/* ============================================================
   PT KAMITRA NARAYA REKAYASA — Company Profile
   Engineering Reliability. Empowering Efficiency.
   Theme: Power-Grid Light · Glassmorphism · Engineering Blue
   ============================================================ */

:root {
  /* palette */
  --bg-0: #ffffff;
  --bg-1: #f6f8fb;
  --bg-2: #eef2f7;
  --bg-3: #e5eaf1;
  --card: rgba(255, 255, 255, 0.88);
  --card-border: rgba(15, 23, 42, 0.08);
  --cyan: #0891b2;
  --cyan-bright: #22d3ee;
  --blue: #0284c7;
  --blue-deep: #0369a1;
  --green: #16a34a;
  --amber: #d97706;
  --txt: #0f172a;
  --txt-2: #475569;
  --txt-3: #94a3b8;
  --glass: rgba(15, 23, 42, 0.04);

  /* gradients */
  --grad-main: linear-gradient(120deg, #0891b2 0%, #0284c7 50%, #1d4ed8 100%);
  --grad-btn: linear-gradient(120deg, #06b6d4 0%, #0284c7 55%, #0369a1 100%);
  --grad-green: linear-gradient(120deg, #22c55e, #15803d);
  --grad-glass: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(248,250,252,0.7) 50%, rgba(255,255,255,0.9) 100%);

  /* type */
  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* misc */
  --radius: 18px;
  --radius-sm: 12px;
  --nav-h: 72px;
  --shadow-card: 0 20px 60px -28px rgba(15, 23, 42, 0.22);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-0);
  color: var(--txt);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.nav-open { overflow: hidden; }

::selection { background: rgba(14, 165, 233, 0.22); color: var(--txt); }

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

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; font-weight: 700; }

/* ---------- background grid ---------- */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 20%, transparent 75%);
  pointer-events: none;
}

/* ---------- preloader ---------- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-0);
  display: grid;
  place-items: center;
  transition: opacity 0.6s var(--ease), visibility 0.6s;
}
.preloader.done { opacity: 0; visibility: hidden; }
.preloader-inner { text-align: center; }
.preloader-mark { animation: pulseHex 1.6s ease-in-out infinite; }
@keyframes pulseHex {
  0%, 100% { transform: scale(1); opacity: 1; filter: drop-shadow(0 0 0 rgba(2,132,199,0)); }
  50% { transform: scale(1.06); opacity: 0.9; filter: drop-shadow(0 0 18px rgba(2,132,199,0.35)); }
}
.preloader-bar {
  width: 180px; height: 3px;
  margin: 22px auto 12px;
  border-radius: 99px;
  background: rgba(148, 163, 184, 0.25);
  overflow: hidden;
}
.preloader-bar span {
  display: block; height: 100%; width: 40%;
  border-radius: 99px;
  background: var(--grad-btn);
  animation: loadSlide 1.1s ease-in-out infinite;
}
@keyframes loadSlide {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(290%); }
}
.preloader-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--txt-3);
}

/* ---------- cursor glow ---------- */
.cursor-glow {
  position: fixed;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.06) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  will-change: transform;
}
@media (pointer: coarse) { .cursor-glow { display: none; } }

