:root {
  --ink: #082f58;
  --muted: #607386;
  --teal: #075ca8;
  --teal-dark: #003f7d;
  --lime: #2b85c5;
  --pale: #eaf3fa;
  --navy: #052f58;
  --line: #c9dceb;
}

html { scroll-behavior: smooth; }
body { color: var(--ink); font-family: "DM Sans", sans-serif; overflow-x: hidden; }
h1, h2, h3 { font-family: "Manrope", sans-serif; font-weight: 800; letter-spacing: -.035em; }
p { color: var(--muted); line-height: 1.75; }
.section-space { padding: 124px 0; }
.section-label { color: var(--teal); display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .18em; margin-bottom: 14px; text-transform: uppercase; }
.section-label.light { color: #8dc8f1; }
h2 { font-size: clamp(2.2rem, 4vw, 3.4rem); line-height: 1.12; margin-bottom: 22px; }
h2 em { color: var(--teal); font-family: "Newsreader", serif; font-weight: 500; }

#mainNav { background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(7,92,168,.11); min-height: 82px; transition: .3s ease; }
#mainNav .navbar-brand img { height: 58px; width: auto; }
#mainNav .nav-link { color: var(--ink); font-size: .94rem; font-weight: 600; }
#mainNav .nav-link:hover, #mainNav .nav-link.active { color: var(--teal); }
.btn { border: 0; border-radius: 2px; font-weight: 700; padding: 12px 23px; }
.btn-brand { background: var(--teal); color: white; }
.btn-brand:hover { background: var(--teal-dark); color: white; transform: translateY(-1px); }

.hero { background: #dce8e9 url("../images/hero.jpg") 64% center/cover no-repeat; min-height: 800px; padding-top: 90px; position: relative; }
.hero-shade { background: linear-gradient(90deg, #f5f9fc 0%, rgba(245,249,252,.96) 38%, rgba(245,249,252,.18) 76%), linear-gradient(0deg, rgba(0,63,125,.1), transparent 40%); inset: 0; position: absolute; }
.hero-index { align-items: center; color: var(--teal); display: flex; font-family: "Manrope"; font-size: .72rem; font-weight: 800; gap: 20px; letter-spacing: .12em; margin-bottom: 26px; }
.hero-index span { border-left: 1px solid var(--line); color: var(--muted); font-weight: 600; letter-spacing: .04em; padding-left: 20px; text-transform: uppercase; }
.eyebrow { align-items: center; color: var(--teal-dark); display: inline-flex; font-size: .77rem; font-weight: 700; gap: 8px; margin-bottom: 20px; padding: 0; text-transform: uppercase; }
.hero h1 { font-size: clamp(3rem, 6vw, 5.35rem); line-height: .99; margin-bottom: 26px; max-width: 750px; }
.hero h1 span { color: var(--teal); display: block; font-family: "Newsreader", serif; font-weight: 500; }
.hero p { color: #425b65; font-size: 1.18rem; max-width: 590px; }
.hero .btn-lg { font-size: .96rem; margin-top: 18px; padding: 16px 25px; }
.scroll-cue { align-items: center; background: white; border-radius: 50%; bottom: 28px; box-shadow: 0 8px 30px rgba(0,0,0,.12); color: var(--teal); display: flex; height: 48px; justify-content: center; left: 50%; position: absolute; width: 48px; }
.hero-rail { align-items: center; bottom: 42px; color: #4d6982; font-size: .68rem; font-weight: 700; gap: 18px; letter-spacing: .17em; position: absolute; right: 5%; text-transform: uppercase; }
.hero-rail i { background: var(--teal); border-radius: 50%; height: 4px; width: 4px; }

.benefit-strip { margin-top: -1px; padding: 0 0 30px; position: relative; z-index: 3; }
.benefit-card { align-items: center; background: white; border: 1px solid var(--line); border-bottom: 3px solid transparent; display: flex; gap: 14px; min-height: 112px; padding: 22px; transition: .25s; }
.benefit-card:hover { border-color: var(--teal); transform: translateY(-6px); }
.benefit-card i { color: var(--teal); font-size: 1.8rem; }
.benefit-card span { font-weight: 700; line-height: 1.25; }

.lead-copy { color: var(--ink); font-size: 1.16rem; font-weight: 500; }
.mini-stat { border-left: 3px solid var(--teal); display: flex; flex-direction: column; padding-left: 16px; }
.mini-stat strong { color: var(--teal); font-family: "Manrope"; font-size: 1.6rem; }
.mini-stat span { color: var(--muted); font-size: .85rem; }
.product-visual { align-items: center; background: linear-gradient(145deg, white, #dfeefa); border-radius: 3px 120px 3px 120px; display: flex; height: 520px; justify-content: center; position: relative; }
.product-visual > img { filter: drop-shadow(0 28px 24px rgba(0,63,125,.2)); max-width: 88%; position: relative; transform: rotate(-5deg); z-index: 2; }
.visual-orbit { border: 1px dashed rgba(7,92,168,.28); border-radius: 50%; position: absolute; }
.orbit-one { height: 80%; width: 80%; }.orbit-two { height: 58%; width: 58%; }
.sensor-note { align-items: center; background: white; border-radius: 12px; bottom: 45px; box-shadow: 0 14px 40px rgba(16,44,57,.14); display: flex; gap: 12px; left: 5px; padding: 14px 18px; position: absolute; z-index: 3; }
.sensor-note i { color: var(--teal); font-size: 1.5rem; }.sensor-note span { color: var(--muted); display: flex; flex-direction: column; font-size: .76rem; }.sensor-note strong { color: var(--ink); font-size: .9rem; }

