/* ══════════════════════════════════════════════════════════════
   SINE TECHNOLOGIES — Main CSS (Luminix Home 1 Style)
   ══════════════════════════════════════════════════════════════ */

/* ── 1. CSS Custom Properties ─────────────────────────────── */
:root {
  /* Brand (overridden by api/colors.php) */
  --clr-primary:         #FF5500;
  --clr-primary-dark:    #CC4400;
  --clr-primary-light:   rgba(255,85,0,0.08);
  --clr-primary-mid:     rgba(255,85,0,0.15);

  /* Typography */
  --clr-heading:         #001A3D;
  --clr-body:            #4D5B68;

  /* Backgrounds */
  --clr-header-top-bg:   #FF5500;
  --clr-header-top-text: #ffffff;
  --clr-header-bg:       #ffffff;
  --clr-nav-link:        #001A3D;
  --clr-nav-hover:       #FF5500;
  --clr-light-bg:        #F7F7F7;
  --clr-light-bg2:       #EEF2F7;
  --clr-border:          #E2E8EF;
  --clr-white:           #ffffff;

  /* Footer */
  --clr-footer-bg:       #001A3D;
  --clr-footer-text:     rgba(255,255,255,0.70);

  /* Dark Mode */
  --clr-dark-bg:         #0D0E1D;
  --clr-dark-surface:    #13111A;
  --clr-dark-surface2:   #181C2E;
  --clr-dark-body:       #8892A2;
  --clr-dark-heading:    #F0F4F8;
  --clr-dark-border:     rgba(255,255,255,0.08);

  /* Spacing & Layout */
  --container:           1280px;
  --gap:                 1.5rem;
  --section-py:          100px;
  --section-py-sm:       70px;

  /* Fonts */
  --font-main:   'Plus Jakarta Sans', 'Fira Sans', sans-serif;
  --font-mono:   'JetBrains Mono', monospace;

  /* Transitions */
  --transition:  0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm:   0 2px 10px rgba(0,26,61,0.06);
  --shadow-md:   0 8px 30px rgba(0,26,61,0.10);
  --shadow-lg:   0 20px 60px rgba(0,26,61,0.14);
  --shadow-xl:   0 30px 90px rgba(0,26,61,0.18);

  /* Radius */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-pill: 999px;
}

/* ── 2. Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--clr-body);
  background: var(--clr-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-primary); }

/* ── 3. Container & Grid ──────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.row {
  display: grid;
  gap: var(--gap);
}
.col-2 { grid-template-columns: 1fr 1fr; }
.col-3 { grid-template-columns: 1fr 1fr 1fr; }
.col-4 { grid-template-columns: repeat(4, 1fr); }
.col-lg-5-7 { grid-template-columns: 5fr 7fr; }
.col-lg-6-6 { grid-template-columns: 1fr 1fr; }
.col-lg-7-5 { grid-template-columns: 7fr 5fr; }
.col-lg-auto { grid-template-columns: 1fr auto; }
.align-center { align-items: center; }
.align-end    { align-items: flex-end; }

/* ── 4. Typography ────────────────────────────────────────── */
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-main);
  color: var(--clr-heading);
  line-height: 1.25;
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.625rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.0625rem; }
h6 { font-size: 0.875rem; }

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--clr-primary);
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}
.section-title { margin-bottom: 3rem; }
.section-title h2 { margin-top: 0.5rem; }
.section-title p {
  font-size: 1.0625rem;
  color: var(--clr-body);
  max-width: 560px;
  margin-top: 1rem;
}
.section-title.center { text-align: center; }
.section-title.center p { margin: 1rem auto 0; }

/* ── 5. Buttons ───────────────────────────────────────────── */
.sine-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.875rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: all var(--transition);
  white-space: nowrap;
}
.sine-btn svg { flex-shrink: 0; transition: transform var(--transition); }
.sine-btn:hover svg { transform: translateX(3px); }

.sine-btn--primary {
  background: var(--clr-primary);
  color: var(--clr-white);
  box-shadow: 0 6px 20px rgba(255,85,0,0.30);
}
.sine-btn--primary:hover {
  background: var(--clr-primary-dark);
  color: var(--clr-white);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255,85,0,0.38);
}
.sine-btn--outline {
  border: 2px solid currentColor;
  color: var(--clr-primary);
}
.sine-btn--outline:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
  transform: translateY(-2px);
}
.sine-btn--white {
  background: var(--clr-white);
  color: var(--clr-heading);
}
.sine-btn--white:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
  transform: translateY(-2px);
}
.sine-btn--sm { padding: 0.5rem 1.25rem; font-size: 0.875rem; }
.sine-btn--lg { padding: 0.875rem 2.25rem; font-size: 1rem; }

