:root {
  --accent: linear-gradient(45deg, #f8981d, #ff6f61);
  --accent-dark: #e07b00;
  --bg: #f0f4f8;
  --muted: #6b7280;
  --maxw: 1200px;
}

* { box-sizing: border-box }
body { font-family: 'Roboto', system-ui, -apple-system, 'Segoe UI', 'Helvetica Neue', Arial; line-height: 1.6; background: var(--bg); color: #1f2937; margin: 0; font-size: 1.05rem; }
.container { width: 90%; max-width: var(--maxw); margin: 0 auto }

/* Header */
.header { position: fixed; left: 0; right: 0; top: 0; z-index: 50; transition: all .25s ease; padding: 1.2rem 0; background: rgba(15, 23, 42, 0.9); }
.header-inner { display: flex; align-items: center; justify-content: flex-start; }
.logo { height: 50px; margin-right: 2.5rem; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1)); }

/* nav */
.main-nav { display: flex; gap: 1.5rem; align-items: center; margin-left: auto; }
.main-nav a { color: #fff; text-decoration: none; font-family: 'Roboto', sans-serif; font-weight: 700; padding: .4rem .6rem; border-radius: 6px; transition: all .2s ease; }
.main-nav a:hover { background: rgba(255,255,255,0.1); }
.main-nav a.cta { background: transparent; border: 2px solid rgba(255,255,255,0.2); margin-left: 1rem; }

/* Mobile menu */
.menu-toggle { display: none; background: transparent; border: 0; color: #fff; font-size: 1.8rem; }

/* Hero */
.hero { min-height: 45vh; display: flex; align-items: center; justify-content: center; padding: 3.5rem 0; position: relative; overflow: hidden; background: linear-gradient(135deg, #0f1724, #1e3a8a); color: #fff; }
.hero-shape { position: absolute; right: -15%; top: -5%; width: 40vmax; height: 40vmax; background: radial-gradient(circle at 30% 30%, rgba(248,152,29,0.2), transparent 25%), linear-gradient(135deg, rgba(255,255,255,0.05), rgba(0,0,0,0)); transform: rotate(20deg); filter: blur(50px); opacity: 1; }
.hero-content { text-align: center; max-width: 800px; padding: 2rem 0; }
.hero h1 { font-family: 'Roboto', sans-serif; font-size: clamp(2.5rem, 5vw, 3.8rem); font-weight: 700; line-height: 1.1; color: #ffffff; text-shadow: 0 2px 4px rgba(0,0,0,0.2); margin: 0 0 1rem; }
.lead { font-family: 'Roboto', sans-serif; color: #e5e7eb; margin-bottom: 1.5rem; font-size: 1.2rem; font-weight: 400; }

/* Buttons *//* Hero */
.hero { min-height: 45vh; display: flex; align-items: center; justify-content: center; padding: 3.5rem 0; position: relative; overflow: hidden; background: linear-gradient(135deg, #0f1724, #1e3a8a); color: #fff; }
.hero-shape { position: absolute; right: -15%; top: -5%; width: 40vmax; height: 40vmax; background: radial-gradient(circle at 30% 30%, rgba(248,152,29,0.2), transparent 25%), linear-gradient(135deg, rgba(255,255,255,0.05), rgba(0,0,0,0)); transform: rotate(20deg); filter: blur(50px); opacity: 1; }
.hero-content { text-align: center; max-width: 800px; padding: 2rem 0; }
.hero h1 { font-family: 'Roboto', sans-serif; font-size: clamp(2.5rem, 5vw, 3.8rem); font-weight: 700; line-height: 1.1; color: #ffffff; text-shadow: 0 2px 4px rgba(0,0,0,0.2); margin: 0 0 1rem; }
.lead { font-family: 'Roboto', sans-serif; color: #e5e7eb; margin-bottom: 1.5rem; font-size: 1.2rem; font-weight: 400; }
.hero-actions { display: flex; justify-content: center; gap: 25px }
.btn { display: inline-block; border-radius: 10px; padding: .9rem 1.4rem; font-family: 'Roboto', sans-serif; font-weight: 700; text-decoration: none; transition: all .3s ease; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 10px 30px rgba(248,152,29,0.3); }
.btn-primary:hover { transform: translateY(-4px); box-shadow: 0 15px 40px rgba(248,152,29,0.4); }
.btn-ghost { background: transparent; border: 2px solid rgba(255,255,255,0.2); color: #fff; padding: .8rem 1.2rem; border-radius: 10px; }
.btn-ghost:hover { background: rgba(255,255,255,0.1); }

