/* ============================================================
   PVG TECH - Global Stylesheet
   ============================================================ */

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

:root {
  /* === Spacing scale === */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* === Component spacing === */
  --gap-sm:   12px;   /* tight card grids */
  --gap-md:   20px;   /* standard card grids */
  --gap-lg:   40px;   /* footer columns */
  --gap-xl:   64px;   /* two-column layouts */
  --section-pad: 80px 0;
  --section-pad-sm: 52px 0;
  --container-pad: 0 28px;

  /* Brand colors - matched to PVG TECH logo */
  --gold: #CC8800;           /* bright orange-gold - orbital rings & TECH text */
  --gold-light: #E5A020;     /* lighter gold for hero eyebrows */
  --gold-dark: #C9922A;      /* darker tan-gold ring - accents */
  --gold-bg: rgba(204,136,0,0.10);
  --navy: #1B3068;           /* deep navy - logo text color */
  --navy-dark: #111E45;      /* darker navy for hero backgrounds */
  --navy-mid: #1E2D5A;       /* mid navy for hero right panel */
  --blue-gem: #1E4D8C;       /* PVG gem blue - CTA buttons */
  --blue-cta: #1E4D8C;
  --text-dark: #111827;
  --text-mid: #4B5563;
  --text-light: #9CA3AF;
  --border: #E5E7EB;
  --bg-off: #F9FAFB;
  --bg-white: #FFFFFF;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-size: 16px; color: var(--text-dark); background: var(--bg-white); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 700; line-height: 1.2; }
h2 { font-size: clamp(22px, 3vw, 32px); font-weight: 700; line-height: 1.3; }
h3 { font-size: 18px; font-weight: 600; line-height: 1.4; }
h4 { font-size: 15px; font-weight: 600; }
p { line-height: 1.7; color: var(--text-mid); }

.eyebrow { font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); margin-bottom: 10px; display: block; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 28px; }
.section { padding: var(--section-pad); }
.section-sm { padding: var(--section-pad-sm); }

.btn { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; padding: 12px 26px; border-radius: var(--radius-md); border: none; cursor: pointer; transition: opacity 0.15s, transform 0.1s; text-decoration: none; }
.btn:hover { opacity: 0.88; }
.btn:active { transform: scale(0.98); }
.btn-gold { background: var(--gold); color: #fff; }
.btn-blue { background: var(--blue-cta); color: #fff; }
.btn-navy { background: var(--navy-dark); color: #fff; }
.btn-outline-white { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.35); }
.btn-outline-dark { background: transparent; color: var(--text-dark); border: 1.5px solid var(--border); }
.btn-lg { padding: 14px 32px; font-size: 15px; }

.tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 4px 12px; border-radius: 20px; background: var(--gold-bg); color: var(--gold); letter-spacing: 0.04em; }
.tag-blue { background: rgba(29,111,164,0.10); color: var(--blue-cta); }

.card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; transition: box-shadow 0.2s, transform 0.2s; }
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* TOPBAR */
.topbar { background: var(--navy-dark); padding: 8px 28px; display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: #9EA8BA; }
.topbar a { color: var(--gold); font-weight: 600; }
.topbar-left { display: flex; align-items: center; gap: var(--gap-md); }
.topbar-sep { opacity: 0.3; }

/* NAVBAR */
.navbar { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.97); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.navbar-inner { max-width: 1140px; margin: 0 auto; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; color: var(--text-dark); }
.logo-mark { width: 34px; height: 34px; background: var(--navy); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 12px; font-weight: 700; }
.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; }
.nav-links a { display: block; padding: 8px 14px; font-size: 14px; color: var(--text-mid); border-radius: var(--radius-sm); transition: background 0.15s, color 0.15s; font-weight: 500; }
.nav-links a:hover { background: var(--bg-off); color: var(--text-dark); }
.nav-links a.active { color: var(--gold); font-weight: 600; }
.nav-right { display: flex; align-items: center; gap: 10px; }
.nav-phone { font-size: 13px; color: var(--text-mid); font-weight: 500; }

