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

:root {
  --navy: #0D1F3C;
  --navy-mid: #1A365D;
  --navy-card: #162844;
  --navy-light: #1E3A5F;
  --gold: #C9A84C;
  --gold-dark: #A88A3D;
  --gold-light: #E2C068;
  --text: #F0F4FF;
  --muted: #94A3B8;
  --border: rgba(201,168,76,0.2);
  --border-subtle: rgba(255,255,255,0.07);
  --nav-height: 72px;
  --vh: 1vh;
}

html { scroll-behavior: smooth; scroll-padding-top: 0; scroll-snap-type: none; }
    body { font-family: 'Inter', sans-serif; background: linear-gradient(180deg, var(--navy) 0%, var(--navy-mid) 50%, var(--navy) 100%); color: var(--text); overflow-x: hidden; -webkit-text-size-adjust: 100%; }
/* ─── NAV ─────────────────────────────────── */
nav {
  position: fixed; top: 0; width: 100%; z-index: 1000;
  background: #0D1F3C; backdrop-filter: none;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 48px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
}
.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo-img { height: 60px; width: auto; display: block; object-fit: contain; }
.nav-logo span { color: rgba(255,255,255,0.6); font-weight: 400; }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.78rem; letter-spacing: 1.5px; text-transform: uppercase; transition: color 0.3s; font-weight: 500; position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -6px; left: 0; width: 0; height: 2px; background: var(--gold); transition: width 0.3s ease; }
.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--gold); }
.nav-links a.active::after { width: 100%; }

/* Hamburger */
.nav-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.nav-hamburger span { display: block; width: 24px; height: 2px; background: var(--gold); transition: all 0.3s; }
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed; top: var(--nav-height); left: 0; right: 0; z-index: 999;
  background: rgba(13,31,60,0.98); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); padding: 24px 32px;
  flex-direction: column; gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { color: var(--muted); text-decoration: none; font-size: 0.9rem; letter-spacing: 1.5px; text-transform: uppercase; padding: 14px 0; border-bottom: 1px solid var(--border-subtle); font-weight: 500; transition: color 0.3s; }
.mobile-menu a:hover { color: var(--gold); }

/* ─── HERO ────────────────────────────────── */
#hero {
  min-height: 100vh;
  min-height: 100svh;
  background: linear-gradient(135deg, #0A1628 0%, #0D1F3C 50%, #0F2444 100%);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  padding: clamp(100px, 15vw, 140px) clamp(40px, 8vw, 120px) clamp(60px, 8vw, 80px);
  border-bottom: 1px solid var(--border);
}
#hero::before {
  content: ''; position: absolute; inset: 0;
  background: url('images/hero-bg.jpg') center/cover no-repeat;
  opacity: 0.06;
}
#hero::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(201,168,76,0.06) 0%, transparent 70%);
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 5vw, 70px); align-items: center; max-width: 1240px; width: 100%; position: relative; z-index: 1; margin: 0 auto; }
.hero-eyebrow { color: var(--gold); font-size: clamp(0.65rem, 1.2vw, 0.72rem); letter-spacing: 4px; text-transform: uppercase; margin-bottom: 20px; font-weight: 600; }
.hero-title { font-family: 'Playfair Display', serif; font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.2; color: #fff; margin-bottom: 28px; font-weight: 700; letter-spacing: -1px; }

.hero-sub { color: var(--muted); font-size: clamp(0.9rem, 1.5vw, 1.05rem); line-height: 1.8; margin-bottom: 40px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-actions a { min-width: 160px; text-align: center; }
.hero-actions .btn-primary,
.hero-actions .btn-outline {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.hero-actions .btn-primary { margin-top: 0; }

.btn-primary { background: var(--gold); color: #0D1F3C; padding: 16px 32px; font-weight: 700; font-size: 0.78rem; letter-spacing: 1.5px; text-transform: uppercase; border: none; cursor: pointer; transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); box-shadow: 0 6px 24px rgba(201,168,76,0.35), 0 2px 8px rgba(0,0,0,0.2); border-radius: 2px; position: relative; overflow: hidden; margin-top: 12px; text-decoration: none; display: inline-block; }
.btn-primary:focus { outline: 2px solid var(--gold); outline-offset: 2px; }
.btn-primary:hover { background: var(--gold-light); transform: translateY(-5px) scale(1.02); box-shadow: 0 14px 40px rgba(201,168,76,0.5), 0 4px 12px rgba(0,0,0,0.3); }
.btn-primary:active { transform: translateY(-2px) scale(0.98); }
.btn-outline { background: transparent; color: var(--gold); padding: 16px 32px; font-weight: 600; font-size: 0.78rem; letter-spacing: 1.5px; text-transform: uppercase; border: 2px solid var(--gold); cursor: pointer; transition: all 0.3s ease; border-radius: 2px; text-decoration: none; display: inline-block; }
.btn-outline:hover { background: rgba(201,168,76,0.15); border-color: var(--gold-light); color: var(--gold-light); transform: translateX(4px); }

