}
.nav__link:hover { color: var(--c-blue-700); }
.nav__link:hover::after { width: 100%; }

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  position: relative;
  z-index: 1002;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-navy-900);
  transition: all 0.3s var(--ease);
  border-radius: 2px;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.hamburger.active span { background: var(--c-navy-900); }

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 30, 63, 0.5);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--ease);
  z-index: 998;
}
.nav-backdrop.active { opacity: 1; visibility: visible; }

/* ============================================
   HERO — soft blue gradient
   ============================================ */
.hero {
  position: relative;
  min-height: calc(100vh - 90px);
  background: linear-gradient(160deg, var(--c-navy-900) 0%, var(--c-navy-700) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 0 60px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/hero-bg.jpg') center/cover no-repeat;
  opacity: 0.18;
  filter: saturate(1.05) contrast(1.05);
  mix-blend-mode: luminosity;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 18% 25%, rgba(96, 165, 250, 0.25), transparent 50%),
    radial-gradient(ellipse at 82% 75%, rgba(37, 99, 235, 0.22), transparent 55%),
    linear-gradient(180deg, transparent 0%, rgba(11, 30, 63, 0.5) 100%);
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(147, 197, 253, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 197, 253, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.hero__halftone {
  position: absolute;
  inset: 0;
  background: url('../images/halftone-pattern.jpg') center/cover no-repeat;
  opacity: 0.06;
  mix-blend-mode: overlay;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  background: rgba(96, 165, 250, 0.14);
  border: 1px solid rgba(147, 197, 253, 0.25);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--c-blue-200);
  margin-bottom: 26px;
  backdrop-filter: blur(8px);
}
.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--c-blue-400);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.25);
  animation: pulse 2.5s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.25); }
  50% { box-shadow: 0 0 0 8px rgba(96, 165, 250, 0.1); }
}

.hero__title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 26px;
}
.hero__title-accent {
  background: linear-gradient(135deg, var(--c-blue-300) 0%, #fff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}
.hero__lead {
  font-size: 1.1rem;
  color: var(--c-blue-200);
  max-width: 540px;
  margin-bottom: 38px;
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero__metrics {
  display: flex;
  gap: 44px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid rgba(147, 197, 253, 0.12);
}
.metric { display: flex; flex-direction: row; flex-wrap: wrap; align-items: baseline; gap: 2px; }
.metric__num {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.metric__plus { color: var(--c-blue-300); font-size: 1.8rem; font-weight: 700; }
.metric__label {
  font-size: 0.82rem;
  color: var(--c-blue-200);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 6px;
  width: 100%;
  font-weight: 500;
}

/* Hero visual */
.hero__visual {
  position: relative;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__circle {
  width: 380px;
  height: 380px;
  position: relative;
  animation: rotate 28s linear infinite;
}
.hero__circle-inner { position: relative; width: 100%; height: 100%; }
.hero__circle-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__circle-center {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.hero__circle-center i {
  font-size: 5rem;
  color: var(--c-blue-300);
  filter: drop-shadow(0 0 30px rgba(96, 165, 250, 0.6));
  animation: rotate 28s linear infinite reverse;
}
@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero__card {
  position: absolute;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 18px 22px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
  min-width: 220px;
  transition: all 0.4s var(--ease);
}
.hero__card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(147, 197, 253, 0.4);
}
.hero__card i {
  font-size: 1.5rem;
  color: var(--c-blue-300);
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: rgba(96, 165, 250, 0.15);
  border-radius: 10px;
  flex-shrink: 0;
}
.hero__card strong {
  display: block;
  font-size: 1rem;
  color: #fff;
  margin-bottom: 2px;
  font-weight: 700;
}
.hero__card span { font-size: 0.8rem; color: var(--c-blue-200); }
.hero__card--top { top: 5%; right: 0; }
.hero__card--mid { bottom: 30%; left: 0; }
.hero__card--bot { bottom: 5%; right: 10%; }