/* ── 6. Preloader ─────────────────────────────────────────── */
.sine-preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--clr-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}
.sine-preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.sine-preloader__inner { text-align: center; }
.sine-preloader__logo {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--clr-heading);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.sine-preloader__logo span { color: var(--clr-primary); }
.sine-preloader__bar {
  width: 200px;
  height: 3px;
  background: var(--clr-border);
  border-radius: 3px;
  overflow: hidden;
  margin: 0 auto;
}
.sine-preloader__fill {
  height: 100%;
  width: 0;
  background: var(--clr-primary);
  border-radius: 3px;
  animation: preloader-fill 1.2s ease forwards;
}
@keyframes preloader-fill {
  0%   { width: 0; }
  60%  { width: 75%; }
  100% { width: 100%; }
}

/* ── 7. Scroll Progress Bar ───────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--clr-primary);
  z-index: 9998;
  transition: width 0.1s linear;
}

/* ── 8. Header Top Bar ────────────────────────────────────── */
.header-topbar {
  background: var(--clr-header-top-bg);
  color: var(--clr-header-top-text);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.5rem 0;
}
.header-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.header-topbar__left,
.header-topbar__right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.header-topbar__item {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: inherit;
  opacity: 0.92;
  transition: opacity var(--transition);
}
.header-topbar__item:hover { opacity: 1; }
.header-topbar__sep { border-left: 1px solid rgba(255,255,255,0.25); padding-left: 1.25rem; }
.header-topbar__social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.header-topbar__social a {
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
}
.header-topbar__social a:hover { color: var(--clr-white); }

/* ── 9. Header Main ───────────────────────────────────────── */
.site-header {
  background: var(--clr-header-bg);
  padding: 0.875rem 0;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: padding var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-md);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Logo */
.site-logo {
  flex-shrink: 0;
  display: block;
}
.site-logo__img {
  height: 44px;
  width: auto;
}
.site-logo__img--light { display: none; }
.site-logo__img--dark  { display: block; }

/* Nav */
.site-nav { flex: 1; }
.site-nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.site-nav__item {
  position: relative;
}
.site-nav__link {
  display: block;
  padding: 0.5rem 0.875rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--clr-nav-link);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.site-nav__link:hover,
.site-nav__link.active { color: var(--clr-nav-hover); }

/* Dropdown */
.site-nav__item--has-dropdown { position: relative; }
.site-nav__dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 230px;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 0.625rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all var(--transition);
  z-index: 100;
}
.site-nav__item--has-dropdown:hover .site-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.site-nav__dropdown-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-heading);
  transition: background var(--transition), color var(--transition);
}
.site-nav__dropdown-link:hover {
  background: var(--clr-primary-light);
  color: var(--clr-primary);
}
.site-nav__dropdown-link svg { color: var(--clr-primary); }

/* Header Actions */
.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  flex-shrink: 0;
}
.header-phone {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}
.header-phone__icon {
  width: 38px;
  height: 38px;
  background: var(--clr-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-primary);
  flex-shrink: 0;
}
.header-phone__label {
  display: block;
  font-size: 0.7rem;
  color: var(--clr-body);
  line-height: 1.2;
}
.header-phone__number {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--clr-heading);
  line-height: 1.3;
}
.header-phone__number:hover { color: var(--clr-primary); }

/* Language Switch */
.lang-switch { position: relative; }
.lang-switch__btn {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-heading);
  background: transparent;
  transition: border-color var(--transition), background var(--transition);
}
.lang-switch__btn:hover { border-color: var(--clr-primary); background: var(--clr-primary-light); }
.lang-flag { font-size: 0.85rem; }
.lang-code { font-size: 0.8rem; }
.lang-switch__dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 130px;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 0.375rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all var(--transition);
  z-index: 200;
}
.lang-switch.open .lang-switch__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--clr-heading);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.lang-option:hover, .lang-option.active {
  background: var(--clr-primary-light);
  color: var(--clr-primary);
}

