/* ============================================================
   AISNI Official Website — Premium Tech Minimalism
   Brand Blue: #29ABE2 | Tagline: Life Convenience
   ============================================================ */

/* === ROOT VARIABLES === */
:root {
  --c-blue:       #29ABE2;
  --c-blue-dark:  #1B8FC4;
  --c-blue-hover: #1A98D0;
  --c-blue-light: #E8F5FD;
  --c-blue-xlt:   #F0F9FF;
  --c-navy:       #0A1929;
  --c-navy-2:     #0F2137;
  --c-text:       #1A2D3F;
  --c-text-2:     #4A6072;
  --c-text-3:     #7A90A0;
  --c-bg:         #FFFFFF;
  --c-bg-alt:     #F4F9FD;
  --c-border:     #DDE8F0;
  --c-white:      #FFFFFF;

  --font-display: 'Syne', 'Arial Black', sans-serif;
  --font-body:    'Plus Jakarta Sans', 'Segoe UI', sans-serif;

  --s-1:  8px;
  --s-2:  16px;
  --s-3:  24px;
  --s-4:  32px;
  --s-5:  40px;
  --s-6:  48px;
  --s-8:  64px;
  --s-10: 80px;
  --s-12: 96px;
  --s-16: 128px;

  --max-w: 1280px;
  --nav-h: 72px;

  --t-fast: 0.15s ease;
  --t-mid:  0.3s ease;
  --t-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm:   0 2px 8px rgba(41,171,226,0.08);
  --shadow-md:   0 8px 32px rgba(41,171,226,0.14);
  --shadow-lg:   0 20px 56px rgba(41,171,226,0.18);
  --shadow-card: 0 4px 24px rgba(10,25,41,0.08);
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--font-body); cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: var(--font-body); }

/* === LAYOUT === */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--s-3);
}

.section    { padding: var(--s-12) 0; }
.section-sm { padding: var(--s-8) 0; }

/* === REVEAL ANIMATIONS === */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.16,1,0.3,1),
              transform 0.65s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }

/* === SECTION LABELS === */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: var(--s-2);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.12;
  color: var(--c-text);
  margin-bottom: var(--s-2);
}

.section-title--white { color: #fff; }

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--c-text-2);
  line-height: 1.68;
  max-width: 58ch;
}

.section-header-center {
  text-align: center;
}
.section-header-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 8px;
  transition: all var(--t-mid);
  white-space: nowrap;
  min-height: 48px;
  min-width: 44px;
  cursor: pointer;
}

.btn-primary {
  background: var(--c-blue);
  color: #fff;
  border: 2px solid var(--c-blue);
  box-shadow: 0 4px 18px rgba(41,171,226,0.35);
}
.btn-primary:hover {
  background: var(--c-blue-dark);
  border-color: var(--c-blue-dark);
  box-shadow: 0 6px 28px rgba(41,171,226,0.48);
  transform: translateY(-2px);
}

.btn-outline {
  border: 2px solid var(--c-blue);
  color: var(--c-blue);
  background: transparent;
}
.btn-outline:hover {
  background: var(--c-blue);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-white {
  border: 2px solid rgba(255,255,255,0.6);
  color: #fff;
  background: transparent;
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-white {
  background: #fff;
  color: var(--c-blue);
  border: 2px solid #fff;
  font-weight: 700;
}
.btn-white:hover {
  background: var(--c-blue-light);
  border-color: var(--c-blue-light);
  transform: translateY(-2px);
}