/* Sections */
.section { padding: 6rem 0; background: transparent }
.section h2 { font-family: 'Roboto', sans-serif; text-align: center; font-size: 2rem; font-weight: 700; margin-bottom: .75rem; color: #f8981d; text-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.section .section-intro { font-family: 'Roboto', sans-serif; text-align: center; color: var(--muted); margin-bottom: 2.5rem; font-size: 1.1rem; max-width: 700px; margin-left: auto; margin-right: auto; }

/* Grid & cards */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem }
.card { background: #ffffff; padding: 2rem; border-radius: 15px; box-shadow: 0 8px 30px rgba(15,23,36,0.1); transition: all .3s ease; }
.card:hover { transform: translateY(-10px); box-shadow: 0 20px 50px rgba(15,23,36,0.15); }
.card-item { font-size: 2rem; margin-bottom: 1rem; }
.card h3 { font-family: 'Roboto', sans-serif; font-size: 1.5rem; font-weight: 700; color: #1e3a8a; margin-bottom: .5rem; }
.card p { font-family: 'Roboto', sans-serif; color: #4b5563; font-size: 1rem; line-height: 1.6; }

/* Clients */
.client-marquee { overflow: hidden; height: 230px; position: relative; }
.client-grid { display: flex; gap: 1.5rem; white-space: nowrap; animation: marquee 25s linear infinite; }
.client-item { background: #fff; border-radius: 15px; overflow: hidden; display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 35px rgba(12,20,28,0.08); transition: all .3s ease; min-width: 230px; }
.client-logo { max-width: 190px; max-height: 130px; height: auto; padding: 1.2rem; object-fit: contain; transition: all .3s ease; }
.client-item:hover { transform: translateY(-10px); box-shadow: 0 20px 50px rgba(15,23,36,0.12); }
.client-logo:hover { transform: scale(1.05); }

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center }
.about-image { height: 320px; border-radius: 15px; background: linear-gradient(135deg, #fff3ea, #ffe4d6); box-shadow: 0 10px 35px rgba(12,20,28,0.08); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 380px; gap: 2.5rem; align-items: start }
.contact-form label { font-family: 'Roboto', sans-serif; display: block; margin-bottom: 1rem; }
.contact-form span { font-family: 'Roboto', sans-serif; display: block; font-weight: 700; margin-bottom: .5rem; color: #1e3a8a; }
.contact-form input, .contact-form textarea { width: 100%; padding: .9rem; border-radius: 10px; border: 1px solid #e5e7eb; background: #fff; font-family: 'Roboto', sans-serif; font-size: 1rem; transition: all .2s ease; }
.contact-form input:focus, .contact-form textarea:focus { border-color: #f8981d; outline: none; box-shadow: 0 0 0 3px rgba(248,152,29,0.1); }
.contact-info h3 { font-family: 'Roboto', sans-serif; font-weight: 700; margin-top: 0; color: #1e3a8a; }
.contact-info p { font-family: 'Roboto', sans-serif; color: #4b5563; line-height: 1.6; }

/* Footer */
.site-footer { background: #0f172a; color: #9ca3af; padding: 2.5rem 0; margin-top: 4rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-inner div { font-family: 'Roboto', sans-serif; font-size: 0.9rem; }
.footer-inner a { color: #9ca3af; text-decoration: none; }
.footer-inner a:hover { color: #f8981d; }

/* Floating contact */
.contact-float { position: fixed; right: 1.5rem; bottom: 1.5rem; background: var(--accent); color: #fff; border: 0; border-radius: 999px; padding: 1rem 1.2rem; box-shadow: 0 12px 40px rgba(0,0,0,0.2); cursor: pointer; font-family: 'Roboto', sans-serif; font-weight: 700; transition: all .3s ease; }
.contact-float:hover { transform: scale(1.1); box-shadow: 0 15px 50px rgba(0,0,0,0.25); }

/* Responsive */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; text-align: center }
  .contact-grid { grid-template-columns: 1fr }
  .hero-content { text-align: center }
  .main-nav { display: none }
  .menu-toggle { display: block }
  .header { padding: .8rem 0 }
  .header-inner { justify-content: flex-start; }
  .main-nav a.cta { margin-left: 1.2rem; }
  .client-marquee { height: 170px; }
  .client-grid { animation: marquee 20s linear infinite; gap: 1.2rem; }
  .client-logo { max-width: 150px; max-height: 110px; }
  .client-item { min-width: 190px; }
  .hero h1 { font-size: clamp(2rem, 6vw, 3.2rem); }
  .section h2 { font-size: 1.8rem; }
}

/* Header state when scrolled */
.header.scrolled { background: linear-gradient(180deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.9)); box-shadow: 0 8px 20px rgba(2,6,23,0.6); padding: .8rem 0 }
.header.scrolled .main-nav a { color: #fff; font-family: 'Roboto', sans-serif; }