/* Theme Toggle */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--clr-border);
  color: var(--clr-heading);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.theme-toggle:hover {
  background: var(--clr-primary-light);
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}
.theme-toggle svg { width: 16px; height: 16px; }
.icon-moon { display: none; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  width: 38px;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--clr-heading);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── 10. Mobile Drawer ────────────────────────────────────── */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 100vw);
  height: 100vh;
  background: var(--clr-white);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  box-shadow: -4px 0 30px rgba(0,0,0,0.15);
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,26,61,0.6);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}
.mobile-drawer__overlay.visible {
  opacity: 1;
  visibility: visible;
}
.mobile-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--clr-border);
}
.mobile-drawer__logo img { height: 40px; }
.mobile-drawer__close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-heading);
  border: 1px solid var(--clr-border);
  transition: all var(--transition);
}
.mobile-drawer__close:hover { background: var(--clr-primary-light); color: var(--clr-primary); }
.mobile-drawer__nav {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mobile-drawer__link {
  display: block;
  padding: 0.7rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--clr-heading);
  transition: background var(--transition), color var(--transition);
}
.mobile-drawer__link:hover,
.mobile-drawer__link.active {
  background: var(--clr-primary-light);
  color: var(--clr-primary);
}
.mobile-drawer__group { display: flex; flex-direction: column; }
.mobile-drawer__sub {
  padding-left: 0.875rem;
  border-left: 2px solid var(--clr-border);
  margin-left: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 2px;
}
.mobile-drawer__sub-link {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-body);
  transition: color var(--transition);
}
.mobile-drawer__sub-link:hover { color: var(--clr-primary); }
.mobile-drawer__footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.mobile-drawer__lang {
  display: flex;
  gap: 0.5rem;
}
.lang-btn {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-heading);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
}
.lang-btn:hover,
.lang-btn.active {
  border-color: var(--clr-primary);
  background: var(--clr-primary-light);
  color: var(--clr-primary);
}

/* ── 11. Hero Section ─────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 660px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--clr-dark-bg);
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.04);
  transition: transform 8s ease;
}
.hero.loaded .hero__bg { transform: scale(1); }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(0,10,26,0.85) 0%,
    rgba(0,20,50,0.70) 50%,
    rgba(0,10,26,0.50) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
  max-width: 680px;
}
.hero__tag {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-primary);
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
}
.hero__title {
  color: var(--clr-white);
  margin-bottom: 1.5rem;
  font-size: clamp(2.25rem, 5.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
}
.hero__title span { color: var(--clr-primary); }
.hero__subtitle {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.80);
  margin-bottom: 2.5rem;
  max-width: 520px;
  line-height: 1.75;
}
.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

/* ── 12. About Section ────────────────────────────────────── */
.about { padding: var(--section-py) 0 0; }
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about__image {
  position: relative;
}
.about__img-main {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  box-shadow: var(--shadow-xl);
}
.about__badge {
  position: absolute;
  bottom: 2rem;
  left: -2rem;
  background: var(--clr-primary);
  color: var(--clr-white);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 12px 40px rgba(255,85,0,0.35);
  text-align: center;
  min-width: 120px;
}
.about__badge-num {
  display: block;
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}
.about__badge-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  opacity: 0.9;
  margin-top: 0.25rem;
}
.about__content {}
.about__content .section-tag { margin-bottom: 0.75rem; }
.about__content h2 { margin-bottom: 1.25rem; }
.about__content > p { margin-bottom: 1.75rem; }
.about__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.about__list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--clr-heading);
}
.about__list-icon {
  width: 22px;
  height: 22px;
  background: var(--clr-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.about__list-icon svg { width: 12px; height: 12px; color: var(--clr-primary); }

/* ── 13. Counter Strip ────────────────────────────────────── */
.counter-strip {
  background: var(--clr-heading);
  padding: 3.5rem 0;
  margin-top: 5rem;
}
.counter-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.counter-item {
  text-align: center;
  padding: 1rem 1.5rem;
  position: relative;
}
.counter-item + .counter-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 50%;
  width: 1px;
  background: rgba(255,255,255,0.15);
}
.counter-item__num {
  display: block;
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  color: var(--clr-white);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.counter-item__num .suffix { font-size: 0.6em; color: var(--clr-primary); }
.counter-item__label {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
}

