/* Infobridge Information Services Pvt. Ltd. — base design system */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@500;700;800&family=Inter:wght@400;500;600&display=swap');

:root{
  --navy: #123A66;
  --navy-dark: #0C2748;
  --teal: #0F9488;
  --teal-light: #2DD4BF;
  --slate: #5B6B7D;
  --ink: #1A2430;
  --bg: #FFFFFF;
  --bg-alt: #F4F6F8;
  --border: #E3E8EC;

  --font-heading: 'Manrope', 'Segoe UI', Arial, sans-serif;
  --font-body: 'Inter', 'Segoe UI', Arial, sans-serif;

  --radius: 10px;
  --shadow: 0 4px 20px rgba(18, 58, 102, 0.08);
  --container: 1180px;
}

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

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4{
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 16px;
  color: var(--navy-dark);
}

h1{ font-size: clamp(32px, 4vw, 48px); }
h2{ font-size: clamp(24px, 3vw, 32px); }
h3{ font-size: 20px; font-weight: 700; }

p{ margin: 0 0 16px; color: var(--slate); }

a{ color: var(--teal); text-decoration: none; }
a:hover{ color: var(--navy); }

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

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

.section{ padding: 72px 0; }
.section-alt{ background: var(--bg-alt); }

.eyebrow{
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 12px;
}

.section-head{ max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head p{ margin: 0; }

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  padding: 13px 26px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn-primary{ background: var(--teal); color: #fff; }
.btn-primary:hover{ background: var(--navy); color: #fff; transform: translateY(-1px); }
.btn-outline{ background: transparent; border-color: rgba(255,255,255,0.5); color: #fff; }
.btn-outline:hover{ background: rgba(255,255,255,0.12); color: #fff; }
.btn-outline-navy{ background: transparent; border-color: var(--navy); color: var(--navy); }
.btn-outline-navy:hover{ background: var(--navy); color: #fff; }

/* Top utility bar */
.topbar{
  background: var(--navy-dark);
  color: #C9D4DE;
  font-size: 13px;
}
.topbar .container{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  padding-bottom: 8px;
  flex-wrap: wrap;
  gap: 6px;
}
.topbar a{ color: #C9D4DE; }
.topbar a:hover{ color: #fff; }
.topbar .contacts{ display: flex; gap: 20px; flex-wrap: wrap; }
.topbar .contacts span{ white-space: nowrap; }

/* Header / Nav */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.site-header .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand svg{ height: 40px; width: auto; }

.nav{ display: flex; align-items: center; gap: 30px; }
.nav ul{ list-style: none; display: flex; gap: 26px; margin: 0; padding: 0; }
.nav a{
  color: var(--ink);
  font-weight: 600;
  font-size: 15px;
}
.nav a:hover{ color: var(--teal); }

.nav-toggle{ display: none; }

@media (max-width: 900px){
  .nav ul{
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .nav ul.open{ display: flex; }
  .nav ul li{ border-top: 1px solid var(--border); }
  .nav ul li a{ display: block; padding: 14px 24px; }
  .nav .btn{ display: none; }
  .nav-toggle{
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
  }
  .nav-toggle span{ width: 22px; height: 2px; background: var(--navy); display: block; }
}

/* Hero */
.hero{
  position: relative;
  color: #fff;
  background: linear-gradient(rgba(12,39,72,.88), rgba(12,39,72,.82));
  background-size: cover;
  background-position: center;
  padding: 110px 0;
}
/* Background image is set inline per-page (style="background-image: ...") so the
   url() resolves against the document's <base> tag, not this stylesheet's location —
   CSS custom properties resolve url() relative to the declaring stylesheet, which
   breaks under the subfolder/base-tag setup this site uses. */
.hero .eyebrow{ color: var(--teal-light); }
.hero h1{ color: #fff; max-width: 780px; }
.hero p.lede{ color: #D6DEE6; max-width: 620px; font-size: 18px; margin-bottom: 32px; }
.hero .actions{ display: flex; gap: 16px; flex-wrap: wrap; }