.hero__scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 14px;
  z-index: 2;
}
.hero__scroll span {
  display: block;
  width: 4px;
  height: 8px;
  background: var(--c-blue-300);
  border-radius: 2px;
  margin: 8px auto;
  animation: scroll 1.5s infinite;
}
@keyframes scroll {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ============================================
   SECTION HEADS
   ============================================ */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 70px;
}
.section-head__eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--c-blue-600);
  margin-bottom: 16px;
  padding: 7px 18px;
  background: var(--c-blue-50);
  border-radius: 999px;
}
.section-head__title {
  font-size: clamp(1.9rem, 3.5vw, 2.7rem);
  font-weight: 800;
  line-height: 1.18;
  color: var(--c-navy-900);
  margin-bottom: 18px;
  letter-spacing: -0.6px;
}
.section-head__sub {
  font-size: 1.05rem;
  color: var(--c-text-mut);
  line-height: 1.7;
}

/* ============================================
   ABOUT
   ============================================ */
.about { padding: 120px 0; background: var(--c-bg-soft); }
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 80px;
  align-items: center;
}
.about__media {
  position: relative;
  height: 540px;
}
.about__img {
  position: absolute;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about__img img { width: 100%; height: 100%; object-fit: cover; }
.about__img--main {
  top: 0;
  left: 0;
  width: 75%;
  height: 75%;
}
.about__img--accent {
  bottom: 0;
  right: 0;
  width: 55%;
  height: 50%;
  border: 6px solid var(--c-bg-soft);
}
.about__stat {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-30%, -30%);
  background: linear-gradient(135deg, var(--c-blue-600) 0%, var(--c-blue-500) 100%);
  color: #fff;
  padding: 26px 30px;
  border-radius: var(--r-md);
  text-align: center;
  box-shadow: 0 20px 50px rgba(37, 99, 235, 0.35);
  z-index: 2;
}
.about__stat-num {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
}
.about__stat-label {
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: 6px;
  display: block;
  opacity: 0.95;
}

.about__content h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
  color: var(--c-navy-900);
}
.about__content > p {
  color: var(--c-text-mut);
  font-size: 1.02rem;
  margin-bottom: 36px;
}
.about__list { display: flex; flex-direction: column; gap: 14px; }
.about__list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 22px;
  background: #fff;
  border-radius: var(--r-md);
  transition: all 0.3s var(--ease);
  border: 1px solid var(--c-line-soft);
}
.about__list li:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-sm);
  border-color: var(--c-blue-100);
}
.about__list i {
  color: var(--c-blue-600);
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 2px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  background: var(--c-blue-50);
  border-radius: 8px;
}
.about__list strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--c-navy-900);
  font-weight: 700;
}
.about__list span {
  font-size: 0.9rem;
  color: var(--c-text-mut);
  line-height: 1.65;
}

/* ============================================
   SERVICES
   ============================================ */
.services { padding: 120px 0; background: #fff; }
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: #fff;
  padding: 42px 34px;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-line-soft);
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--c-blue-600), var(--c-blue-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }

.service-card--featured {
  background: linear-gradient(160deg, var(--c-navy-900) 0%, var(--c-navy-700) 100%);
  color: #fff;
  border-color: transparent;
}
.service-card--featured::before { transform: scaleX(1); }
.service-card--featured .service-card__text { color: var(--c-blue-200); }
.service-card--featured .service-card__list li { color: var(--c-blue-200); }
.service-card--featured .service-card__list i { color: var(--c-blue-300); }
.service-card--featured .service-card__link { color: var(--c-blue-300); }

.service-card__icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  background: var(--c-blue-50);
  color: var(--c-blue-600);
  border-radius: 16px;
  font-size: 1.7rem;
  margin-bottom: 26px;
  transition: all 0.35s var(--ease);
}
.service-card--featured .service-card__icon {
  background: rgba(96, 165, 250, 0.18);
  color: var(--c-blue-300);
}
.service-card:hover .service-card__icon {
  background: linear-gradient(135deg, var(--c-blue-600), var(--c-blue-500));
  color: #fff;
  transform: rotate(-6deg);
}

.service-card__title {
  font-size: 1.32rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
  color: var(--c-navy-900);
}
.service-card--featured .service-card__title { color: #fff; }