.btn-check {
  width: 100%;
  justify-content: center;
  background: var(--c-blue);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 8px;
  border: 2px solid var(--c-blue);
  box-shadow: 0 2px 14px rgba(41,171,226,0.28);
  transition: all var(--t-mid);
}
.btn-check:hover {
  background: var(--c-blue-dark);
  border-color: var(--c-blue-dark);
  box-shadow: 0 4px 22px rgba(41,171,226,0.44);
  transform: translateY(-2px);
}
.btn-check svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* === NAVBAR === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-mid), box-shadow var(--t-mid);
}
.navbar.scrolled {
  border-bottom-color: var(--c-border);
  box-shadow: 0 1px 24px rgba(10,25,41,0.07);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--s-3);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-mark {
  width: 38px;
  height: 38px;
  background: var(--c-blue);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo-mark svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: #fff;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.logo-text-wrap {
  line-height: 1;
}
.logo-name {
  font-family: var(--font-display);
  font-size: 1.4375rem;
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: -0.01em;
}
.logo-tag {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-blue);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s-5);
}
.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--c-text-2);
  transition: color var(--t-fast);
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--c-blue);
  border-radius: 2px;
  transition: width var(--t-mid);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--c-blue);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta { margin-left: var(--s-2); }

/* === HAMBURGER === */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: background var(--t-fast);
}
.hamburger:hover { background: var(--c-bg-alt); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: all var(--t-mid);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* === MOBILE NAV === */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  z-index: 999;
  padding: var(--s-4) var(--s-3) var(--s-6);
  flex-direction: column;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1);
}
.mobile-nav.open {
  display: flex;
  transform: translateX(0);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: var(--s-4);
}
.mobile-nav-links a {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--c-text);
  padding: var(--s-2) 0;
  border-bottom: 1px solid var(--c-border);
  transition: color var(--t-fast);
  text-align: left;
}
.mobile-nav-links a:hover,
.mobile-nav-links a.active {
  color: var(--c-blue);
}
.mobile-nav .btn {
  width: 100%;
  margin-top: var(--s-1);
}

/* === PAGE OFFSET === */
.page-content { padding-top: var(--nav-h); }

/* === HOME HERO === */
.hero {
  min-height: calc(100svh - var(--nav-h));
  background: var(--c-bg);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg-shape {
  position: absolute;
  top: -10%;
  right: -8%;
  width: 55%;
  height: 120%;
  background: linear-gradient(145deg, var(--c-blue-xlt) 0%, var(--c-blue-light) 50%, rgba(41,171,226,0.03) 100%);
  border-radius: 0 0 0 50%;
  z-index: 0;
  pointer-events: none;
}
.hero-bg-dot {
  position: absolute;
  bottom: 5%;
  left: 3%;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(41,171,226,0.05) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-8);
  align-items: center;
  position: relative;
  z-index: 1;
  padding: var(--s-10) var(--s-3);
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--c-blue-light);
  border: 1px solid rgba(41,171,226,0.22);
  color: var(--c-blue);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: var(--s-3);
  letter-spacing: 0.03em;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--c-blue);
  border-radius: 50%;
  flex-shrink: 0;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.08;
  color: var(--c-text);
  margin-bottom: var(--s-3);
}
.hero-title .accent { color: var(--c-blue); }

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--c-text-2);
  line-height: 1.7;
  max-width: 46ch;
  margin-bottom: var(--s-5);
}

.hero-ctas {
  display: flex;
  gap: var(--s-2);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--s-5);
  margin-top: var(--s-6);
  padding-top: var(--s-4);
  border-top: 1px solid var(--c-border);
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--c-blue);
  line-height: 1;
  margin-bottom: 4px;
}
.hero-stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--c-text-3);
  letter-spacing: 0.02em;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.hero-img-wrap {
  width: 100%;
  max-width: 560px;
  aspect-ratio: 4/3;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-blue-light) 0%, var(--c-blue-xlt) 100%);
  box-shadow: var(--shadow-lg);
  position: relative;
}
.hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--s-3);
}

.float-badge {
  position: absolute;
  background: #fff;
  border-radius: 14px;
  padding: 12px 18px;
  box-shadow: 0 8px 32px rgba(10,25,41,0.14);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.float-badge.top-right {
  top: -18px;
  right: -20px;
}
.float-badge.bottom-left {
  bottom: -18px;
  left: -20px;
}
.float-badge-num {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--c-blue);
  line-height: 1;
}
.float-badge-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.3;
}