.hero-brand-card { background: var(--navy-card); border: 1px solid var(--border); padding: clamp(28px, 3.5vw, 40px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
.brand-row { display: flex; gap: 24px; margin-bottom: 28px; align-items: flex-start; padding-bottom: 28px; border-bottom: 1px solid var(--border-subtle); }
.brand-row:last-of-type { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
    .brand-letter { font-family: 'Playfair Display', serif; font-size: clamp(1.5rem, 2.5vw, 2.2rem); color: var(--gold); font-weight: 700; }
.brand-text h4 { font-size: 0.7rem; color: #fff; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 8px; font-weight: 700; }
.brand-text p { color: var(--muted); font-size: 0.88rem; line-height: 1.6; }

/* ─── SECTION BASE ────────────────────────── */
section { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding: clamp(60px, 8vw, 110px) clamp(20px, 5vw, 80px); scroll-margin-top: 0; }
#services { height: auto; min-height: 100vh; }
#problem { padding: clamp(40px, 5vw, 72px) clamp(20px, 5vw, 80px); }
.section-inner { max-width: 1380px; margin: 0 auto; width: 100%; }
.section-label { color: var(--gold); font-size: 0.68rem; letter-spacing: 4px; text-transform: uppercase; margin-bottom: 16px; font-weight: 600; }
.section-title { font-family: 'Playfair Display', serif; font-size: clamp(1.8rem, 4vw, 3rem); color: #fff; line-height: 1.2; margin-bottom: 24px; font-weight: 700; letter-spacing: -0.8px; }
.section-sub { color: var(--muted); font-size: clamp(0.88rem, 1.5vw, 1rem); line-height: 1.8; max-width: 660px; }
.divider { width: 72px; height: 3px; background: linear-gradient(90deg, var(--gold) 0%, var(--gold-dark) 100%); margin: 24px 0; border-radius: 1px; }

.approach-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 32px; }

/* ─── WHO WE ARE ──────────────────────────── */
#about { background: var(--navy-card); border-bottom: 1px solid var(--border-subtle); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.about-img { position: relative; height: 100%; }
..about-img img { width: 100%; max-height: 520px; object-fit: cover; object-position: center top; display: block; border: 2px solid var(--border); box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.about-img-caption { position: absolute; bottom: 0; left: 0; right: 0; background: var(--gold); padding: 20px 28px; color: #0D1F3C; font-size: 0.85rem; font-weight: 700; letter-spacing: 0.5px; line-height: 1.5; }
.pillars { margin-top: 32px; display: flex; flex-direction: column; gap: 16px; }
.pillar { display: flex; gap: 16px; align-items: flex-start; padding: 20px 22px; background: var(--navy); border-left: 4px solid var(--gold); box-shadow: 0 4px 12px rgba(0,0,0,0.2); transition: all 0.3s ease; }
.pillar:hover { transform: translateX(6px); border-left-color: var(--gold-light); }
.pillar-icon { width: 44px; height: 44px; background: rgba(201,168,76,0.15); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 1.2rem; color: var(--gold); border-radius: 50%; }
.pillar h4 { color: #fff; font-size: 0.88rem; font-weight: 700; margin-bottom: 4px; letter-spacing: 0.5px; }
.pillar p { color: var(--muted); font-size: 0.82rem; line-height: 1.6; }