.service-card__lead {
  color: var(--c-blue-600);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.service-card--featured .service-card__lead { color: var(--c-blue-300); }

.service-card__text {
  color: var(--c-text-mut);
  font-size: 0.95rem;
  margin-bottom: 26px;
  line-height: 1.7;
}
.service-card__list { margin-bottom: 28px; }
.service-card__list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.92rem;
  color: var(--c-text-2);
}
.service-card__list i {
  color: var(--c-blue-500);
  font-size: 0.85rem;
  width: 18px;
}
.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--c-blue-600);
  font-weight: 600;
  font-size: 0.9rem;
  transition: gap 0.35s var(--ease);
}
.service-card__link:hover { gap: 14px; }

/* ============================================
   ON-GRID DISTRIBUTED SOLAR
   ============================================ */
.ongrid { padding: 120px 0; background: var(--c-bg-soft); }

.ongrid__sub-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-navy-900);
  margin-bottom: 32px;
  text-align: center;
  letter-spacing: -0.3px;
}

.ongrid__banner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  padding: 36px 40px;
  background: linear-gradient(135deg, #fff 0%, var(--c-blue-50) 100%);
  border: 1px solid var(--c-blue-100);
  border-radius: var(--r-lg);
  margin-bottom: 70px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.ongrid__banner::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 100%;
  background: radial-gradient(circle at 100% 50%, rgba(96, 165, 250, 0.12), transparent 70%);
  pointer-events: none;
}
.ongrid__banner-icon {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--c-blue-600), var(--c-blue-500));
  color: #fff;
  border-radius: 18px;
  font-size: 1.8rem;
  flex-shrink: 0;
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.3);
}
.ongrid__banner-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-navy-900);
  margin-bottom: 10px;
  line-height: 1.3;
}
.ongrid__banner-content p {
  color: var(--c-text-mut);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}
.ongrid__banner-stat {
  text-align: center;
  padding: 20px 24px;
  background: linear-gradient(135deg, var(--c-navy-900), var(--c-navy-700));
  color: #fff;
  border-radius: var(--r-md);
  box-shadow: 0 10px 30px rgba(11, 30, 63, 0.25);
  position: relative;
  z-index: 1;
}
.ongrid__banner-num {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--c-blue-300);
  line-height: 1;
  margin-bottom: 6px;
}
.ongrid__banner-label {
  font-size: 0.8rem;
  color: var(--c-blue-200);
  font-weight: 500;
  line-height: 1.3;
  display: block;
}

.ongrid__benefits { margin-bottom: 70px; }
.ongrid__benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.ongrid__benefit {
  background: #fff;
  padding: 30px 26px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-line-soft);
  transition: all 0.35s var(--ease);
  position: relative;
}
.ongrid__benefit:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-blue-200);
}
.ongrid__benefit i {
  display: inline-grid;
  place-items: center;
  width: 50px;
  height: 50px;
  background: var(--c-blue-50);
  color: var(--c-blue-600);
  border-radius: 12px;
  font-size: 1.3rem;
  margin-bottom: 18px;
  transition: all 0.35s var(--ease);
}
.ongrid__benefit:hover i {
  background: linear-gradient(135deg, var(--c-blue-600), var(--c-blue-500));
  color: #fff;
  transform: rotate(-6deg);
}
.ongrid__benefit h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-navy-900);
  margin-bottom: 8px;
}
.ongrid__benefit p {
  font-size: 0.9rem;
  color: var(--c-text-mut);
  line-height: 1.65;
}

.ongrid__split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 70px;
}
.ongrid__panel {
  background: #fff;
  padding: 40px 36px;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-line-soft);
  box-shadow: var(--shadow-sm);
}
.ongrid__panel--dark {
  background: linear-gradient(160deg, var(--c-navy-900) 0%, var(--c-navy-700) 100%);
  color: #fff;
  border-color: transparent;
  position: relative;
  overflow: hidden;
}
.ongrid__panel--dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(147, 197, 253, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 197, 253, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at top right, black, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at top right, black, transparent 70%);
}
.ongrid__panel--dark > * { position: relative; z-index: 1; }
.ongrid__panel-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-blue-600);
  background: var(--c-blue-50);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.ongrid__panel-eyebrow--light {
  background: rgba(96, 165, 250, 0.18);
  color: var(--c-blue-300);
}
.ongrid__panel h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-navy-900);
  margin-bottom: 12px;
  line-height: 1.3;
}
.ongrid__panel--dark h3 { color: #fff; }
.ongrid__panel p {
  color: var(--c-text-mut);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}
.ongrid__panel--dark p { color: var(--c-blue-200); }