/* FOOTER */
.footer { background: var(--navy-dark); color: #fff; }
.footer-main { max-width: 1140px; margin: 0 auto; padding: 56px 28px 40px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--gap-lg); }
.footer-brand .brand-row { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .brand-name { font-size: 17px; font-weight: 700; }
.footer-brand p { font-size: 13px; color: #8EA3BC; line-height: 1.7; margin-bottom: 14px; }
.footer-brand .contact-line { font-size: 13px; color: #8EA3BC; margin-bottom: 5px; }
.footer-social { display: flex; gap: 8px; margin-top: 18px; }
.social-btn { width: 34px; height: 34px; border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: #8EA3BC; font-size: 17px; transition: background 0.15s, color 0.15s; }
.social-btn:hover { background: rgba(255,255,255,0.08); color: #fff; }
.footer-col h4 { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: #fff; margin-bottom: 16px; }
.footer-col a { display: block; font-size: 13px; color: #8EA3BC; margin-bottom: 10px; transition: color 0.15s; }
.footer-col a:hover { color: #fff; }
.footer-bottom-wrap { border-top: 1px solid rgba(255,255,255,0.08); }
.footer-bottom { max-width: 1140px; margin: 0 auto; padding: 18px 28px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-bottom span, .footer-bottom a { font-size: 12px; color: #8EA3BC; }
.footer-bottom a:hover { color: #fff; }
.footer-bottom-links { display: flex; gap: var(--gap-md); }

/* HERO HOME */
.hero-home {
  background: var(--navy-dark);
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 520px;
  width: 100%;
}
.hero-left {
  padding: 72px 48px 72px max(28px, calc((100vw - 1140px) / 2 + 28px));
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-left .eyebrow { color: var(--gold-light); }
.hero-left h1 { color: #fff; margin-bottom: 18px; }
.hero-left h1 em { font-style: normal; color: var(--gold-light); }
.hero-left p { color: #8EA3BC; font-size: 16px; margin-bottom: 32px; max-width: 440px; }
.hero-btns { display: flex; gap: var(--gap-sm); flex-wrap: wrap; }
.hero-right {
  background: var(--navy-mid);
  padding: 40px max(28px, calc((100vw - 1140px) / 2 + 28px)) 40px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.hero-service-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.09); border-radius: var(--radius-lg); padding: 20px 24px; display: flex; align-items: flex-start; gap: 16px; transition: background 0.2s; cursor: default; }
.hero-service-card:hover { background: rgba(255,255,255,0.09); }
.hsc-icon { width: 40px; height: 40px; flex-shrink: 0; background: var(--gold-bg); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 20px; }
.hsc-body h3 { font-size: 14px; color: #E8EDF3; margin-bottom: 4px; }
.hsc-body p { font-size: 12px; color: #6B84A0; line-height: 1.5; }

/* STATS BAR */
.stats-bar { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--border); }
.stat-cell { padding: 24px; text-align: center; border-right: 1px solid var(--border); }
.stat-cell:last-child { border-right: none; }
.stat-num { font-size: 28px; font-weight: 700; color: var(--text-dark); }
.stat-lbl { font-size: 13px; color: var(--text-light); margin-top: 4px; }

/* PARTNERS */
.partners-bar { background: var(--bg-off); border-bottom: 1px solid var(--border); padding: 16px 0; }
.partners-inner { max-width: 1140px; margin: 0 auto; padding: 0 28px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.partners-label { font-size: 11px; font-weight: 700; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.1em; margin-right: 6px; }
.partner-chip { font-size: 12px; font-weight: 600; color: var(--text-mid); background: var(--bg-white); border: 1px solid var(--border); border-radius: 20px; padding: 5px 14px; display: flex; align-items: center; gap: 6px; }

/* PAGE HERO */
.page-hero { background: var(--navy-dark); padding: 72px 28px 64px; text-align: center; }
.page-hero h1 { color: #fff; margin-bottom: 16px; }
.page-hero p { color: #8EA3BC; font-size: 17px; max-width: 580px; margin: 0 auto 28px; }

/* SERVICES */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--gap-md); }
.sc-icon { width: 48px; height: 48px; background: var(--gold-bg); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 24px; color: var(--gold); margin-bottom: 18px; }
.service-card h3 { margin-bottom: 10px; }
.service-card p { font-size: 14px; margin-bottom: 16px; }
.learn-more { font-size: 13px; font-weight: 600; color: var(--blue-cta); display: inline-flex; align-items: center; gap: 5px; }