/* Cards */
.grid{ display: grid; gap: 24px; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
.grid-2{ grid-template-columns: 1fr 1fr; }
.grid-2-wide{ grid-template-columns: 1.1fr .9fr; }
@media (max-width: 900px){ .grid-3, .grid-4{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px){ .grid-3, .grid-4{ grid-template-columns: 1fr; } }
@media (max-width: 768px){ .grid-2, .grid-2-wide{ grid-template-columns: 1fr; } }

.card{
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover{ transform: translateY(-4px); box-shadow: var(--shadow); }
.card .icon{
  width: 52px; height: 52px;
  border-radius: 12px;
  background: rgba(15,148,136,0.1);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  font-size: 24px;
  color: var(--teal);
}
.card.pillar-main{ border-top: 3px solid var(--teal); }
.card.pillar-secondary{ border-top: 3px solid var(--border); }
.card a.card-link{ font-weight: 700; font-size: 14px; }

/* Why choose us tiles */
.tile{ text-align: center; padding: 12px; }
.tile .icon{ margin: 0 auto 14px; }

/* Stats */
.stats{ background: var(--navy-dark); color: #fff; padding: 56px 0; }
.stats .grid-4{ text-align: center; }
.stats .num{ font-family: var(--font-heading); font-weight: 800; font-size: 40px; color: var(--teal-light); }
.stats .label{ font-size: 14px; color: #C9D4DE; margin-top: 6px; }

/* Testimonials */
.testimonial{
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 28px;
  border-left: 4px solid var(--teal);
}
.testimonial p{ color: var(--ink); font-style: italic; }
.testimonial .who{ font-weight: 700; color: var(--navy); font-style: normal; font-size: 14px; }

/* Sector badges (client wall placeholder) */
.badge-wall{ display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.badge{
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--slate);
  background: #fff;
}

/* CTA banner */
.cta-banner{
  background: linear-gradient(135deg, var(--navy) 0%, var(--teal) 130%);
  color: #fff;
  border-radius: 16px;
  padding: 56px;
  text-align: center;
}
.cta-banner h2{ color: #fff; }
.cta-banner p{ color: #E4ECF2; }

/* Footer */
.site-footer{ background: var(--navy-dark); color: #C9D4DE; padding: 64px 0 24px; }
.site-footer h4{ color: #fff; font-size: 15px; }
.site-footer a{ color: #C9D4DE; font-size: 14px; }
.site-footer a:hover{ color: var(--teal-light); }
.footer-grid{ display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 32px; margin-bottom: 40px; }
@media (max-width: 900px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-grid ul{ list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: #93A2B1;
}

/* Page header (interior pages) */
.page-header{
  background: linear-gradient(rgba(12,39,72,.90), rgba(12,39,72,.90)), url('../img/office-exterior.jpg') center/cover;
  color: #fff;
  padding: 64px 0;
}
.page-header h1{ color: #fff; margin-bottom: 8px; }
.page-header .breadcrumb{ font-size: 13px; color: #AEB9C4; }
.page-header .breadcrumb a{ color: #AEB9C4; }

/* Forms */
.form-field{ margin-bottom: 18px; }
.form-field label{ display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; color: var(--ink); }
.form-field input,
.form-field select,
.form-field textarea{
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  background: #fff;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15,148,136,0.15);
}
.form-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px){ .form-row{ grid-template-columns: 1fr; } }

.alert{ padding: 14px 18px; border-radius: 8px; margin-bottom: 20px; font-size: 14px; }
.alert-success{ background: #E4F7F1; color: #0B6B5A; border: 1px solid #B7E8D7; }
.alert-error{ background: #FDECEC; color: #9A2A2A; border: 1px solid #F5C2C2; }

.honeypot{ position: absolute; left: -9999px; top: -9999px; }

/* Photo placeholder — swap for a real <img> once the file exists in assets/img/ (see plan.md 4.1) */
.photo-placeholder{
  aspect-ratio: 4 / 3;
  background: var(--bg-alt);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--slate);
  font-size: 13px;
  text-align: center;
  padding: 20px;
  gap: 4px;
}
.photo-placeholder strong{ color: var(--navy); font-size: 14px; }