.ongrid__countries { display: flex; flex-direction: column; gap: 12px; }
.ongrid__countries li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--c-bg-soft);
  border-radius: var(--r-sm);
  border: 1px solid var(--c-line-soft);
  transition: all 0.3s var(--ease);
}
.ongrid__countries li:hover {
  background: #fff;
  border-color: var(--c-blue-200);
  transform: translateX(4px);
}
.ongrid__flag {
  display: grid;
  place-items: center;
  min-width: 50px;
  height: 38px;
  background: linear-gradient(135deg, var(--c-blue-600), var(--c-blue-500));
  color: #fff;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 0 8px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}
.ongrid__countries strong {
  display: block;
  font-size: 0.95rem;
  color: var(--c-navy-900);
  font-weight: 700;
  margin-bottom: 2px;
}
.ongrid__countries span {
  font-size: 0.82rem;
  color: var(--c-text-mut);
}

.ongrid__sectors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.ongrid__sector {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(147, 197, 253, 0.15);
  border-radius: var(--r-sm);
  font-size: 0.88rem;
  color: var(--c-blue-200);
  font-weight: 500;
  transition: all 0.3s var(--ease);
}
.ongrid__sector:hover {
  background: rgba(96, 165, 250, 0.12);
  border-color: rgba(147, 197, 253, 0.3);
  color: #fff;
  transform: translateY(-2px);
}
.ongrid__sector i {
  color: var(--c-blue-300);
  font-size: 1.05rem;
  width: 28px;
  text-align: center;
}

.ongrid__install { margin-top: 70px; }
.ongrid__install-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.ongrid__install-card {
  background: #fff;
  padding: 36px 32px;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-line-soft);
  box-shadow: var(--shadow-sm);
  transition: all 0.35s var(--ease);
}
.ongrid__install-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.ongrid__install-card--featured {
  background: linear-gradient(160deg, #fff 0%, var(--c-blue-50) 100%);
  border-color: var(--c-blue-200);
  position: relative;
}
.ongrid__install-card--featured::after {
  content: 'Popular';
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--c-blue-600);
  color: #fff;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.ongrid__install-icon {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  background: var(--c-blue-50);
  color: var(--c-blue-600);
  border-radius: 14px;
  font-size: 1.5rem;
  margin-bottom: 22px;
}
.ongrid__install-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-navy-900);
  margin-bottom: 12px;
}
.ongrid__install-card p {
  color: var(--c-text-mut);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.ongrid__install-card ul { display: flex; flex-direction: column; gap: 8px; }
.ongrid__install-card ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--c-text-2);
}
.ongrid__install-card ul i {
  color: var(--c-blue-600);
  font-size: 0.75rem;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  background: var(--c-blue-50);
  border-radius: 50%;
}

/* ============================================
   WHY CHOOSE US
   ============================================ */
.why { padding: 120px 0; background: var(--c-bg-soft); }
.why__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 70px;
  align-items: center;
}
.why__title { text-align: left; }
.why__lead {
  color: var(--c-text-mut);
  font-size: 1.05rem;
  margin-bottom: 44px;
  line-height: 1.7;
}
.why__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.why__feature {
  padding: 26px 24px;
  background: #fff;
  border-radius: var(--r-md);
  border: 1px solid var(--c-line-soft);
  transition: all 0.35s var(--ease);
}
.why__feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
  border-color: var(--c-blue-100);
}
.why__feature i {
  font-size: 1.5rem;
  color: var(--c-blue-600);
  margin-bottom: 16px;
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  background: var(--c-blue-50);
  border-radius: 12px;
  transition: all 0.35s var(--ease);
}
.why__feature:hover i {
  background: linear-gradient(135deg, var(--c-blue-600), var(--c-blue-500));
  color: #fff;
}
.why__feature h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--c-navy-900);
}
.why__feature p {
  font-size: 0.88rem;
  color: var(--c-text-mut);
  line-height: 1.65;
}