/* ── 14. Services Section ─────────────────────────────────── */
.services {
  padding: var(--section-py) 0;
  background: var(--clr-light-bg);
}
.services__header-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: flex-end;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}
.services__grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 4rem;
  align-items: center;
}
.services__image {
  position: relative;
}
.services__img-main {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}
.services__float-card {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  width: 60%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid var(--clr-white);
}
.services__float-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.services__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.service-item {
  display: grid;
  grid-template-columns: 52px 1fr 40px;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--clr-border);
  transition: background var(--transition);
  cursor: pointer;
}
.service-item:last-child { border-bottom: 1px solid var(--clr-border); }
.service-item:hover .service-item__arrow { color: var(--clr-primary); }
.service-item:hover { background: var(--clr-primary-light); margin: 0 -1rem; padding: 1.5rem 1rem; border-radius: var(--radius-sm); }
.service-item__icon {
  width: 52px;
  height: 52px;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}
.service-item:hover .service-item__icon {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: var(--clr-white);
}
.service-item__icon svg { width: 22px; height: 22px; color: var(--clr-primary); transition: color var(--transition); }
.service-item:hover .service-item__icon svg { color: var(--clr-white); }
.service-item__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-heading);
  margin-bottom: 0.25rem;
  transition: color var(--transition);
}
.service-item:hover .service-item__title { color: var(--clr-primary); }
.service-item__desc {
  font-size: 0.875rem;
  color: var(--clr-body);
  line-height: 1.5;
}
.service-item__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--clr-border);
  border-radius: 50%;
  color: var(--clr-body);
  flex-shrink: 0;
  transition: all var(--transition);
}
.service-item:hover .service-item__arrow {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: var(--clr-white);
  transform: rotate(-45deg);
}
.service-item__arrow svg { width: 16px; height: 16px; }

/* ── 15. Why Choose Us ────────────────────────────────────── */
.why-us { padding: var(--section-py) 0; }
.why-us__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.why-us__image { position: relative; order: 2; }
.why-us__content { order: 1; }
.why-us__img-main {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 5/4;
  object-fit: cover;
  box-shadow: var(--shadow-xl);
}
.why-us__spec-overlay {
  position: absolute;
  top: 2rem;
  right: -2rem;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-lg);
  min-width: 170px;
}
.spec-badge__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-body);
}
.spec-badge__val {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--clr-heading);
  letter-spacing: -0.01em;
}
.spec-badge__val span { color: var(--clr-primary); }
.why-us__content h2 { margin-bottom: 1.25rem; }
.why-us__content > p { margin-bottom: 2rem; }
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.feature-card {
  background: var(--clr-light-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: all var(--transition);
}
.feature-card:hover {
  border-color: var(--clr-primary);
  box-shadow: 0 6px 20px rgba(255,85,0,0.10);
  transform: translateY(-3px);
}
.feature-card__icon {
  width: 44px;
  height: 44px;
  background: var(--clr-primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}
.feature-card__icon svg { width: 20px; height: 20px; color: var(--clr-primary); }
.feature-card h5 { font-size: 0.9375rem; margin-bottom: 0.35rem; color: var(--clr-heading); }
.feature-card p  { font-size: 0.8125rem; color: var(--clr-body); line-height: 1.5; }

/* ── 16. Process Section ──────────────────────────────────── */
.process {
  padding: var(--section-py) 0;
  background: var(--clr-light-bg);
}
.process__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.process-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  position: relative;
  transition: all var(--transition);
  overflow: hidden;
}
.process-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--clr-primary);
  transition: width 0.4s ease;
}
.process-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.process-card:hover::after { width: 100%; }
.process-card__num {
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--clr-primary);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  display: block;
}
.process-card__icon {
  width: 52px;
  height: 52px;
  background: var(--clr-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.process-card__icon svg { width: 24px; height: 24px; color: var(--clr-primary); }
.process-card h4 { font-size: 1rem; margin-bottom: 0.5rem; }
.process-card p  { font-size: 0.875rem; color: var(--clr-body); line-height: 1.6; }

