@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=Playfair+Display:wght@700;800&display=swap');

:root {
  --red: #ED3338;
  --red-dark: #c42a2e;
  --grey: #606264;
  --charcoal: #373536;
  --off-white: #f8f7f5;
  --white: #ffffff;
  --light-grey: #e8e6e3;
  --warm-bg: #faf9f7;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  color: var(--charcoal);
  line-height: 1.7;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Playfair Display', serif; font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); margin-bottom: 0.6rem; }
p { margin-bottom: 1rem; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* Buttons */
.btn {
  display: inline-block; padding: 0.85rem 2rem; font-family: 'DM Sans', sans-serif;
  font-weight: 700; font-size: 0.95rem; text-decoration: none; border-radius: 3px;
  transition: all 0.3s ease; letter-spacing: 0.02em; cursor: pointer; border: none;
}
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-dark); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.7); }
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }
.btn-outline-dark { background: transparent; color: var(--charcoal); border: 2px solid var(--charcoal); }
.btn-outline-dark:hover { background: var(--charcoal); color: var(--white); }
.btn-white { background: var(--white); color: var(--red); font-weight: 700; }
.btn-white:hover { background: var(--off-white); }
.btn-outline-white { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.6); }
.btn-outline-white:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }

/* Header */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--white); border-bottom: 3px solid var(--red);
  padding: 0.4rem 0; box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
.header-inner { display: flex; justify-content: space-between; align-items: center; height: 90px; }
.logo { display: flex; align-items: center; height: 100%; }
.logo img { height: 100%; max-height: 80px; }
nav { display: flex; gap: 1.2rem; align-items: center; }
nav a { text-decoration: none; color: var(--grey); font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
nav a:hover, nav a.active { color: var(--red); }
.header-phone { color: var(--charcoal); font-weight: 700; font-size: 0.95rem; text-decoration: none; }
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; }
.mobile-nav { display: none; }

/* Red line accent */
.red-line { width: 50px; height: 3px; background: var(--red); margin-bottom: 1.5rem; }

/* Sections */
section { padding: 5rem 0; }
.bg-warm { background: var(--warm-bg); }
.bg-charcoal { background: var(--charcoal); color: var(--white); }

/* Hero */
.hero {
  margin-top: 98px; position: relative; overflow: hidden;
  min-height: 85vh; display: flex; align-items: center;
  background: var(--charcoal);
}
.hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(55,53,54,0.92) 0%, rgba(55,53,54,0.75) 100%),
    url('london.jpg') center/cover no-repeat;
}
.hero-grid {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero .container { position: relative; z-index: 2; }
.hero h1 { color: var(--white); margin-bottom: 1.2rem; max-width: 700px; }
.hero h1 span { color: var(--red); }
.hero-stats { display: flex; gap: 2rem; margin: 1.5rem 0 2rem; flex-wrap: wrap; }
.hero-stat { color: rgba(255,255,255,0.85); font-size: 0.95rem; display: flex; align-items: center; gap: 0.5rem; }
.hero-stat::before { content: ''; width: 8px; height: 8px; background: var(--red); border-radius: 50%; flex-shrink: 0; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Page hero (smaller, for inner pages) */
.page-hero {
  margin-top: 98px; padding: 5rem 0 4rem; position: relative; overflow: hidden;
  background: var(--charcoal);
}
.page-hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(55,53,54,0.93) 0%, rgba(55,53,54,0.8) 100%),
    url('argonite.jpg') center/cover no-repeat;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: var(--white); margin-bottom: 0.5rem; }
.page-hero p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 600px; }
.breadcrumb { margin-bottom: 1rem; }
.breadcrumb a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.85rem; }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,0.4); margin: 0 0.5rem; }

/* Service cards (home page) */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 2rem; }
.service-card {
  background: var(--white); border-radius: 4px; overflow: hidden;
  box-shadow: 0 2px 15px rgba(0,0,0,0.06); transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none; color: var(--charcoal); display: flex; flex-direction: column;
}
.service-card:hover { transform: translateY(-5px); box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.service-card-icon {
  background: var(--charcoal); padding: 2.5rem 2rem; text-align: center;
  font-size: 2.5rem; color: var(--red); position: relative;
}
.service-card-body { padding: 2rem; flex: 1; display: flex; flex-direction: column; }
.service-card-body h3 { font-family: 'Playfair Display', serif; margin-bottom: 0.8rem; }
.service-card-body p { color: var(--grey); font-size: 0.95rem; flex: 1; }
.service-card-link {
  color: var(--red); font-weight: 700; font-size: 0.9rem; text-decoration: none;
  margin-top: 1rem; display: inline-flex; align-items: center; gap: 0.3rem;
}

/* Features grid */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.feature-card {
  background: var(--white); padding: 2rem; border-radius: 4px;
  border-left: 3px solid var(--red); box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(0,0,0,0.08); }
.feature-card h3 { font-family: 'DM Sans', sans-serif; font-weight: 700; font-size: 1rem; }
.feature-card p { font-size: 0.9rem; color: var(--grey); margin-bottom: 0; }

/* Content section (for inner pages) */
.content-section { max-width: 800px; }
.content-section p { font-size: 1.05rem; color: var(--grey); }
.content-section h2 { margin-top: 2rem; }

