/* styles.css — Modern, responsive, accessible UI for [Company Name]
   Replace color variables at the top with your brand colors.
   Aim: Performance, accessible typography, glassmorphism accents.
*/

:root{
  /* Replace these with your brand tokens */
  --color-primary: #0166FF; /* Replace with [Primary Color] */
  --color-secondary: #0EA5A4; /* Replace with [Secondary Color] */
  --color-accent: #7C3AED; /* Replace with [Accent Color] */

  --bg: #0f1724;
  --card-bg: rgba(255,255,255,0.04);
  --glass: rgba(255,255,255,0.06);
  --muted: rgba(255,255,255,0.65);
  --radius: 12px;

  --ff-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  --container: 1100px;
  --ease: cubic-bezier(.2,.9,.3,1);
  --shadow-soft: 0 8px 30px rgba(2,6,23,0.6);
}

/* Reset & base */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--ff-sans);
  color:#0b1320;
  background:linear-gradient(180deg,#f8fafc 0%, #ffffff 100%);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.45;
  font-size:16px;
}

/* Container */
.container{
  max-width:var(--container);
  margin:0 auto;
  padding:1.25rem;
}

/* Accessibility helpers */
.visually-hidden{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  backdrop-filter: blur(6px);
  background:linear-gradient(180deg, rgba(255,255,255,0.7), rgba(255,255,255,0.6));
  border-bottom:1px solid rgba(15,23,36,0.04);
  transition:box-shadow .22s var(--ease);
}
.nav-wrap{display:flex;align-items:center;gap:1rem;justify-content:space-between}
.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:inherit}
.brand-name{font-weight:700}
.logo{display:block}

/* Nav */
.main-nav{display:block}
.nav-list{list-style:none;display:flex;gap:1rem;margin:0;padding:0;align-items:center}
.nav-link{color:inherit;text-decoration:none;padding:.5rem .25rem;border-radius:8px;transition:background .16s var(--ease)}
.nav-link:hover{background:rgba(2,6,23,0.04)}
.nav-actions{display:flex;align-items:center;gap:.5rem}

/* Mobile drawer */
.mobile-menu-btn{display:none;background:none;border:0;padding:.5rem;border-radius:8px}
.hamburger{width:22px;height:2px;background:currentColor;display:block;position:relative}
.hamburger::after,.hamburger::before{content:"";position:absolute;left:0;height:2px;width:22px;background:currentColor;display:block}
.hamburger::before{top:-6px}
.hamburger::after{top:6px}
.mobile-drawer{position:fixed;inset:0;background:rgba(11,17,28,0.6);display:none;padding:2rem;z-index:120}
.drawer-inner{background:white;border-radius:16px;padding:1.25rem;max-width:420px;margin:2rem}
.drawer-close{background:none;border:0;font-size:1.8rem;position:absolute;right:1rem;top:1rem}

/* Hero */
.hero{padding:3.5rem 0}
.hero-grid{display:grid;grid-template-columns:1fr 520px;gap:2rem;align-items:center}
.hero-title{font-size:2.4rem;margin:.25rem 0 1rem;line-height:1.03}
.lead{color:var(--muted);font-size:1.05rem}

/* Cards & grids */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem;margin-top:1.25rem}
.card{background:linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,255,255,0.85));padding:1rem;border-radius:14px;box-shadow:var(--shadow-soft)}
.service-card .card-icon{width:48px;height:48px;margin-bottom:.5rem}

/* Features */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}

/* Portfolio */
.portfolio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem}
.project{position:relative;border-radius:12px;overflow:hidden}
.project img{width:100%;height:200px;object-fit:cover;display:block}

/* Testimonials */
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}

/* FAQ, timeline */
.faq-grid details{background:var(--card-bg);padding:1rem;border-radius:12px;margin-bottom:.5rem}

/* Footer */
.site-footer{background:linear-gradient(180deg,#071127,#0b1530);color:#fff;padding:2rem 0;margin-top:2rem}
.footer-grid{display:flex;gap:1rem;align-items:flex-start;justify-content:space-between;flex-wrap:wrap}
.footer-links{list-style:none;padding:0;margin:0;display:flex;gap:1rem}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:1rem;border-top:1px solid rgba(255,255,255,0.04)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1rem;border-radius:10px;border:0;cursor:pointer;text-decoration:none}
.btn-primary{background:linear-gradient(90deg,var(--color-primary),var(--color-accent));color:#fff;box-shadow:0 10px 30px rgba(12,40,100,0.12)}
.btn-accent{background:var(--color-accent);color:#fff}
.btn-outline{background:transparent;border:1px solid rgba(15,23,36,0.06)}
.btn-ghost{background:transparent;border:0;color:var(--muted)}
.btn-giant{padding:1rem 1.5rem;font-size:1.05rem}

/* Utility */
.center{text-align:center}
.two-col{display:grid;grid-template-columns:1fr 420px;gap:1.25rem;align-items:start}
.glass-card{background:var(--glass);padding:1rem;border-radius:14px;backdrop-filter: blur(6px)}
.muted{color:var(--muted)}
.small{font-size:.9rem}

/* Back to top */
.back-to-top{position:fixed;right:1rem;bottom:1rem;background:var(--color-primary);color:#fff;border-radius:8px;border:0;padding:.6rem;display:none;z-index:100}

/* Responsive */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:1rem}
  .two-col{grid-template-columns:1fr}
  .nav-list{display:none}
  .mobile-menu-btn{display:inline-block}
  .mobile-drawer{display:block}
  .container{padding:1rem}
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none!important}
}