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background 0.4s var(--ease), box-shadow 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: rgba(15, 23, 42, 0.08);
  box-shadow: 0 10px 40px -24px rgba(15, 23, 42, 0.18);
}
.nav-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-logo { display: block; flex-shrink: 0; }
.nav-logo img { height: 44px; width: auto; transition: transform 0.3s var(--ease), filter 0.3s; }
.nav-logo:hover img { transform: scale(1.05); filter: drop-shadow(0 4px 14px rgba(2, 132, 199, 0.3)); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  position: relative;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--txt-2);
  padding: 10px 14px;
  border-radius: 10px;
  transition: color 0.25s, background 0.25s;
}
.nav-links a:hover { color: var(--txt); background: var(--glass); }
.nav-links a.nav-cta {
  margin-left: 10px;
  color: #ffffff;
  background: var(--grad-btn);
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 99px;
  box-shadow: 0 8px 22px -10px rgba(2, 132, 199, 0.55);
}
.nav-links a.nav-cta:hover { filter: brightness(1.08); color: #ffffff; background: var(--grad-btn); }
.nav-burger {
  display: none;
  background: none; border: 0;
  width: 44px; height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  border-radius: 10px;
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--txt);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--nav-h) + 48px) 24px 110px;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
}
.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 70% 55% at 50% 0%, rgba(14, 165, 233, 0.10), transparent 65%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.4) 0%, var(--bg-0) 94%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1240px;
  margin: 0 auto;
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--txt-2);
  padding: 9px 18px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  box-shadow: 0 6px 20px -12px rgba(15, 23, 42, 0.15);
  margin-bottom: 28px;
}
.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.45);
  animation: ping 2s infinite;
}
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.45); }
  70% { box-shadow: 0 0 0 11px rgba(22, 163, 74, 0); }
  100% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); }
}
.hero-title {
  font-size: clamp(2.4rem, 6.2vw, 4.8rem);
  letter-spacing: -0.02em;
  max-width: 900px;
  text-wrap: balance;
  color: var(--txt);
}
.hero-title .hero-line { display: block; }
.hero-title em { font-style: normal; color: var(--cyan); }
.grad-text {
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  padding-bottom: 0.08em;
}
.hero-sub {
  margin-top: 24px;
  max-width: 640px;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--txt-2);
}
.hero-sub strong { color: var(--txt); font-weight: 600; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15.5px;
  padding: 15px 28px;
  border-radius: 99px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.3s, filter 0.3s, background 0.3s, border-color 0.3s;
  min-height: 48px;
  will-change: transform;
}
.btn-primary {
  background: var(--grad-btn);
  color: #ffffff;
  box-shadow: 0 12px 34px -12px rgba(2, 132, 199, 0.6);
}
.btn-primary:hover { filter: brightness(1.08); box-shadow: 0 16px 44px -12px rgba(6, 182, 212, 0.65); }
.btn-ghost {
  background: transparent;
  color: var(--txt);
  border-color: rgba(15, 23, 42, 0.22);
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); background: rgba(2, 132, 199, 0.05); }
.btn-block { width: 100%; }

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--txt-3);
  transition: color 0.3s;
}
.hero-scroll:hover { color: var(--blue); }
.hero-scroll svg { animation: bob 1.8s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* ---------- marquee ---------- */
.marquee {
  overflow: hidden;
  padding: 20px 0;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  background: var(--bg-1);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 44px;
  white-space: nowrap;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 2.5px;
  color: var(--txt-3);
}
.marquee-track i { color: var(--blue); font-style: normal; font-size: 10px; opacity: 0.6; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- sections ---------- */
.section { position: relative; padding: 96px 24px; }
.container { max-width: 1240px; margin: 0 auto; }

.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 3.5px;
  color: var(--blue);
  margin-bottom: 16px;
  padding: 6px 14px;
  border: 1px solid rgba(2, 132, 199, 0.22);
  border-radius: 99px;
  background: rgba(2, 132, 199, 0.06);
}
.section-head h2 { font-size: clamp(2rem, 4.6vw, 3.2rem); letter-spacing: -0.015em; }
.section-desc { margin-top: 14px; color: var(--txt-2); font-size: 1.05rem; }