/* ─── PROBLEM ─────────────────────────────── */
#problem { background: var(--navy); border-bottom: 1px solid var(--border-subtle); display: flex; align-items: flex-start; min-height: auto; scroll-margin-top: 76px; }
.problem-intro { display: grid; grid-template-columns: 1fr; gap: 18px; margin-bottom: 36px; align-items: start; max-width: 920px; }
.problem-intro img { border: 1px solid var(--border); display: block; width: 100%; height: 100%; min-height: 340px; object-fit: cover; opacity: 0.85; box-shadow: 0 20px 50px rgba(0,0,0,0.3); }
/* Condensed: 2x2 cards compact */
    .problem-cards { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; margin-bottom: 48px; }
    .prob-card { background: var(--navy-light); border: 1px solid var(--border-subtle); padding: 16px; transition: all 0.3s ease; display: flex; gap: 14px; align-items: flex-start; box-shadow: 0 4px 12px rgba(0,0,0,0.2); }
.prob-card:hover { border-color: var(--gold); transform: translateY(-4px); box-shadow: 0 12px 28px rgba(201,168,76,0.2); }
.prob-card-icon { font-size: 1.8rem; flex-shrink: 0; margin-top: 2px; }
.prob-card h3 { color: #fff; font-size: 0.9rem; font-weight: 700; margin-bottom: 8px; letter-spacing: 0.3px; }
.prob-card p { color: var(--muted); font-size: 0.82rem; line-height: 1.65; }
/* Pain points: tighter */
    .pain-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; background: var(--navy); padding: 24px 28px; border-left: 4px solid var(--gold); box-shadow: inset 0 4px 12px rgba(0,0,0,0.2); }
.pain-item { display: flex; gap: 10px; align-items: flex-start; }
.pain-item::before { content: '→'; color: var(--gold); flex-shrink: 0; font-weight: 700; font-size: 0.9rem; margin-top: 1px; }
.pain-item p { color: var(--muted); font-size: 0.82rem; line-height: 1.6; }
.pain-item:last-child:nth-child(odd) { grid-column: 1 / -1; }

    .problem-tagline { text-align: center; margin: 24px 0; padding: 16px; border: 1px solid var(--border); background: linear-gradient(135deg, rgba(201,168,76,0.06) 0%, rgba(201,168,76,0.02) 100%); border-radius: 2px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
    .problem-tagline { color: var(--gold); font-size: 0.95rem; letter-spacing: 0.8px; line-height: 1.7; }
    .step-card { background: var(--navy); border: 1px solid var(--border-subtle); padding: 28px 24px; position: relative; transition: all 0.3s ease; box-shadow: 0 4px 16px rgba(0,0,0,0.2); animation: fadeInUp 0.8s ease-out backwards; }
.step-card:nth-child(1) { animation-delay: 0.1s; }
.step-card:nth-child(2) { animation-delay: 0.2s; }
.step-card:nth-child(3) { animation-delay: 0.3s; }
.step-card:hover { border-color: var(--gold); transform: translateY(-6px); box-shadow: 0 12px 36px rgba(201,168,76,0.2); }
    .step-num { font-family: 'Playfair Display', serif; font-size: 3rem; color: rgba(201,168,76,0.12); font-weight: 700; line-height: 1; margin-bottom: 12px; transition: all 0.3s ease; }
.step-card:hover .step-num { color: rgba(201,168,76,0.25); font-size: 3.5rem; }
.step-icon { font-size: 1.8rem; margin-bottom: 16px; }
.step-card h3 { color: var(--gold); font-size: 0.8rem; letter-spacing: 2.5px; text-transform: uppercase; margin-bottom: 12px; font-weight: 700; }
.step-card p { color: var(--muted); font-size: 0.9rem; line-height: 1.8; }
.approach-tagline { text-align: center; margin-top: 52px; padding: 32px; border: 1px solid var(--border); background: linear-gradient(135deg, rgba(201,168,76,0.06) 0%, rgba(201,168,76,0.02) 100%); border-radius: 2px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.approach-tagline p { color: var(--gold); font-size: 0.95rem; letter-spacing: 0.8px; line-height: 1.7; }
.approach-tagline strong { color: var(--gold-light); font-weight: 700; }

#approach { align-items: flex-start; min-height: auto; scroll-margin-top: 76px; }