/* === MARQUEE === */
.marquee-section {
  background: var(--c-navy);
  padding: 0;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  height: 48px;
  display: flex;
  align-items: center;
}
.marquee-track {
  display: inline-flex;
  animation: marquee-scroll 35s linear infinite;
  will-change: transform;
}
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  padding: 0 var(--s-4);
  height: 48px;
}
.marquee-dot {
  width: 4px;
  height: 4px;
  background: var(--c-blue);
  border-radius: 50%;
  flex-shrink: 0;
}
.marquee-item .highlight {
  color: var(--c-blue);
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* === PRODUCT CARDS === */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
  margin-top: var(--s-6);
}

.product-card {
  border: 1.5px solid var(--c-border);
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
  transition: border-color var(--t-mid), box-shadow var(--t-mid), transform var(--t-mid);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  border-color: rgba(41,171,226,0.45);
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.product-img-wrap {
  aspect-ratio: 1;
  background: var(--c-bg-alt);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s-3);
  position: relative;
}
.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1);
}
.product-card:hover .product-img-wrap img {
  transform: scale(1.04);
}

.product-info {
  padding: var(--s-3);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 8px;
}
.product-name {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.35;
  margin-bottom: var(--s-2);
}
.product-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--s-2);
}
.pill {
  background: var(--c-blue-light);
  color: var(--c-blue-dark);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.02em;
}
.product-desc {
  font-size: 0.875rem;
  color: var(--c-text-2);
  line-height: 1.6;
  margin-bottom: var(--s-3);
  flex: 1;
}

/* === FEATURES === */
.features-section { background: var(--c-bg-alt); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
  margin-top: var(--s-6);
}
.feature-card {
  background: #fff;
  border-radius: 16px;
  padding: var(--s-4);
  border: 1.5px solid var(--c-border);
  transition: border-color var(--t-mid), box-shadow var(--t-mid), transform var(--t-mid);
}
.feature-card:hover {
  border-color: rgba(41,171,226,0.4);
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}
.feature-icon {
  width: 54px;
  height: 54px;
  background: var(--c-blue-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--s-3);
}
.feature-icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--c-blue);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.feature-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 8px;
}
.feature-desc {
  font-size: 0.9375rem;
  color: var(--c-text-2);
  line-height: 1.62;
}

/* === STATS === */
.stats-section {
  background: var(--c-navy);
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 15% 50%, rgba(41,171,226,0.12) 0%, transparent 55%),
              radial-gradient(ellipse at 85% 50%, rgba(41,171,226,0.07) 0%, transparent 55%);
  pointer-events: none;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.07);
  position: relative;
  z-index: 1;
}
.stat-item {
  padding: var(--s-6) var(--s-4);
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.07);
  transition: background var(--t-mid);
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: rgba(41,171,226,0.07); }
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--c-blue);
  line-height: 1;
  margin-bottom: 10px;
}
.stat-label {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
  line-height: 1.4;
}

/* === CTA === */
.cta-section {
  background: linear-gradient(130deg, var(--c-blue) 0%, var(--c-blue-dark) 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -5%;
  width: 550px;
  height: 550px;
  border: 90px solid rgba(255,255,255,0.06);
  border-radius: 50%;
  pointer-events: none;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: 3%;
  width: 350px;
  height: 350px;
  border: 60px solid rgba(255,255,255,0.04);
  border-radius: 50%;
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--s-12) var(--s-3);
  max-width: var(--max-w);
  margin: 0 auto;
}
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.875rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--s-2);
}
.cta-subtitle {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.82);
  margin-bottom: var(--s-5);
  max-width: 52ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.65;
}
.cta-buttons {
  display: flex;
  gap: var(--s-2);
  justify-content: center;
  flex-wrap: wrap;
}

/* === REVIEWS === */
.reviews-section { background: var(--c-bg-alt); }

.reviews-intro {
  max-width: 640px;
  margin: 0 auto var(--s-6);
  text-align: center;
}
.reviews-count {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-text-3);
  margin-top: var(--s-1);
}