/* ---------- about ---------- */
.about { background: linear-gradient(180deg, var(--bg-0), var(--bg-1) 60%); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
.about-visual { position: relative; }
.about-img-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: var(--shadow-card);
}
.about-img-wrap img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.about-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(15, 23, 42, 0.18));
}
.about-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13.5px;
  padding: 10px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(15, 23, 42, 0.1);
  color: var(--txt);
  box-shadow: 0 12px 30px -14px rgba(15, 23, 42, 0.35);
  animation: float 5s ease-in-out infinite;
}
.chip-1 { top: 18px; left: 18px; }
.chip-2 { bottom: 18px; left: 18px; animation-delay: -1.6s; }
.chip-3 { bottom: 18px; right: 18px; animation-delay: -3.2s; }
.chip-ico { font-size: 16px; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }

.about-text p { color: var(--txt-2); margin-bottom: 18px; font-size: 1.05rem; }
.about-text p strong { color: var(--txt); }
.about-points { margin: 26px 0 30px; display: grid; gap: 13px; }
.about-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--txt-2);
  font-size: 15.5px;
}
.pt-ico { color: var(--green); font-weight: 700; }
.link-arrow {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--blue);
  font-size: 15.5px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.3s var(--ease);
}
.link-arrow:hover { gap: 14px; }

/* ---------- vision & mission ---------- */
.vm { background: var(--bg-1); }
.vm-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.vm-card {
  position: relative;
  padding: 40px 34px;
  border-radius: var(--radius);
  background: var(--grad-glass);
  border: 1px solid rgba(15, 23, 42, 0.09);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.vm-card::before {
  content: "";
  position: absolute;
  top: -60px; right: -60px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.12), transparent 70%);
  pointer-events: none;
}
.vm-card:hover { transform: translateY(-6px); border-color: rgba(2, 132, 199, 0.35); box-shadow: 0 30px 60px -30px rgba(2, 132, 199, 0.25); }
.vm-icon {
  width: 56px; height: 56px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--blue);
  background: rgba(2, 132, 199, 0.08);
  border: 1px solid rgba(2, 132, 199, 0.22);
  margin-bottom: 22px;
}
.vm-card h3 { font-size: 1.5rem; margin-bottom: 14px; }
.vm-card p { color: var(--txt-2); }
.vm-card p strong { color: var(--txt); }
.vm-list { display: grid; gap: 12px; color: var(--txt-2); }
.vm-list li { position: relative; padding-left: 22px; }
.vm-list li::before {
  content: "";
  position: absolute; left: 0; top: 9px;
  width: 9px; height: 9px;
  border-radius: 3px;
  background: var(--grad-green);
}
.vm-tag {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 2.5px;
  color: var(--txt-3);
}

/* ---------- values ---------- */
.values { background: linear-gradient(180deg, var(--bg-1), var(--bg-0)); }
.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.value-card {
  position: relative;
  padding: 32px 26px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid rgba(15, 23, 42, 0.09);
  backdrop-filter: blur(10px);
  box-shadow: 0 14px 40px -28px rgba(15, 23, 42, 0.18);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.value-card::after {
  content: "";
  position: absolute;
  inset: auto -30% -70% -30%;
  height: 70%;
  background: radial-gradient(ellipse, rgba(14, 165, 233, 0.1), transparent 70%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}
.value-card:hover { transform: translateY(-8px); border-color: rgba(2, 132, 199, 0.4); box-shadow: 0 30px 60px -30px rgba(2, 132, 199, 0.3); }
.value-card:hover::after { opacity: 1; }
.value-letter {
  font-family: var(--font-display);
  font-size: 3.4rem;
  font-weight: 700;
  line-height: 1;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  margin-bottom: 18px;
  transition: transform 0.4s var(--ease);
}
.value-card:hover .value-letter { transform: scale(1.08); }
.value-letter.ra { font-size: 2.3rem; padding-top: 0.4rem; }
.value-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.value-card p { color: var(--txt-2); font-size: 14.5px; }