/* ─── CAPABILITIES ─────────────────────────── */
#services { background: var(--navy); border-bottom: 1px solid var(--border-subtle); display: block; min-height: auto; padding: clamp(60px, 8vw, 110px) clamp(20px, 5vw, 80px); scroll-margin-top: 76px; }
/* Card grid layout */
.services-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 28px; margin-top: 40px; width: 100%; }
.service-row { display: flex; flex-direction: column; gap: 16px; padding: 32px; border: 1px solid var(--border-subtle); background: var(--navy-card); position: relative; animation: fadeInUp 0.8s ease-out backwards; transition: all 0.3s ease; box-shadow: 0 4px 12px rgba(0,0,0,0.2); }
.service-row:nth-child(1) { animation-delay: 0.1s; }
.service-row:nth-child(2) { animation-delay: 0.2s; }
.service-row:nth-child(3) { animation-delay: 0.3s; }
.service-row:nth-child(4) { animation-delay: 0.4s; }
.service-row:nth-child(5) { animation-delay: 0.5s; }
.service-row::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--gold) 0%, var(--gold-dark) 100%); width: 0; transition: width 0.3s ease; }
.service-row:hover { transform: translateY(-6px); border-color: var(--gold); box-shadow: 0 12px 32px rgba(201,168,76,0.2); }
.service-row:hover::before { width: 100%; }
.service-num { font-family: 'Playfair Display', serif; font-size: 2.2rem; color: rgba(201,168,76,0.2); font-weight: 700; }
.service-title { color: var(--gold); font-size: 0.95rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 8px; }
.service-desc { color: var(--muted); font-size: 0.88rem; line-height: 1.75; }
.sensor-banner { margin-top: 36px; padding: 32px 36px; background: var(--navy); border-left: 4px solid var(--gold); display: flex; gap: 24px; align-items: flex-start; box-shadow: 0 6px 16px rgba(0,0,0,0.2); }
.sensor-banner blockquote { font-family: 'Playfair Display', serif; font-size: 1.3rem; color: var(--gold); font-style: italic; margin-bottom: 12px; font-weight: 600; }
.sensor-banner p { color: var(--muted); font-size: 0.88rem; line-height: 1.8; }

/* ─── VALUE PROP ──────────────────────────── */
#value { background: var(--navy-card); border-bottom: 1px solid var(--border-subtle); display: flex; align-items: center; scroll-margin-top: 76px; }
.value-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: stretch; height: 100%; }
.value-img { position: relative; width: 100%; justify-self: stretch; align-self: stretch; min-height: 100%; }
.value-img img { width: 100%; height: 100%; min-height: 420px; max-height: none; object-fit: cover; display: block; border: 2px solid var(--border); box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.value-pillars { display: flex; flex-direction: column; gap: 18px; margin-top: 32px; }
.value-pillar { padding: 24px 26px; background: var(--navy); border-left: 4px solid var(--gold); box-shadow: 0 4px 12px rgba(0,0,0,0.2); transition: all 0.3s ease; }
.value-pillar:hover { transform: translateX(6px); border-left-color: var(--gold-light); }
.value-pillar h4 { color: var(--gold); font-size: 0.75rem; letter-spacing: 2.2px; text-transform: uppercase; margin-bottom: 12px; font-weight: 700; }
.value-pillar p { color: var(--muted); font-size: 0.87rem; line-height: 1.7; }
.retained-box { grid-column: 1 / -1; margin: 10px 0 0; padding: 16px; border: 1px solid var(--border); background: linear-gradient(135deg, rgba(201,168,76,0.06) 0%, rgba(201,168,76,0.02) 100%); border-radius: 2px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.retained-box p { color: var(--gold); font-size: 0.95rem; letter-spacing: 0.8px; line-height: 1.7; font-style: normal; font-weight: 400; text-align: center; }

/* ─── CONTACT ─────────────────────────────── */
#contact {
  background: var(--navy);
  background-image: radial-gradient(ellipse at 50% 100%, rgba(201,168,76,0.08) 0%, transparent 60%);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
}
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 60px); align-items: stretch; }
.contact-info-col { display: flex; flex-direction: column; gap: 24px; justify-content: flex-start; }
.contact-info-col p { color: var(--muted); font-size: 0.92rem; line-height: 1.8; }
.contact-form { display: flex; flex-direction: column; gap: 16px; background: var(--navy-card); border: 1px solid var(--border); border-left: 4px solid var(--gold); padding: 32px; box-shadow: 0 6px 16px rgba(0,0,0,0.2); }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { color: var(--gold); font-size: 0.7rem; letter-spacing: 2.2px; text-transform: uppercase; font-weight: 700; }
.form-group input, .form-group textarea { background: var(--navy); border: 2px solid var(--border-subtle); color: var(--text); padding: 14px 18px; font-size: 0.88rem; font-family: 'Inter', sans-serif; outline: none; transition: all 0.3s ease; resize: none; width: 100%; box-shadow: inset 0 2px 8px rgba(0,0,0,0.2); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--gold); box-shadow: inset 0 2px 8px rgba(0,0,0,0.2), 0 0 16px rgba(201,168,76,0.3); background: var(--navy-light); }
.form-group input:valid, .form-group textarea:valid { border-color: rgba(76, 175, 80, 0.6); box-shadow: inset 0 2px 8px rgba(0,0,0,0.2), 0 0 12px rgba(76, 175, 80, 0.2); }
.form-group input:invalid:not(:placeholder-shown), .form-group textarea:invalid:not(:placeholder-shown) { border-color: rgba(244, 67, 54, 0.6); box-shadow: inset 0 2px 8px rgba(0,0,0,0.2), 0 0 12px rgba(244, 67, 54, 0.2); }
.company-box { background: var(--navy-card); border: 1px solid var(--border); padding: 28px 32px; display: flex; flex-direction: column; gap: 20px; box-shadow: 0 6px 16px rgba(0,0,0,0.2); border-left: 4px solid var(--gold); }
.company-item { display: flex; flex-direction: column; gap: 4px; }
.company-item .lbl { color: var(--gold); font-size: 0.68rem; letter-spacing: 2.5px; text-transform: uppercase; font-weight: 700; }
.company-item div, .company-item a { color: var(--muted); font-size: 0.9rem; line-height: 1.6; }