.reviews-masonry {
  columns: 3;
  column-gap: var(--s-3);
}
.review-card {
  break-inside: avoid;
  background: #fff;
  border-radius: 16px;
  padding: var(--s-3);
  margin-bottom: var(--s-3);
  border: 1.5px solid var(--c-border);
  transition: border-color var(--t-mid), box-shadow var(--t-mid);
}
.review-card:hover {
  border-color: rgba(41,171,226,0.32);
  box-shadow: var(--shadow-sm);
}
.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--s-2);
}
.review-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--c-blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--c-blue);
  flex-shrink: 0;
  border: 2px solid rgba(41,171,226,0.15);
}
.review-meta { flex: 1; min-width: 0; }
.review-name {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--c-text);
  line-height: 1.2;
}
.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: #16A34A;
  background: #DCFCE7;
  padding: 2px 8px;
  border-radius: 100px;
  margin-top: 3px;
}
.verified-badge::before {
  content: '✓';
  font-size: 0.625rem;
}
.review-text {
  font-size: 0.9375rem;
  color: var(--c-text-2);
  line-height: 1.65;
}
.review-product {
  margin-top: var(--s-2);
  padding-top: var(--s-2);
  border-top: 1px solid var(--c-border);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-blue);
}
.review-date {
  font-size: 0.75rem;
  color: var(--c-text-3);
  margin-top: 4px;
}

/* === FOOTER === */
footer {
  background: var(--c-navy);
  color: rgba(255,255,255,0.65);
}

.footer-top {
  padding: var(--s-12) 0 var(--s-8);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--s-8);
}
.footer-brand {}
.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.footer-logo-name {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 800;
  color: #fff;
}
.footer-logo-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: var(--s-3);
}
.footer-brand-desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: var(--s-3);
}
.footer-address {
  font-size: 0.875rem;
  line-height: 1.75;
  font-style: normal;
  color: rgba(255,255,255,0.5);
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--s-3);
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--t-fast);
}
.footer-col ul a:hover { color: var(--c-blue); }

.footer-contact-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-contact-row svg {
  width: 16px;
  height: 16px;
  stroke: var(--c-blue);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
  margin-top: 3px;
}
.footer-contact-row span {
  font-size: 0.875rem;
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: var(--s-3) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 0.875rem; }
.footer-bottom-links {
  display: flex;
  gap: var(--s-3);
}
.footer-bottom-links a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.45);
  transition: color var(--t-fast);
}
.footer-bottom-links a:hover { color: rgba(255,255,255,0.75); }

/* === PAGE HERO (inner pages) === */
.page-hero {
  background: linear-gradient(160deg, var(--c-bg) 40%, var(--c-bg-alt) 100%);
  padding: var(--s-10) 0 var(--s-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(41,171,226,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-content { position: relative; z-index: 1; }

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--c-text-3);
  margin-bottom: var(--s-3);
}
.breadcrumb a { color: var(--c-blue); transition: color var(--t-fast); }
.breadcrumb a:hover { color: var(--c-blue-dark); }
.breadcrumb-sep { color: var(--c-text-3); }

/* === ABOUT PAGE === */
.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-8);
  align-items: center;
}
.mission-visual {
  border-radius: 24px;
  overflow: hidden;
  background: var(--c-bg-alt);
  border: 1.5px solid var(--c-border);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mission-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--s-4);
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-3);
  margin-top: var(--s-6);
}
.value-card {
  background: #fff;
  border: 1.5px solid var(--c-border);
  border-radius: 16px;
  padding: var(--s-4);
  transition: all var(--t-mid);
}
.value-card:hover {
  border-color: var(--c-blue);
  box-shadow: var(--shadow-sm);
}
.value-num {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--c-blue-light);
  line-height: 1;
  margin-bottom: 8px;
}
.value-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 8px;
}
.value-desc {
  font-size: 0.9375rem;
  color: var(--c-text-2);
  line-height: 1.62;
}