.why__visual { position: relative; }
.why__visual-card {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  height: 480px;
}
.why__visual-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.why__visual-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--c-navy-900);
  padding: 22px 26px;
  border-radius: var(--r-md);
  box-shadow: 0 10px 30px rgba(15, 42, 82, 0.18);
  display: flex;
  align-items: center;
  gap: 16px;
}
.why__visual-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--c-blue-600);
  line-height: 1;
}
.why__visual-text {
  font-size: 0.85rem;
  color: var(--c-text-mut);
  font-weight: 500;
}
.why__visual-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 20px;
}
.why__visual-strip > div {
  background: #fff;
  padding: 22px 18px;
  border-radius: var(--r-md);
  text-align: center;
  border: 1px solid var(--c-line-soft);
}
.why__visual-strip strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--c-blue-600);
  line-height: 1;
  margin-bottom: 6px;
}
.why__visual-strip span {
  font-size: 0.78rem;
  color: var(--c-text-mut);
  font-weight: 500;
}

/* ============================================
   PROJECTS
   ============================================ */
.projects { padding: 120px 0; background: #fff; }
.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  grid-auto-rows: 1fr;
}
.project-card {
  background: #fff;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--c-line-soft);
  transition: all 0.4s var(--ease);
}
.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.project-card__media {
  position: relative;
  height: 240px;
  overflow: hidden;
}
.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.project-card:hover .project-card__media img { transform: scale(1.08); }
.project-card__tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  color: var(--c-blue-700);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.project-card__body { padding: 28px; }
.project-card__meta {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--c-blue-600);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.project-card__title {
  font-size: 1.28rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
  color: var(--c-navy-900);
}
.project-card__text {
  color: var(--c-text-mut);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--c-blue-600);
  font-weight: 600;
  font-size: 0.9rem;
  transition: gap 0.35s var(--ease);
}
.project-card__link:hover { gap: 14px; }

/* ============================================
   FEATURED PORTFOLIO
   ============================================ */
.portfolio { padding: 120px 0; background: var(--c-bg-soft); }

.portfolio__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}
.portfolio__stat {
  background: #fff;
  padding: 28px 24px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-line-soft);
  text-align: center;
  transition: all 0.35s var(--ease);
  position: relative;
  overflow: hidden;
}
.portfolio__stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-blue-200);
}
.portfolio__stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-blue-600), var(--c-blue-400));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.4s var(--ease);
}
.portfolio__stat:hover::before { transform: scaleX(1); }
.portfolio__stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--c-navy-900);
  line-height: 1;
  display: inline-block;
}
.portfolio__stat-plus, .portfolio__stat-suffix {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--c-blue-600);
  display: inline-block;
}
.portfolio__stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--c-text-mut);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 8px;
  font-weight: 500;
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}
.port-card {
  background: #fff;
  padding: 32px 28px;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-line-soft);
  transition: all 0.4s var(--ease);
  position: relative;
  display: flex;
  flex-direction: column;
}
.port-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-blue-200);
}
.port-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--c-blue-600), var(--c-blue-400));
  border-radius: 4px 0 0 4px;
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}
.port-card:hover::after { opacity: 1; }
.port-card--lg {
  grid-column: span 2;
  background: linear-gradient(160deg, #fff 0%, var(--c-blue-50) 100%);
  border-color: var(--c-blue-200);
}
.port-card--lg::after { opacity: 1; }
.port-card--lg .port-card__capacity { font-size: 3rem; }

.port-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}
.port-card__location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-blue-600);
  background: var(--c-blue-50);
  padding: 5px 12px;
  border-radius: 999px;
}
.port-card__location i { font-size: 0.75rem; }
.port-card__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
}
.port-card__status--done {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
}
.port-card__status--done::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.18);
}

.port-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--c-navy-900);
  margin-bottom: 14px;
  line-height: 1.3;
}
.port-card--lg .port-card__title { font-size: 1.35rem; }

