/* =========================================================
   Eski Solutions — SAP-style professional site
   ========================================================= */

:root {
  --sap-blue: #0A6ED1;
  --sap-blue-dark: #003A5D;
  --sap-blue-darker: #05233a;
  --bg-light: #F7F9FB;
  --text-main: #1D2733;
  --text-muted: #5B6975;
  --border-color: #E3E8EE;
  --radius: 10px;
  --max-width: 1160px;
  --shadow-sm: 0 2px 8px rgba(10, 30, 60, 0.06);
  --shadow-md: 0 8px 24px rgba(10, 30, 60, 0.10);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  color: var(--text-main);
  background: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.2s ease;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--sap-blue);
  color: #ffffff;
}
.btn-primary:hover { background: #0857a6; }

.btn-ghost {
  border-color: rgba(255,255,255,0.6);
  color: #ffffff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--sap-blue-dark);
  letter-spacing: -0.02em;
}
.logo span { color: var(--sap-blue); font-weight: 700; }

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-desktop a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
}
.nav-desktop a:hover { color: var(--sap-blue); }

.nav-cta {
  background: var(--sap-blue);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: 6px;
}
.nav-cta:hover { background: #0857a6 !important; color: #fff !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--sap-blue-dark);
  display: block;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  background: #fff;
  border-top: 1px solid var(--border-color);
  padding: 8px 24px 20px;
}
.nav-mobile a {
  padding: 12px 0;
  font-weight: 500;
  border-bottom: 1px solid var(--border-color);
}
.nav-mobile.open { display: flex; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--sap-blue-dark) 0%, #04539c 55%, var(--sap-blue) 100%);
  color: #ffffff;
  padding: 110px 0 130px;
  overflow: hidden;
}

.hero-inner { position: relative; z-index: 2; max-width: 760px; }

.eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #9FD3FF;
  margin: 0 0 18px;
}

.hero h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 22px;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 17px;
  color: #DCEBFA;
  max-width: 560px;
  margin: 0 0 34px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-shape {
  position: absolute;
  right: -120px;
  top: -80px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.10) 0%, rgba(255,255,255,0) 70%);
  z-index: 1;
}

/* ---------- Trust strip ---------- */
.trust-strip {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
  padding: 22px 0;
}
.trust-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  justify-content: center;
}
.trust-inner span {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--sap-blue-dark);
  text-transform: uppercase;
  opacity: 0.75;
}

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-light); }

.section-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--sap-blue);
  margin: 0 0 12px;
  text-transform: uppercase;
}
.section-eyebrow-light { color: #9FD3FF; }

.section-title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--sap-blue-dark);
}
.section-title-light { color: #ffffff; }

.section-lead {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 0 48px;
}

/* ---------- Grid / Cards ---------- */
.grid { display: grid; gap: 28px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.card-icon {
  font-size: 13px;
  font-weight: 800;
  color: var(--sap-blue);
  background: rgba(10,110,209,0.08);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--sap-blue-dark);
  margin: 0 0 10px;
}
.card p { font-size: 14.5px; color: var(--text-muted); margin: 0; }

/* ---------- Tags ---------- */
.tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.tag {
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--sap-blue-dark);
  font-weight: 600;
  font-size: 14px;
  padding: 12px 20px;
  border-radius: 30px;
  box-shadow: var(--shadow-sm);
}

/* ---------- Why grid ---------- */
.why-grid { margin-top: 8px; }
.why-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-color);
}
.check {
  color: var(--sap-blue);
  font-weight: 800;
  font-size: 18px;
  flex-shrink: 0;
}
.why-item p { margin: 0; color: var(--text-muted); font-size: 15px; }

/* ---------- About / dark section ---------- */
.section-dark {
  background: linear-gradient(135deg, var(--sap-blue-darker) 0%, var(--sap-blue-dark) 100%);
  color: #fff;
}
.about-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text p { color: #CBDFF2; font-size: 15.5px; }
.about-highlight {
  color: #ffffff !important;
  font-weight: 600;
  border-left: 3px solid var(--sap-blue);
  padding-left: 16px;
  margin-top: 24px !important;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.stat {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.stat strong {
  display: block;
  font-size: 20px;
  color: #ffffff;
  margin-bottom: 4px;
}
.stat span { font-size: 13.5px; color: #A9C9E3; }

/* ---------- Contact ---------- */
.contact-inner { text-align: center; }
.contact-card {
  max-width: 460px;
  margin: 0 auto;
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 36px;
  text-align: left;
}
.contact-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 15px;
}
.contact-row a { color: var(--sap-blue); font-weight: 600; }
.contact-label { color: var(--text-muted); font-weight: 600; }
.contact-btn { width: 100%; text-align: center; margin-top: 24px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--sap-blue-darker);
  color: #A9C9E3;
  padding: 26px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 36px; }
}

@media (max-width: 640px) {
  .nav-desktop { display: none; }
  .nav-toggle { display: flex; }
  .grid-4, .grid-3 { grid-template-columns: 1fr; }
  .hero { padding: 80px 0 90px; }
  .hero h1 { font-size: 30px; }
  .section { padding: 64px 0; }
  .section-title { font-size: 26px; }
  .footer-inner { flex-direction: column; text-align: center; }
}