.promises-section { background: var(--c-bg-alt); }
.promises-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
  margin-top: var(--s-6);
}
.promise-card {
  text-align: center;
  padding: var(--s-5) var(--s-4);
  border-radius: 18px;
  background: #fff;
  border: 1.5px solid var(--c-border);
  transition: all var(--t-mid);
}
.promise-card:hover {
  border-color: var(--c-blue);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.promise-icon {
  width: 64px;
  height: 64px;
  background: var(--c-blue-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--s-3);
}
.promise-icon svg {
  width: 30px;
  height: 30px;
  stroke: var(--c-blue);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.promise-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 8px;
}
.promise-desc {
  font-size: 0.9375rem;
  color: var(--c-text-2);
  line-height: 1.6;
}

.team-banner {
  background: var(--c-navy);
  border-radius: 20px;
  padding: var(--s-8) var(--s-6);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.team-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(41,171,226,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.team-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--s-2);
  position: relative;
}
.team-banner p {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.7);
  max-width: 52ch;
  margin: 0 auto var(--s-4);
  line-height: 1.65;
  position: relative;
}

/* === PRODUCTS PAGE === */
.filter-bar {
  display: flex;
  gap: var(--s-1);
  flex-wrap: wrap;
  margin-bottom: var(--s-5);
}
.filter-btn {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 100px;
  border: 2px solid var(--c-border);
  color: var(--c-text-2);
  cursor: pointer;
  transition: all var(--t-fast);
  background: #fff;
  min-height: 44px;
}
.filter-btn:hover,
.filter-btn.active {
  border-color: var(--c-blue);
  color: var(--c-blue);
  background: var(--c-blue-light);
}

.product-detail-card {
  background: #fff;
  border: 1.5px solid var(--c-border);
  border-radius: 20px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  margin-bottom: var(--s-4);
  transition: border-color var(--t-mid), box-shadow var(--t-mid);
}
.product-detail-card:hover {
  border-color: rgba(41,171,226,0.4);
  box-shadow: var(--shadow-md);
}
.product-detail-card[data-category] { display: grid; }
.product-detail-card.hidden { display: none; }

.product-detail-img {
  background: var(--c-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s-5);
  min-height: 340px;
}
.product-detail-img img {
  max-width: 100%;
  max-height: 300px;
  width: 100%;
  height: 300px;
  object-fit: contain;
}
.product-detail-info {
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
}
.product-detail-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 8px;
}
.product-detail-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--c-text);
  line-height: 1.3;
  margin-bottom: var(--s-2);
}
.product-detail-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--s-3);
}
.product-detail-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: var(--s-4);
  flex: 1;
}
.product-detail-bullets li {
  display: flex;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--c-text-2);
  line-height: 1.55;
}
.product-detail-bullets li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--c-blue);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 7px;
}

/* === CONTACT PAGE === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--s-8);
  align-items: start;
}
.contact-info-card {
  background: var(--c-navy);
  border-radius: 20px;
  padding: var(--s-5);
  color: rgba(255,255,255,0.7);
  position: sticky;
  top: calc(var(--nav-h) + var(--s-3));
}
.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}
.contact-info-card > p {
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: var(--s-4);
  color: rgba(255,255,255,0.6);
}
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: var(--s-2) 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.contact-detail:last-child { padding-bottom: 0; }
.contact-detail-icon {
  width: 40px;
  height: 40px;
  background: rgba(41,171,226,0.14);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-detail-icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--c-blue);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.contact-detail-content {}
.contact-detail-content .label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-blue);
  margin-bottom: 2px;
}
.contact-detail-content .value {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.5;
}

.contact-form-card {
  background: #fff;
  border: 1.5px solid var(--c-border);
  border-radius: 20px;
  padding: var(--s-5);
}
.contact-form-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-text);
  margin-bottom: 6px;
}
.contact-form-card > p {
  font-size: 0.9375rem;
  color: var(--c-text-2);
  margin-bottom: var(--s-4);
  line-height: 1.6;
}