.port-card__capacity {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--c-blue-600);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -1px;
}
.port-card__capacity span {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-blue-500);
  margin-left: 2px;
  letter-spacing: 0;
}

.port-card__scope {
  color: var(--c-text-mut);
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.port-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}
.port-card__tags li {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--c-text-2);
  background: var(--c-bg-soft);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--c-line-soft);
}

.portfolio__cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 36px 40px;
  background: linear-gradient(135deg, var(--c-navy-900) 0%, var(--c-navy-700) 100%);
  border-radius: var(--r-lg);
  color: #fff;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.portfolio__cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(147, 197, 253, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 197, 253, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at left, black, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at left, black, transparent 70%);
}
.portfolio__cta > * { position: relative; z-index: 1; }
.portfolio__cta h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #fff;
}
.portfolio__cta p {
  color: var(--c-blue-200);
  font-size: 0.95rem;
  margin: 0;
}

/* ============================================
   SHOWCASE GALLERY — bento grid
   ============================================ */
.showcase { padding: 120px 0; background: #fff; }
.showcase__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 240px;
  gap: 18px;
}
.showcase__item {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--c-bg-tinted);
  box-shadow: var(--shadow-sm);
  margin: 0;
}
.showcase__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.showcase__item:hover img { transform: scale(1.06); }
.showcase__item--lg {
  grid-column: span 2;
  grid-row: span 2;
}
.showcase__item--wide {
  grid-column: span 2;
}
.showcase__cap {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  background: linear-gradient(180deg, transparent 35%, rgba(11, 30, 63, 0.85) 100%);
  color: #fff;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.showcase__item:hover .showcase__cap { opacity: 1; }
.showcase__cap-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--c-blue-300);
  background: rgba(96, 165, 250, 0.18);
  border: 1px solid rgba(147, 197, 253, 0.3);
  padding: 5px 12px;
  border-radius: 999px;
  align-self: flex-start;
  margin-bottom: 10px;
  backdrop-filter: blur(6px);
}
.showcase__cap h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  line-height: 1.3;
}
.showcase__item--lg .showcase__cap h4 { font-size: 1.3rem; }
.showcase__cap p {
  font-size: 0.85rem;
  color: var(--c-blue-200);
  line-height: 1.5;
  margin: 0;
}
.showcase__item--lg .showcase__cap p { font-size: 0.92rem; max-width: 360px; }

/* ============================================
   CLIENTS
   ============================================ */
.clients { padding: 110px 0; background: var(--c-bg-soft); }
.clients__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.client-tile {
  background: #fff;
  padding: 30px 20px;
  text-align: center;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--c-text-2);
  border-radius: var(--r-md);
  border: 1px solid var(--c-line-soft);
  transition: all 0.35s var(--ease);
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}
.client-tile::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--c-blue-50), transparent);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}
.client-tile span, .client-tile { position: relative; }
.client-tile:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
  border-color: var(--c-blue-200);
  color: var(--c-blue-700);
}
.client-tile:hover::before { opacity: 1; }

/* ============================================
   PROCESS
   ============================================ */
.process {
  padding: 120px 0;
  background: linear-gradient(160deg, var(--c-navy-900) 0%, var(--c-navy-800) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.process::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(147, 197, 253, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 197, 253, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.process .container { position: relative; z-index: 1; }
.process .section-head__eyebrow {
  background: rgba(96, 165, 250, 0.15);
  color: var(--c-blue-300);
}
.process .section-head__title { color: #fff; }
.process .section-head__sub { color: var(--c-blue-200); }

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
}
.process__steps::before {
  content: '';
  position: absolute;
  top: 38px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(96, 165, 250, 0.4), transparent);
  z-index: 0;
}
.process__steps li {
  text-align: center;
  position: relative;
  z-index: 1;
}
.process__num {
  display: inline-grid;
  place-items: center;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-blue-500), var(--c-blue-400));
  color: #fff;
  font-weight: 800;
  font-size: 1.4rem;
  margin-bottom: 22px;
  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.4);
  position: relative;
}
.process__num::after {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid rgba(96, 165, 250, 0.3);
}
.process__steps h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #fff;
}
.process__steps p {
  font-size: 0.92rem;
  color: var(--c-blue-200);
  line-height: 1.6;
  max-width: 240px;
  margin: 0 auto;
}