/* ── 17. CTA Banner ───────────────────────────────────────── */
.cta-banner {
  padding: 5rem 0;
  background: var(--clr-primary);
  background-image: url('assets/images/bg/cta-bg.jpg');
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,85,0,0.9) 0%, rgba(204,68,0,0.92) 100%);
}
.cta-banner .container { position: relative; z-index: 1; }
.cta-banner__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
}
.cta-banner h2 {
  color: var(--clr-white);
  margin-bottom: 0.75rem;
}
.cta-banner p {
  color: rgba(255,255,255,0.85);
  font-size: 1.0625rem;
}
.cta-banner__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── 18. Contact Section ──────────────────────────────────── */
.contact-section { padding: var(--section-py) 0; }
.contact-section__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}
.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.contact-info__icon {
  width: 48px;
  height: 48px;
  background: var(--clr-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info__icon svg { width: 20px; height: 20px; color: var(--clr-primary); }
.contact-info__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--clr-body);
  margin-bottom: 0.25rem;
}
.contact-info__val {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--clr-heading);
}
.contact-info__val a { color: inherit; }
.contact-info__val a:hover { color: var(--clr-primary); }
.contact-map {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 1.5rem;
  border: 1px solid var(--clr-border);
}
.contact-map iframe { display: block; width: 100%; height: 220px; border: none; }

/* Contact Form */
.contact-form {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}
.contact-form h3 { margin-bottom: 0.5rem; }
.contact-form > p { color: var(--clr-body); font-size: 0.9rem; margin-bottom: 2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.375rem; margin-bottom: 1rem; }
.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-heading);
  letter-spacing: 0.02em;
}
.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.7rem 1rem;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--clr-heading);
  background: var(--clr-white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #aab2bc; }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-light);
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-honeypot { display: none; }
.form-submit { margin-top: 0.5rem; }
.form-submit .sine-btn { width: 100%; justify-content: center; }
.form-error {
  display: none;
  padding: 0.75rem 1rem;
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: var(--radius-sm);
  color: #dc2626;
  font-size: 0.875rem;
  margin-top: 0.75rem;
}
.form-error.visible { display: block; }
.form-success {
  display: none;
  padding: 0.75rem 1rem;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.25);
  border-radius: var(--radius-sm);
  color: #16a34a;
  font-size: 0.875rem;
  margin-top: 0.75rem;
}
.form-success.visible { display: block; }

/* ── 19. Footer ───────────────────────────────────────────── */
.site-footer {
  background: var(--clr-footer-bg);
  padding: 5rem 0 0;
}
.site-footer__main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.site-footer__logo img { height: 44px; margin-bottom: 1.25rem; }
.site-footer__desc {
  color: var(--clr-footer-text);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.site-footer__social {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}
.site-footer__social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition);
}
.site-footer__social-link svg { width: 14px; height: 14px; }
.site-footer__social-link:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: var(--clr-white);
}
.site-footer__col-title {
  color: var(--clr-white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}
.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.site-footer__link {
  color: var(--clr-footer-text);
  font-size: 0.9rem;
  transition: color var(--transition), padding-left var(--transition);
}
.site-footer__link:hover {
  color: var(--clr-primary);
  padding-left: 0.375rem;
}
.site-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.site-footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--clr-footer-text);
}
.site-footer__contact svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--clr-primary);
}
.site-footer__contact a { color: var(--clr-footer-text); }
.site-footer__contact a:hover { color: var(--clr-primary); }
.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.site-footer__copy {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.45);
}
.site-footer__bottom-links { display: flex; gap: 1.5rem; }
.site-footer__bottom-link {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}
.site-footer__bottom-link:hover { color: var(--clr-primary); }

/* ── 20. Page Header (inner pages) ───────────────────────── */
.page-header {
  position: relative;
  padding: 5.5rem 0 4.5rem;
  background: var(--clr-heading);
  overflow: hidden;
}
.page-header__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.page-header__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,26,61,0.88) 0%, rgba(0,26,61,0.65) 100%);
}
.page-header .container { position: relative; z-index: 1; }
.page-header__tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--clr-primary);
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
}
.page-header h1 { color: var(--clr-white); margin-bottom: 1rem; }
.page-header__sub {
  color: rgba(255,255,255,0.7);
  font-size: 1.0625rem;
  max-width: 560px;
  margin-bottom: 1.5rem;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
}
.breadcrumb a { color: inherit; transition: color var(--transition); }
.breadcrumb a:hover { color: var(--clr-primary); }
.breadcrumb svg { width: 10px; height: 10px; opacity: 0.5; }

/* ── 21. Inner Section Layouts ────────────────────────────── */
.section-content { padding: var(--section-py) 0; }
.section-content.bg-light { background: var(--clr-light-bg); }
.section-content.bg-white { background: var(--clr-white); }