/* Highlight list */
.highlight-list { list-style: none; margin: 1.5rem 0; padding: 0; }
.highlight-list li { padding: 0.5rem 0 0.5rem 1.5rem; position: relative; color: var(--grey); }
.highlight-list li::before {
  content: ''; position: absolute; left: 0; top: 0.85rem;
  width: 6px; height: 6px; background: var(--red); border-radius: 50%;
}

/* Brands bar */
.brands { font-size: 0.85rem; color: var(--grey); margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--light-grey); }
.brands strong { color: var(--charcoal); }

/* Two column layout */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.two-col img { width: 100%; height: 400px; object-fit: cover; border-radius: 4px; box-shadow: 0 8px 30px rgba(0,0,0,0.1); }

/* Case studies */
.case-studies-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-top: 2rem; }
.case-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 4px; padding: 2rem; }
.case-card h3 { color: var(--white); margin-bottom: 1rem; }
.case-meta { font-size: 0.9rem; color: rgba(255,255,255,0.7); }
.case-meta strong { color: rgba(255,255,255,0.9); }
.case-outcome { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.1); color: var(--red); font-weight: 500; font-size: 0.9rem; }

/* Testimonials */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-top: 2rem; }
.testimonial { background: var(--white); padding: 2rem; border-radius: 4px; box-shadow: 0 2px 12px rgba(0,0,0,0.04); position: relative; }
.testimonial::before { content: '\201C'; font-family: 'Playfair Display', serif; font-size: 4rem; color: var(--red); opacity: 0.2; position: absolute; top: 0.5rem; left: 1rem; line-height: 1; }
.testimonial p { font-style: italic; color: var(--grey); font-size: 0.95rem; position: relative; z-index: 1; }
.testimonial cite { display: block; margin-top: 1rem; font-style: normal; font-weight: 700; font-size: 0.85rem; color: var(--charcoal); }

/* FAQ */
.faq-list { max-width: 700px; margin-top: 2rem; }
.faq-item { border-bottom: 1px solid var(--light-grey); padding: 1.2rem 0; }
.faq-item summary { font-weight: 700; cursor: pointer; color: var(--charcoal); font-size: 1rem; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::after { content: '+'; font-size: 1.4rem; color: var(--red); font-weight: 400; transition: transform 0.2s; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { margin-top: 0.8rem; color: var(--grey); font-size: 0.95rem; margin-bottom: 0; }

/* Areas tags */
.areas-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.areas-tags a, .areas-tags span { background: rgba(237,51,56,0.08); color: var(--charcoal); padding: 0.4rem 1rem; border-radius: 2px; font-size: 0.9rem; font-weight: 500; text-decoration: none; transition: background 0.2s; }
.areas-tags a:hover { background: rgba(237,51,56,0.15); }

/* CTA */
.cta-section {
  background: linear-gradient(135deg, rgba(237,51,56,0.93) 0%, rgba(196,42,46,0.95) 100%),
    url('panel.jpg') center/cover no-repeat;
  color: var(--white); text-align: center; padding: 4rem 0;
}
.cta-section h2 { color: var(--white); max-width: 600px; margin: 0 auto 1rem; }
.cta-section p { opacity: 0.9; max-width: 500px; margin: 0 auto 2rem; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-top: 2rem; }
.contact-item { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.2rem; }
.contact-icon { width: 40px; height: 40px; background: rgba(237,51,56,0.08); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--red); font-size: 1.1rem; }
.contact-item a { color: var(--charcoal); text-decoration: none; font-weight: 500; }
.contact-item a:hover { color: var(--red); }
.contact-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--grey); margin-bottom: 0.2rem; }
.contact-form { background: var(--white); padding: 2rem; border-radius: 4px; box-shadow: 0 2px 12px rgba(0,0,0,0.04); }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 0.3rem; color: var(--charcoal); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 0.75rem; border: 1px solid var(--light-grey); border-radius: 3px;
  font-family: 'DM Sans', sans-serif; font-size: 0.95rem; transition: border-color 0.2s; background: var(--white);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--red); }
.form-group textarea { resize: vertical; min-height: 100px; }

/* Footer */
footer { background: var(--charcoal); color: rgba(255,255,255,0.6); padding: 2.5rem 0; font-size: 0.85rem; border-top: 3px solid var(--red); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-logo img { height: 55px; background: rgba(255,255,255,0.95); padding: 8px 12px; border-radius: 4px; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.85rem; }
.footer-links a:hover { color: var(--white); }

/* WhatsApp */
.whatsapp-float {
  position: fixed; bottom: 1.5rem; right: 1.5rem; width: 42px; height: 42px;
  background: #25D366; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; box-shadow: 0 3px 10px rgba(37,211,102,0.35); z-index: 99;
  transition: transform 0.2s, box-shadow 0.2s; text-decoration: none;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 4px 15px rgba(37,211,102,0.45); }
.whatsapp-float svg { width: 22px; height: 22px; fill: white; }

/* Animations */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.hero h1, .hero-stats, .hero-buttons, .page-hero h1, .page-hero p { animation: fadeUp 0.6s ease-out both; }
.hero-stats, .page-hero p { animation-delay: 0.15s; }
.hero-buttons { animation-delay: 0.3s; }

/* Responsive */
@media (max-width: 768px) {
  nav { display: none; position: fixed; top: 98px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 1rem; border-bottom: 3px solid var(--red); box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
  nav.open { display: flex; }
  .mobile-toggle { display: block; }
  .hero { min-height: 70vh; }
  .services-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .case-studies-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  section { padding: 3rem 0; }
}