/* ============================================
   CONTACT
   ============================================ */
.contact { padding: 120px 0; background: #fff; }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 70px;
  align-items: start;
}
.contact__title { text-align: left; }
.contact__lead {
  color: var(--c-text-mut);
  margin: 18px 0 38px;
  line-height: 1.7;
  font-size: 1.02rem;
}
.contact__list { display: flex; flex-direction: column; gap: 14px; }
.contact__list li {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  background: var(--c-bg-soft);
  border-radius: var(--r-md);
  transition: all 0.35s var(--ease);
  border: 1px solid transparent;
}
.contact__list li:hover {
  background: #fff;
  box-shadow: var(--shadow-sm);
  border-color: var(--c-blue-100);
  transform: translateX(4px);
}
.contact__icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--c-blue-600), var(--c-blue-500));
  color: #fff;
  border-radius: 12px;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
}
.contact__list strong {
  display: block;
  font-size: 0.78rem;
  color: var(--c-text-mut);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
  font-weight: 600;
}
.contact__list a { color: var(--c-navy-900); font-weight: 600; transition: color 0.3s; }
.contact__list a:hover { color: var(--c-blue-600); }
.contact__list span { color: var(--c-navy-900); font-weight: 600; }

.contact__form {
  background: var(--c-bg-soft);
  padding: 44px;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-line-soft);
  box-shadow: var(--shadow-sm);
}
.contact__form h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 26px;
  color: var(--c-navy-900);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.contact__form label {
  display: block;
  margin-bottom: 16px;
}
.contact__form label span {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--c-text-2);
}
.contact__form input,
.contact__form select,
.contact__form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--c-line);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  background: #fff;
  color: var(--c-text);
  transition: all 0.3s var(--ease);
}
.contact__form input:focus,
.contact__form select:focus,
.contact__form textarea:focus {
  outline: none;
  border-color: var(--c-blue-500);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}
.contact__form textarea { resize: vertical; min-height: 120px; }
.form-status {
  margin-top: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  min-height: 24px;
}
.form-status.success { color: #10B981; }
.form-status.error { color: #EF4444; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--c-navy-900);
  color: var(--c-blue-200);
  padding: 80px 0 0;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(96, 165, 250, 0.3), transparent);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 50px;
}
.footer__brand p {
  font-size: 0.92rem;
  line-height: 1.7;
  margin: 20px 0 0;
  color: var(--c-blue-200);
  opacity: 0.85;
}

.logo--light .logo__name { color: #fff; }
.logo--light .logo__sub { color: var(--c-blue-200); opacity: 0.7; }