/* Two-column image+content */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.two-col--reversed .two-col__image { order: 2; }
.two-col__image { position: relative; }
.two-col__img {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}
.two-col__content h2 { margin-bottom: 1.25rem; }
.two-col__content p  { margin-bottom: 1.25rem; }

/* Service detail cards (wireless/fixed pages) */
.service-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.svc-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.svc-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--clr-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.svc-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.svc-card:hover::before { transform: scaleX(1); }
.svc-card__icon {
  width: 56px;
  height: 56px;
  background: var(--clr-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.svc-card__icon svg { width: 26px; height: 26px; color: var(--clr-primary); }
.svc-card h4 { font-size: 1.0625rem; margin-bottom: 0.625rem; }
.svc-card p  { font-size: 0.875rem; line-height: 1.65; color: var(--clr-body); }
.svc-card ul { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.svc-card ul li {
  font-size: 0.875rem;
  color: var(--clr-body);
  padding-left: 1.25rem;
  position: relative;
}
.svc-card ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--clr-primary);
  font-weight: 700;
}

/* Spec table */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 2rem;
}
.spec-row {
  background: var(--clr-white);
  padding: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.spec-row__key {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clr-body);
}
.spec-row__val {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-heading);
}
.spec-row__val span { color: var(--clr-primary); }

/* ── 22. Scroll to Top ────────────────────────────────────── */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  background: var(--clr-primary);
  color: var(--clr-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(255,85,0,0.35);
  z-index: 800;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all var(--transition);
}
.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.scroll-top:hover { background: var(--clr-primary-dark); transform: translateY(-3px); }
.scroll-top svg { width: 20px; height: 20px; }

/* ── 23. Toast ────────────────────────────────────────────── */
.sine-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 9000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.sine-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.sine-toast.success { background: #16a34a; color: #fff; }
.sine-toast.error   { background: #dc2626; color: #fff; }
.sine-toast.info    { background: var(--clr-heading); color: #fff; }

/* ── 24. Utility ──────────────────────────────────────────── */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.flex  { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
[data-aos] { transition-property: opacity, transform; }

/* ── 25. DARK MODE ────────────────────────────────────────── */
[data-theme="dark"] {
  --clr-white:      var(--clr-dark-bg);
  --clr-light-bg:   var(--clr-dark-surface);
  --clr-light-bg2:  var(--clr-dark-surface2);
  --clr-border:     var(--clr-dark-border);
  --clr-heading:    var(--clr-dark-heading);
  --clr-body:       var(--clr-dark-body);
  --clr-header-bg:  var(--clr-dark-surface);
  --clr-nav-link:   var(--clr-dark-heading);
  --shadow-sm:      0 2px 10px rgba(0,0,0,0.3);
  --shadow-md:      0 8px 30px rgba(0,0,0,0.4);
  --shadow-lg:      0 20px 60px rgba(0,0,0,0.5);
  --shadow-xl:      0 30px 90px rgba(0,0,0,0.6);
}
[data-theme="dark"] body         { background: var(--clr-dark-bg); color: var(--clr-dark-body); }
[data-theme="dark"] .header-topbar { background: #0a0914; }
[data-theme="dark"] .site-header   { background: var(--clr-dark-surface); box-shadow: 0 1px 0 var(--clr-dark-border); }
[data-theme="dark"] .site-nav__dropdown { background: var(--clr-dark-surface2); border-color: var(--clr-dark-border); }
[data-theme="dark"] .site-nav__dropdown-link { color: var(--clr-dark-heading); }
[data-theme="dark"] .lang-switch__btn { border-color: var(--clr-dark-border); color: var(--clr-dark-heading); }
[data-theme="dark"] .lang-switch__dropdown { background: var(--clr-dark-surface2); border-color: var(--clr-dark-border); }
[data-theme="dark"] .lang-option { color: var(--clr-dark-heading); }
[data-theme="dark"] .theme-toggle { border-color: var(--clr-dark-border); color: var(--clr-dark-heading); }
[data-theme="dark"] .icon-sun   { display: none; }
[data-theme="dark"] .icon-moon  { display: block; }
[data-theme="dark"] .hamburger span { background: var(--clr-dark-heading); }
[data-theme="dark"] .mobile-drawer { background: var(--clr-dark-surface); }
[data-theme="dark"] .mobile-drawer__header { border-color: var(--clr-dark-border); }
[data-theme="dark"] .mobile-drawer__link   { color: var(--clr-dark-heading); }
[data-theme="dark"] .mobile-drawer__footer { border-color: var(--clr-dark-border); }
[data-theme="dark"] .lang-btn { border-color: var(--clr-dark-border); color: var(--clr-dark-heading); }
[data-theme="dark"] .service-item { border-color: var(--clr-dark-border); }
[data-theme="dark"] .service-item__icon { background: var(--clr-dark-surface2); border-color: var(--clr-dark-border); }
[data-theme="dark"] .service-item:hover { background: var(--clr-primary-light); }
[data-theme="dark"] .feature-card  { background: var(--clr-dark-surface2); border-color: var(--clr-dark-border); }
[data-theme="dark"] .process-card  { background: var(--clr-dark-surface); border-color: var(--clr-dark-border); }
[data-theme="dark"] .contact-form  { background: var(--clr-dark-surface); border-color: var(--clr-dark-border); }
[data-theme="dark"] .contact-map   { border-color: var(--clr-dark-border); }
[data-theme="dark"] .svc-card      { background: var(--clr-dark-surface); border-color: var(--clr-dark-border); }
[data-theme="dark"] .spec-row      { background: var(--clr-dark-surface); }
[data-theme="dark"] .spec-grid     { background: var(--clr-dark-border); }
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
  background: var(--clr-dark-surface2);
  border-color: var(--clr-dark-border);
  color: var(--clr-dark-heading);
}
[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder { color: rgba(255,255,255,0.25); }
[data-theme="dark"] .sine-preloader { background: var(--clr-dark-bg); }
[data-theme="dark"] .why-us__spec-overlay { background: var(--clr-dark-surface); border-color: var(--clr-dark-border); }
[data-theme="dark"] .services__float-card { border-color: var(--clr-dark-surface); }
[data-theme="dark"] .site-logo__img--dark  { display: none; }
[data-theme="dark"] .site-logo__img--light { display: block; }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); }