/* CASE STUDIES */
.cs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--gap-md); }
.cs-card { padding: 0; overflow: hidden; }
.cs-header { height: 110px; display: flex; align-items: center; justify-content: center; font-size: 52px; }
.cs-body { padding: 24px; }
.cs-body h3 { font-size: 16px; margin: 10px 0 8px; }
.cs-body p { font-size: 14px; }
.cs-result { margin-top: 14px; padding: 10px 14px; background: var(--bg-off); border-radius: var(--radius-sm); border-left: 3px solid var(--gold); font-size: 13px; font-weight: 600; color: var(--text-dark); }

/* STEPS */
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-6); }
.step-card { text-align: center; padding: 32px 24px; }
.step-num { width: 48px; height: 48px; background: var(--gold); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; margin: 0 auto 20px; }
.step-card h3 { margin-bottom: 8px; }
.step-card p { font-size: 14px; }

/* CTA BAND */
.cta-band { background: var(--navy-dark); padding: 80px 28px; text-align: center; }
.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: #8EA3BC; font-size: 16px; max-width: 520px; margin: 0 auto 32px; }
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text-dark); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--radius-md); font-size: 14px; color: var(--text-dark); font-family: inherit; background: var(--bg-white); transition: border-color 0.15s; outline: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,146,42,0.12); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-info-card { background: var(--navy-dark); border-radius: var(--radius-lg); padding: 36px; }
.contact-info-card h3 { color: #fff; margin-bottom: 8px; }
.contact-info-card .sub { color: #8EA3BC; font-size: 14px; margin-bottom: 28px; }
.contact-detail { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 24px; }
.cd-icon { width: 40px; height: 40px; flex-shrink: 0; background: rgba(201,146,42,0.15); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 20px; }
.cd-text .cd-label { font-size: 11px; color: #8EA3BC; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700; }
.cd-text .cd-val { font-size: 14px; color: #fff; margin-top: 3px; font-weight: 500; }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-xl); align-items: center; }
.about-img-box { background: var(--navy-dark); border-radius: var(--radius-lg); min-height: 380px; display: flex; align-items: center; justify-content: center; font-size: 90px; }
.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--gap-md); }
.value-card { padding: 28px; background: var(--bg-off); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.val-icon { font-size: 28px; color: var(--gold); margin-bottom: 14px; }
.value-card h3 { font-size: 15px; margin-bottom: 8px; }

/* TESTIMONIALS */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--gap-md); }
.testimonial-card { padding: 28px; }
.quote-mark { font-size: 52px; color: var(--gold); line-height: 1; margin-bottom: 10px; font-family: Georgia, serif; }
.testimonial-card blockquote { font-size: 15px; color: var(--text-dark); line-height: 1.7; font-style: italic; margin-bottom: 20px; }
.author-row { display: flex; align-items: center; gap: var(--gap-sm); padding-top: 16px; border-top: 1px solid var(--border); }
.author-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--gold-bg); color: var(--gold); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; }
.author-name { font-size: 14px; font-weight: 600; color: var(--text-dark); }
.author-title { font-size: 12px; color: var(--text-light); margin-top: 1px; }

/* INSIGHTS */
.insights-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--gap-md); }
.insight-card { padding: 0; overflow: hidden; }
.ic-img { height: 80px; display: flex; align-items: center; justify-content: center; font-size: 36px; }
.ic-body { padding: 22px; }
.ic-type { font-size: 11px; color: var(--text-light); margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.insight-card h3 { font-size: 15px; margin-bottom: 8px; line-height: 1.4; }
.insight-card p { font-size: 13px; }
.read-more-link { font-size: 13px; font-weight: 600; color: var(--blue-cta); display: inline-flex; align-items: center; gap: 5px; margin-top: 12px; }

/* FINANCING */
.financing-band { background: var(--bg-off); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 48px 0; }
.financing-inner { max-width: 1140px; margin: 0 auto; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.financing-text h2 { font-size: 24px; margin-bottom: 8px; }
.financing-text p { max-width: 480px; }