/* ---------- services ---------- */
.services { background: var(--bg-0); }
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
.service-card {
  position: relative;
  padding: 34px 28px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid rgba(15, 23, 42, 0.09);
  backdrop-filter: blur(10px);
  box-shadow: 0 14px 40px -28px rgba(15, 23, 42, 0.18);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-btn);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.service-card:hover { transform: translateY(-8px); border-color: rgba(2, 132, 199, 0.35); box-shadow: var(--shadow-card); }
.service-card:hover::before { transform: scaleX(1); }
.service-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.service-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--txt-3);
  border: 1px solid rgba(15, 23, 42, 0.1);
  padding: 5px 12px;
  border-radius: 99px;
}
.service-ico {
  font-size: 30px;
  filter: drop-shadow(0 0 14px rgba(2, 132, 199, 0.25));
  transition: transform 0.4s var(--ease);
}
.service-card:hover .service-ico { transform: rotate(-8deg) scale(1.12); }
.service-card h3 { font-size: 1.28rem; margin-bottom: 16px; }
.service-card ul { display: grid; gap: 10px; }
.service-card li {
  position: relative;
  padding-left: 24px;
  color: var(--txt-2);
  font-size: 15px;
}
.service-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 12px; height: 2px;
  border-radius: 2px;
  background: var(--grad-btn);
}
.service-hint {
  display: block;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed rgba(15, 23, 42, 0.12);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 2.5px;
  color: var(--txt-3);
}

/* ---------- why ---------- */
.why { background: linear-gradient(180deg, var(--bg-0), var(--bg-1)); }
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
.why-card {
  padding: 34px 30px;
  border-radius: var(--radius);
  background: var(--grad-glass);
  border: 1px solid rgba(15, 23, 42, 0.09);
  box-shadow: var(--shadow-card);
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.why-card:hover { transform: translateY(-6px); border-color: rgba(22, 163, 74, 0.4); box-shadow: 0 30px 60px -30px rgba(22, 163, 74, 0.25); }
.why-ico {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: var(--green);
  background: rgba(22, 163, 74, 0.08);
  border: 1px solid rgba(22, 163, 74, 0.22);
  margin-bottom: 20px;
  transition: transform 0.4s var(--ease);
}
.why-card:hover .why-ico { transform: scale(1.1) rotate(-6deg); }
.why-card h3 { font-size: 1.2rem; margin-bottom: 12px; }
.why-card p { color: var(--txt-2); font-size: 15px; }

/* ---------- case study ---------- */
.casestudy { background: var(--bg-1); }
.cs-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 40px;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid rgba(15, 23, 42, 0.09);
  box-shadow: 0 14px 40px -28px rgba(15, 23, 42, 0.18);
}
.cs-meta-item { display: flex; flex-direction: column; gap: 3px; }
.cs-meta-item span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 2.5px;
  color: var(--txt-3);
}
.cs-meta-item strong { font-family: var(--font-display); font-size: 15px; color: var(--txt); font-weight: 600; }

.cs-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}
.cs-tab {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14.5px;
  color: var(--txt-2);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(15, 23, 42, 0.12);
  padding: 12px 22px;
  border-radius: 99px;
  cursor: pointer;
  min-height: 46px;
  transition: all 0.3s var(--ease);
}
.cs-tab:hover { color: var(--txt); border-color: rgba(2, 132, 199, 0.4); }
.cs-tab.active {
  color: #ffffff;
  background: var(--grad-btn);
  border-color: transparent;
  box-shadow: 0 10px 26px -12px rgba(2, 132, 199, 0.55);
}

.cs-panel-wrap { min-height: 320px; }
.cs-panel { animation: fadeUp 0.5s var(--ease); }
.cs-panel[hidden] { display: none; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.cs-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.cs-item {
  padding: 28px 24px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid rgba(15, 23, 42, 0.09);
  box-shadow: 0 14px 40px -28px rgba(15, 23, 42, 0.18);
  transition: border-color 0.3s, transform 0.3s var(--ease);
}
.cs-item:hover { border-color: rgba(2, 132, 199, 0.4); transform: translateY(-4px); }
.cs-ico { font-size: 26px; display: block; margin-bottom: 14px; }
.cs-item h4 { font-size: 1.08rem; margin-bottom: 10px; }
.cs-item p { color: var(--txt-2); font-size: 14.5px; }