/* ── 26. Responsive ───────────────────────────────────────── */
@media (max-width: 1200px) {
  :root { --section-py: 80px; }
  .services__grid     { gap: 2.5rem; }
  .about__grid        { gap: 2.5rem; }
  .site-footer__main  { grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2rem; }
}

@media (max-width: 992px) {
  .site-nav          { display: none; }
  .hamburger         { display: flex; }
  .header-phone      { display: none; }
  .about__grid       { grid-template-columns: 1fr; }
  .about__image      { max-width: 480px; margin: 0 auto; }
  .about__badge      { left: 0.5rem; }
  .services__grid    { grid-template-columns: 1fr; }
  .services__image   { max-width: 480px; margin: 0 auto; }
  .why-us__grid      { grid-template-columns: 1fr; }
  .why-us__image     { order: 1; max-width: 480px; margin: 0 auto; }
  .why-us__content   { order: 2; }
  .why-us__spec-overlay { right: 0; top: 1rem; }
  .process__grid     { grid-template-columns: 1fr 1fr; }
  .cta-banner__inner { grid-template-columns: 1fr; text-align: center; }
  .cta-banner__actions { justify-content: center; }
  .contact-section__grid { grid-template-columns: 1fr; }
  .site-footer__main { grid-template-columns: 1fr 1fr; }
  .two-col           { grid-template-columns: 1fr; }
  .two-col--reversed .two-col__image { order: 0; }
  .service-cards     { grid-template-columns: 1fr 1fr; }
  .counter-strip__grid { grid-template-columns: repeat(2,1fr); }
  .counter-item + .counter-item::before { display: none; }
}

@media (max-width: 768px) {
  :root { --section-py: 60px; }
  .header-topbar__right { display: none; }
  .features-grid  { grid-template-columns: 1fr; }
  .process__grid  { grid-template-columns: 1fr; }
  .form-row       { grid-template-columns: 1fr; }
  .services__float-card { right: 0; bottom: -1rem; width: 50%; }
  .site-footer__main { grid-template-columns: 1fr; gap: 2rem; }
  .site-footer__bottom { flex-direction: column; text-align: center; }
  .service-cards  { grid-template-columns: 1fr; }
  .spec-grid      { grid-template-columns: 1fr; }
  .hero__actions  { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 576px) {
  .counter-strip__grid { grid-template-columns: 1fr 1fr; }
  .contact-form { padding: 1.5rem; }
  .about__badge { position: static; margin-top: 1rem; display: inline-block; }
}