/* ─── FOOTER ──────────────────────────────── */
footer { background: #080F1E; padding: 32px clamp(20px, 4vw, 60px); display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border); flex-wrap: wrap; gap: 16px; }
.footer-logo { font-family: 'Playfair Display', serif; color: var(--gold); font-size: 1.15rem; font-weight: 700; letter-spacing: 2.5px; }
.footer-tagline { color: rgba(255,255,255,0.5); font-size: 0.82rem; letter-spacing: 1px; font-style: italic; }
.footer-license { color: rgba(255,255,255,0.3); font-size: 0.72rem; }

@media (max-width: 1024px) {
  nav { padding: 8px 28px; }
  .nav-logo-img { height: 52px; }
  .nav-links { gap: 22px; }
  .hero-grid { gap: 40px; }
  .about-grid, .value-grid, .contact-grid { gap: 40px; }
  .services-list { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .approach-steps { gap: 20px; }
  .problem-cards { gap: 16px; }
}

@media (max-width: 860px) {
  html { scroll-padding-top: 0; }
  nav { padding: 6px 24px; }
  .nav-logo-img { height: 52px; }
  .nav-hamburger { display: flex; }
  .nav-links { display: none; }

  section { height: auto; min-height: calc(var(--vh) * 100); min-height: 100svh; padding: clamp(48px, 7vw, 80px) clamp(16px, 4vw, 40px); }
  #hero { min-height: calc(var(--vh) * 100); min-height: 100svh; padding: calc(var(--nav-height) + 28px) 24px 60px; }
  #services { min-height: auto; }

  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: clamp(2rem, 7vw, 3rem); }
  .hero-sub { max-width: 100%; }

  .about-grid { grid-template-columns: 1fr; }
  .about-img img { min-height: 300px; }

  .problem-intro { grid-template-columns: 1fr; }
  .problem-intro img { min-height: 220px; max-height: 280px; }
  .problem-cards { grid-template-columns: 1fr; }
  .pain-list { grid-template-columns: 1fr; padding: 24px 28px; }

  .approach-steps { grid-template-columns: 1fr; }

  .services-list { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .service-row { padding: 24px; }

  .value-grid { grid-template-columns: 1fr; }
  .value-img img { min-height: 280px; max-height: 340px; }

  .contact-grid { grid-template-columns: 1fr; }

  footer { flex-direction: column; text-align: center; gap: 10px; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.prob-card { animation: fadeInUp 0.8s ease-out backwards; }
.prob-card:nth-child(1) { animation-delay: 0.1s; }
.prob-card:nth-child(2) { animation-delay: 0.2s; }
.prob-card:nth-child(3) { animation-delay: 0.3s; }
.prob-card:nth-child(4) { animation-delay: 0.4s; }

.pillar { animation: fadeInUp 0.8s ease-out backwards; }
.pillar:nth-child(1) { animation-delay: 0.1s; }
.pillar:nth-child(2) { animation-delay: 0.2s; }
.pillar:nth-child(3) { animation-delay: 0.3s; }

.value-pillar { animation: fadeInUp 0.8s ease-out backwards; }
.value-pillar:nth-child(1) { animation-delay: 0.1s; }
.value-pillar:nth-child(2) { animation-delay: 0.2s; }
.value-pillar:nth-child(3) { animation-delay: 0.3s; }

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; text-align: center; }
  .pain-list { padding: 18px; gap: 8px; }
  .sensor-banner { flex-direction: column; gap: 16px; }
  .approach-steps { gap: 16px; }
  .step-card { padding: 28px 20px; }
  .services-list { grid-template-columns: 1fr; gap: 12px; }
}