.footer__col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 12px;
}
.footer__col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-blue-500), var(--c-blue-400));
  border-radius: 2px;
}
.footer__col ul li { margin-bottom: 12px; }
.footer__col a {
  color: var(--c-blue-200);
  font-size: 0.9rem;
  transition: all 0.3s var(--ease);
  opacity: 0.85;
}
.footer__col a:hover { color: #fff; padding-left: 4px; opacity: 1; }
.footer__contact li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  opacity: 0.85;
}
.footer__contact i { color: var(--c-blue-400); width: 16px; }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px 0;
}
.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--c-blue-200);
  opacity: 0.7;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--c-blue-600), var(--c-blue-500));
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 10px 28px rgba(37, 99, 235, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.35s var(--ease);
  z-index: 999;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 14px 36px rgba(37, 99, 235, 0.5); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 50px; }
  .hero__visual { height: 380px; }
  .hero__circle { width: 300px; height: 300px; }
  .about__grid { grid-template-columns: 1fr; gap: 50px; }
  .about__media { height: 460px; max-width: 600px; margin: 0 auto; }
  .services__grid { grid-template-columns: 1fr; }
  .ongrid__banner { grid-template-columns: auto 1fr; }
  .ongrid__banner-stat { grid-column: span 2; }
  .ongrid__benefits-grid { grid-template-columns: 1fr 1fr; }
  .ongrid__split { grid-template-columns: 1fr; }
  .ongrid__install-grid { grid-template-columns: 1fr; }
  .why__grid { grid-template-columns: 1fr; }
  .projects__grid { grid-template-columns: 1fr 1fr; }
  .portfolio__stats { grid-template-columns: 1fr 1fr; }
  .portfolio__grid { grid-template-columns: 1fr 1fr; }
  .port-card--lg { grid-column: span 2; }
  .showcase__grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 220px;
  }
  .showcase__item--lg { grid-column: span 2; grid-row: span 2; }
  .showcase__item--wide { grid-column: span 2; }
  .clients__grid { grid-template-columns: repeat(3, 1fr); }
  .process__steps { grid-template-columns: 1fr 1fr; }
  .process__steps::before { display: none; }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .why__features { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .top-bar__info { font-size: 0.78rem; gap: 14px; }
  .top-bar__info span:nth-child(3) { display: none; }
  .nav {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    padding: 100px 28px 40px;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
    align-items: stretch;
    justify-content: flex-start;
    z-index: 999;
    overflow-y: auto;
  }
  .nav.active { transform: translateX(0); }
  .nav__list {
    flex-direction: column;
    gap: 0;
    width: 100%;
    margin-bottom: 24px;
    border-top: 1px solid var(--c-line-soft);
  }
  .nav__list li {
    width: 100%;
    border-bottom: 1px solid var(--c-line-soft);
  }
  .nav__link {
    display: block;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--c-navy-900);
    padding: 16px 4px;
    width: 100%;
  }
  .nav__link::after { display: none; }
  .nav__cta { width: 100%; justify-content: center; padding: 16px 28px; }
  .hamburger { display: flex; z-index: 1001; }
  .hero { padding: 60px 0 80px; }
  .hero__title { font-size: 2.4rem; }
  .hero__visual { height: 320px; }
  .hero__circle { width: 240px; height: 240px; }
  .hero__card { padding: 12px 16px; min-width: 180px; }
  .hero__card i { width: 36px; height: 36px; font-size: 1.1rem; }
  .hero__card--top { top: 0; }
  .hero__card--mid { bottom: 40%; left: 0; }
  .hero__card--bot { bottom: 0; right: 0; }
  .hero__metrics { gap: 24px; }
  .metric__num { font-size: 1.8rem; }
  .about { padding: 90px 0; }
  .about__media { height: 380px; }
  .services, .ongrid, .why, .projects, .portfolio, .showcase, .contact { padding: 90px 0; }
  .ongrid__banner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 30px 24px;
  }
  .ongrid__banner-icon { margin: 0 auto; }
  .ongrid__banner-stat { grid-column: span 1; }
  .ongrid__benefits-grid { grid-template-columns: 1fr; }
  .ongrid__panel { padding: 30px 24px; }
  .ongrid__sectors { grid-template-columns: 1fr; }
  .portfolio__grid { grid-template-columns: 1fr; }
  .port-card--lg { grid-column: span 1; }
  .portfolio__cta { flex-direction: column; text-align: center; padding: 30px 24px; }
  .projects__grid { grid-template-columns: 1fr; }
  .showcase__grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 220px;
  }
  .showcase__item--lg, .showcase__item--wide { grid-column: span 1; }
  .showcase__cap { opacity: 1; }
  .clients__grid { grid-template-columns: 1fr 1fr; }
  .process__steps { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .contact__form { padding: 28px 20px; }
  .footer__grid { grid-template-columns: 1fr; gap: 40px; padding-bottom: 30px; }
  .section-head { margin-bottom: 50px; }
  .back-to-top { width: 44px; height: 44px; bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .hero__title { font-size: 2rem; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { justify-content: center; }
  .client-tile { font-size: 0.9rem; padding: 22px 14px; }
  .about__media { height: 320px; }
  .about__img--main { width: 85%; height: 70%; }
  .about__img--accent { width: 50%; height: 45%; }
  .footer__bottom-inner { justify-content: center; text-align: center; }
}