.cs-results { display: grid; grid-template-columns: 1fr; gap: 18px; margin-bottom: 26px; }
.cs-result {
  padding: 28px 24px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid rgba(15, 23, 42, 0.09);
  box-shadow: 0 14px 40px -28px rgba(15, 23, 42, 0.18);
  text-align: center;
}
.cs-result h4 { margin: 16px 0 8px; }
.cs-result p { color: var(--txt-2); font-size: 14.5px; }
.cs-result p strong { color: var(--green); }

.gauge-wrap { display: grid; place-items: center; }
.gauge { width: 128px; height: 128px; transform: rotate(-90deg); }
.gauge circle { fill: none; stroke-width: 9; stroke-linecap: round; }
.gauge-bg { stroke: rgba(15, 23, 42, 0.1); }
.gauge-fill {
  stroke: url(#gaugeGrad);
  stroke-dasharray: 314.16;
  stroke-dashoffset: 314.16;
  transition: stroke-dashoffset 1.6s var(--ease);
}
.gauge-num {
  transform: rotate(90deg);
  transform-origin: 60px 60px;
  fill: var(--txt);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
}
.gauge-cap {
  transform: rotate(90deg);
  transform-origin: 60px 60px;
  fill: var(--txt-3);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 2px;
}
.temp-block, .life-block { padding: 26px 0 10px; }
.temp-big, .life-big {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  background: var(--grad-green);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.life-big { background: var(--grad-main); -webkit-background-clip: text; background-clip: text; }
.temp-cap, .life-cap {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 2.5px;
  color: var(--txt-3);
}

.cs-note {
  position: relative;
  padding: 30px 28px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.06), rgba(2, 132, 199, 0.04));
  border: 1px solid rgba(2, 132, 199, 0.22);
  border-left: 4px solid var(--blue);
}
.cs-note-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 3px;
  color: var(--blue);
}
.cs-note p { margin-top: 12px; font-size: 1.02rem; color: var(--txt-2); font-style: italic; }
.cs-note p strong { color: var(--blue); font-style: normal; }

/* ---------- sectors ---------- */
.sectors { background: linear-gradient(180deg, var(--bg-1), var(--bg-0)); }
.sectors-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.sector-block {
  padding: 36px 30px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid rgba(15, 23, 42, 0.09);
  box-shadow: 0 14px 40px -28px rgba(15, 23, 42, 0.18);
  transition: border-color 0.3s, transform 0.3s var(--ease);
}
.sector-block:hover { border-color: rgba(22, 163, 74, 0.35); transform: translateY(-4px); }
.partner-badge { display: flex; gap: 20px; align-items: flex-start; }
.partner-badge svg { flex-shrink: 0; color: var(--green); margin-top: 4px; }
.partner-badge h3 { font-size: 1.3rem; margin-bottom: 10px; }
.partner-badge p { color: var(--txt-2); font-size: 15px; }
.partner-badge p strong { color: var(--txt); }
.sector-title { font-size: 1.3rem; margin-bottom: 18px; }
.sector-list { display: grid; gap: 12px; }
.sector-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--glass);
  border: 1px solid rgba(15, 23, 42, 0.08);
  color: var(--txt-2);
  font-size: 15px;
  transition: all 0.3s var(--ease);
}
.sector-list li:hover { color: var(--txt); border-color: rgba(22, 163, 74, 0.4); transform: translateX(6px); }
.sector-list li span { font-size: 18px; }