.form-group { margin-bottom: var(--s-3); }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--c-border);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--c-text);
  background: var(--c-bg);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  -webkit-appearance: none;
  appearance: none;
  min-height: 50px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--c-blue);
  box-shadow: 0 0 0 4px rgba(41,171,226,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--c-text-3);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-2);
}
.form-submit { width: 100%; }

.form-success {
  display: none;
  text-align: center;
  padding: var(--s-8) var(--s-4);
}
.form-success.show { display: block; }
.form-success-icon {
  width: 72px;
  height: 72px;
  background: #DCFCE7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--s-3);
  font-size: 2rem;
}
.form-success h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-text);
  margin-bottom: 8px;
}
.form-success p {
  color: var(--c-text-2);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* === FAQ === */
.faq-section { background: var(--c-bg-alt); }
.faq-list {
  max-width: 800px;
  margin: var(--s-6) auto 0;
}
.faq-item {
  background: #fff;
  border: 1.5px solid var(--c-border);
  border-radius: 12px;
  margin-bottom: var(--s-2);
  overflow: hidden;
  transition: border-color var(--t-fast);
}
.faq-item.open { border-color: rgba(41,171,226,0.45); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-4);
  cursor: pointer;
  min-height: 64px;
  user-select: none;
}
.faq-q-text {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.4;
}
.faq-chevron {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  stroke: var(--c-blue);
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform var(--t-mid);
}
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.42s cubic-bezier(0.16,1,0.3,1);
}
.faq-answer-inner {
  padding: 0 var(--s-4) var(--s-4);
  font-size: 0.9375rem;
  color: var(--c-text-2);
  line-height: 1.7;
}

/* === MEDIA QUERIES === */
@media (max-width: 1024px) {
  .features-grid         { grid-template-columns: repeat(2, 1fr); }
  .stats-grid            { grid-template-columns: repeat(2, 1fr); }
  .reviews-masonry       { columns: 2; }
  .footer-top            { grid-template-columns: 1fr 1fr; gap: var(--s-5); }
  .products-grid         { grid-template-columns: repeat(2, 1fr); }
  .product-detail-card   { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }

  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: var(--s-8) var(--s-3);
    gap: var(--s-5);
  }
  .hero-subtitle   { max-width: 100%; margin-left: auto; margin-right: auto; }
  .hero-ctas       { justify-content: center; }
  .hero-stats      { justify-content: center; gap: var(--s-4); }
  .hero-visual     { order: -1; }
  .hero-img-wrap   { max-width: 100%; }
  .float-badge     { display: none; }

  .products-grid   { grid-template-columns: 1fr; }
  .features-grid   { grid-template-columns: 1fr; }
  .stats-grid      { grid-template-columns: repeat(2, 1fr); }
  .reviews-masonry { columns: 1; }
  .promises-grid   { grid-template-columns: 1fr; }
  .values-grid     { grid-template-columns: 1fr; }
  .mission-grid    { grid-template-columns: 1fr; }
  .contact-grid    { grid-template-columns: 1fr; }
  .form-row        { grid-template-columns: 1fr; }

  .product-detail-card {
    grid-template-columns: 1fr;
  }
  .product-detail-img {
    min-height: 240px;
  }
  .product-detail-img img {
    height: 220px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--s-5);
    padding: var(--s-8) 0 var(--s-5);
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .footer-bottom-links { justify-content: center; }

  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-buttons .btn { width: 100%; max-width: 320px; justify-content: center; }

  .section       { padding: var(--s-8) 0; }
  .section-sm    { padding: var(--s-5) 0; }
  .contact-info-card { position: static; }
  .team-banner { padding: var(--s-5) var(--s-3); }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--s-2); }
  .hero-stats { gap: var(--s-3); flex-wrap: wrap; justify-content: center; }
  .stat-item { padding: var(--s-4) var(--s-2); }
  .filter-bar { justify-content: flex-start; }
  .btn { padding: 12px 20px; font-size: 0.875rem; }
}