.features { background: var(--navy); color: white; position: relative; }
.features::before { color: rgba(255,255,255,.025); content: "05"; font-family: "Manrope"; font-size: 26rem; font-weight: 800; line-height: 1; position: absolute; right: -30px; top: -30px; }
.features h2, .features p { color: white; }
.features h2 em { color: #72b8e8; }
.features .row.mb-5 p { opacity: .72; }
.feature-card { background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.13); border-radius: 0; height: 100%; min-height: 235px; padding: 24px; position: relative; transition: .3s; }
.feature-card:hover { background: var(--teal); transform: translateY(-8px); }
.feature-card span { color: rgba(255,255,255,.45); font-family: "Manrope"; font-size: .8rem; position: absolute; right: 20px; top: 18px; }
.feature-card i { color: #72b8e8; display: block; font-size: 2rem; margin: 42px 0 24px; }
.features .col-lg:nth-child(even) .feature-card { transform: translateY(24px); }
.features .col-lg:nth-child(even) .feature-card:hover { transform: translateY(16px); }
.feature-card:hover i { color: white; }
.feature-card h3 { font-size: 1.1rem; line-height: 1.35; }

.app-section { background: #f4f8fb; overflow: hidden; }
.app-list { display: grid; gap: 20px; }
.app-list > div { align-items: center; display: flex; gap: 16px; }
.app-list i { align-items: center; background: white; border-radius: 11px; box-shadow: 0 8px 24px rgba(16,44,57,.07); color: var(--teal); display: flex; flex: 0 0 48px; font-size: 1.25rem; height: 48px; justify-content: center; }
.app-list span { color: var(--muted); display: flex; flex-direction: column; font-size: .86rem; }.app-list strong { color: var(--ink); font-size: 1rem; }
.phone-scene { min-height: 590px; position: relative; }
.phone-scene::before { background: var(--pale); border: 1px solid #d4e5f2; border-radius: 45% 55% 64% 36% / 40% 43% 57% 60%; content: ""; height: 520px; left: 50%; position: absolute; top: 30px; transform: translateX(-50%) rotate(-7deg); width: 520px; }
.phone { background: #112a35; border: 7px solid #112a35; border-radius: 42px; box-shadow: 0 30px 60px rgba(16,44,57,.25); display: inline-block; height: 570px; overflow: hidden; position: relative; transform: rotate(3deg); width: 267px; z-index: 2; }
.phone img { height: 100%; object-fit: cover; width: 100%; }
.phone-speaker { background: #112a35; border-radius: 0 0 14px 14px; height: 22px; left: 50%; position: absolute; top: 0; transform: translateX(-50%); width: 105px; z-index: 2; }
.floating-card { align-items: center; background: white; border-radius: 12px; box-shadow: 0 15px 45px rgba(16,44,57,.14); display: flex; gap: 12px; padding: 14px 17px; position: absolute; text-align: left; z-index: 3; }
.floating-card i { color: var(--teal); font-size: 1.35rem; }.floating-card span { color: var(--muted); display: flex; flex-direction: column; font-size: .72rem; }.floating-card strong { color: var(--ink); font-size: .88rem; }
.alert-card { left: 4%; top: 135px; }.temp-card { bottom: 90px; right: 0; }

.contact-section { background: white; }
.contact-panel { background: linear-gradient(135deg, #075ca8, #003f7d); border-radius: 3px 60px 3px 60px; color: white; overflow: hidden; padding: 70px; position: relative; }
.contact-panel::after { border: 1px solid rgba(255,255,255,.15); border-radius: 50%; content: ""; height: 500px; position: absolute; right: -270px; top: -220px; width: 500px; }
.contact-panel h2, .contact-panel p { color: white; }
.contact-link { color: white; display: block; margin-top: 12px; text-decoration: none; }.contact-link i { margin-right: 10px; }
.contact-form { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); border-radius: 18px; padding: 28px; position: relative; z-index: 2; }
.contact-form label { font-size: .8rem; font-weight: 700; }
.contact-form .form-control { background: rgba(255,255,255,.95); border: 0; border-radius: 8px; min-height: 50px; }
.form-message { color: white; font-size: .85rem; }

footer { background: #f1f6fa; border-top: 1px solid var(--line); color: var(--muted); padding: 28px 0; }
footer img { height: 48px; }
footer p { font-size: .82rem; }
.footer-links { display: flex; gap: 22px; }.footer-links a { color: var(--ink); font-size: .84rem; font-weight: 600; text-decoration: none; }

@media (max-width: 991px) {
  #mainNav .navbar-collapse { background: white; padding: 15px 0 22px; }
  .hero { min-height: 700px; }
  .hero-shade { background: rgba(245,249,252,.9); }
  .section-space { padding: 80px 0; }
  .product-visual { height: 460px; }
  .feature-card { min-height: 190px; }
  .contact-panel { padding: 45px; }
}
@media (max-width: 575px) {
  #mainNav { min-height: 72px; } #mainNav .navbar-brand img { height: 49px; }
  .hero { min-height: 680px; padding-top: 100px; }
  .hero h1 { font-size: 2.8rem; }
  .benefit-strip { padding-top: 18px; }
  .product-visual { height: 355px; }
  .sensor-note { bottom: 10px; }
  .phone-scene { min-height: 560px; transform: scale(.86); margin: -45px -30px; }
  .phone-scene::before { height: 420px; width: 420px; }
  .alert-card { left: -2%; }.temp-card { right: -4%; }
  .contact-panel { border-radius: 18px; padding: 35px 22px; }
}