/* ---------- contact ---------- */
.contact { background: var(--bg-0); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.contact-info { display: grid; gap: 16px; align-content: start; }
.contact-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 22px 24px;
  border-radius: var(--radius-sm);
  background: var(--card);
  border: 1px solid rgba(15, 23, 42, 0.09);
  box-shadow: 0 14px 40px -28px rgba(15, 23, 42, 0.18);
  transition: border-color 0.3s, transform 0.3s var(--ease);
}
.contact-card:hover { border-color: rgba(2, 132, 199, 0.4); transform: translateX(6px); }
.cc-ico { font-size: 22px; line-height: 1.4; }
.contact-card h4 { font-size: 1.02rem; margin-bottom: 4px; }
.contact-card p { color: var(--txt-2); font-size: 15px; }
.contact-card a { color: var(--blue); transition: opacity 0.3s; }
.contact-card a:hover { opacity: 0.8; text-decoration: underline; }
.contact-cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }

.contact-form {
  padding: 34px 28px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid rgba(15, 23, 42, 0.09);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
  display: grid;
  gap: 18px;
}
.form-row { display: grid; grid-template-columns: 1fr; gap: 18px; }
.form-field { display: grid; gap: 8px; }
.form-field label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--txt-3);
}
.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 15.5px;
  color: var(--txt);
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.16);
  border-radius: 12px;
  padding: 14px 16px;
  width: 100%;
  min-height: 50px;
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}
.form-field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.4'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.14);
}
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--txt-3); }
.form-field input.invalid, .form-field textarea.invalid { border-color: #ef4444; box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.14); }
.form-status { font-size: 14px; }
.form-note { font-size: 12.5px; color: var(--txt-3); text-align: center; }

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  background: var(--bg-1);
  padding: 56px 24px 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  max-width: 1240px;
  margin: 0 auto 44px;
}
.footer-brand img { height: 48px; width: auto; }
.footer-brand p { margin-top: 14px; color: var(--txt-3); font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; align-content: flex-start; }
.footer-links a { color: var(--txt-2); font-size: 14.5px; transition: color 0.3s; }
.footer-links a:hover { color: var(--blue); }
.footer-contact { display: grid; gap: 10px; color: var(--txt-3); font-size: 14px; align-content: flex-start; }
.footer-bottom {
  max-width: 1240px;
  margin: 0 auto;
  padding-top: 26px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--txt-3);
  font-size: 13.5px;
}
.footer-tagline { font-family: var(--font-mono); font-size: 11px; letter-spacing: 2px; }

/* ---------- to top ---------- */
.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 900;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  color: var(--blue);
  display: grid;
  place-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: all 0.4s var(--ease);
  box-shadow: 0 10px 30px -14px rgba(15, 23, 42, 0.3);
}
.to-top.visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: rgba(2, 132, 199, 0.08); box-shadow: 0 0 24px rgba(2, 132, 199, 0.25); }

/* ---------- reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: calc(var(--i, 0) * 90ms);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive: tablet+ ---------- */
@media (min-width: 640px) {
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .cs-grid { grid-template-columns: repeat(3, 1fr); }
  .cs-results { grid-template-columns: repeat(3, 1fr); }
  .cs-meta { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .nav-burger { display: none; }
  .about-grid { grid-template-columns: 1.05fr 1fr; gap: 64px; }
  .vm-grid { grid-template-columns: repeat(2, 1fr); }
  .sectors-grid { grid-template-columns: 1.1fr 1fr; }
  .contact-grid { grid-template-columns: 0.9fr 1.1fr; gap: 56px; }
  .footer-top { grid-template-columns: 1.4fr 0.8fr 1.2fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

@media (min-width: 1200px) {
  .values-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- mobile nav ---------- */
@media (max-width: 899px) {
  .nav-burger { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 20px 28px;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s var(--ease);
  }
  .nav-links.open { transform: none; opacity: 1; visibility: visible; }
  .nav-links a { padding: 14px 16px; font-size: 16px; border-radius: 12px; }
  .nav-links a.nav-cta { margin: 10px 0 0; text-align: center; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}