/* SECTION HEADER */
.section-header { margin-bottom: 48px; }
.section-header h2 { margin-top: 8px; margin-bottom: 14px; }
.section-header p { font-size: 16px; max-width: 560px; }
.section-header.center { text-align: center; }
.section-header.center p { margin: 0 auto; }

/* RESPONSIVE */
/* ============================================================
   RESPONSIVE - TABLET (max 900px)
   ============================================================ */
@media (max-width: 900px) {
  /* Hero */
  .hero-home { grid-template-columns: 1fr; min-height: auto; }
  .hero-right { display: none; }
  .hero-left { padding: 52px 28px 48px; max-width: 100%; }
  .hero-left h1 { font-size: 32px; }
  .hero-left p { font-size: 15px; }

  /* Stats */
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stat-cell { padding: 20px 16px; }
  .stat-num { font-size: 24px; }

  /* Grids */
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .cs-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .insights-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }

  /* Two-column service layouts */
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }

  /* Service page alternating two-col layouts */
  div[style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }

  /* Footer */
  .footer-main { grid-template-columns: 1fr 1fr; gap: 28px; }

  /* Financing */
  .financing-inner { flex-direction: column; gap: 20px; }

  /* Section padding */
  .section { padding: 56px 0; }
  .section-sm { padding: 36px 0; }
  .cta-band { padding: 56px 28px; }
  .page-hero { padding: 52px 28px 44px; }
}

/* ============================================================
   RESPONSIVE - MOBILE (max 640px)
   ============================================================ */
@media (max-width: 640px) {
  /* Container */
  .container { padding: 0 16px; }

  /* Typography scale down */
  h1 { font-size: 28px !important; }
  h2 { font-size: 22px !important; }
  h3 { font-size: 16px; }

  /* Topbar */
  .topbar { flex-direction: column; gap: 6px; text-align: center; font-size: 12px; padding: 10px 16px; }

  /* Navbar */
  .navbar-inner { padding: 0 16px; height: 56px; }
  .nav-links { display: none; }
  .nav-phone { display: none; }
  .nav-logo img { height: 40px; }

  /* Hero */
  .hero-left { padding: 40px 16px 36px; }
  .hero-left h1 { font-size: 28px; }
  .hero-btns { flex-direction: column; gap: 10px; }
  .btn-lg { width: 100%; justify-content: center; padding: 13px 20px; }

  /* Stats */
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stat-cell { padding: 16px 10px; border-right: none; border-bottom: 1px solid var(--border); }
  .stat-num { font-size: 22px; }
  .stat-lbl { font-size: 11px; }

  /* Partners */
  .partners-inner { gap: 8px; }
  .partner-chip { font-size: 11px; padding: 4px 10px; }
  .partners-label { display: none; }

  /* Service cards - single column */
  .services-grid { grid-template-columns: 1fr; }
  .cs-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .insights-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }

  /* Service page two-col -> single col */
  div[style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  /* Dark image boxes - hide on mobile to save space */
  div[style*="min-height:340px"] { min-height: 180px !important; font-size: 48px; }

  /* Section padding */
  .section { padding: 40px 0; }
  .section-sm { padding: 28px 0; }
  .section-header { margin-bottom: 28px; }
  .cta-band { padding: 40px 16px; }
  .page-hero { padding: 40px 16px 32px; }

  /* CTA buttons */
  .cta-btns { flex-direction: column; align-items: stretch; }
  .cta-btns .btn { justify-content: center; }

  /* Financing */
  .financing-band { padding: 36px 0; }
  .financing-inner { flex-direction: column; gap: 20px; padding: 0 16px; }
  .financing-inner .btn { width: 100%; justify-content: center; }

  /* Contact form */
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-info-card { padding: 24px; }

  /* Footer */
  .footer-main { grid-template-columns: 1fr; gap: 28px; padding: 36px 16px 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; padding: 16px; font-size: 11px; }
  .footer-bottom-links { gap: 12px; }

  /* Case studies - metric grids */
  div[style*="grid-template-columns:repeat(3,1fr)"] {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  /* Hamburger hint */
  .navbar-inner::after {
    content: "\2630";
    font-size: 22px;
    color: var(--text-mid);
    cursor: pointer;
  }
}