/* ============================================================
   20 North Technologies — Main Stylesheet
   20northtech.com
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy-dark:   #030d2e;
  --navy-brand:  #001993;
  --navy-mid:    #0a22a0;
  --cyan:        #00b4d8;
  --cyan-light:  #33c7e8;
  --cyan-text:   #0093b8;   /* darkened cyan safe for text on white/light bg */
  --white:       #ffffff;
  --off-white:   #f2f6fb;
  --gray-light:  #e3ecf5;
  --gray-text:   #3d4f72;   /* darkened for WCAG AA on white (~5.2:1) */
  --font:        'Montserrat', sans-serif;
  --radius:      10px;
  --shadow:      0 4px 24px rgba(3,13,46,0.14);
  --transition:  0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--navy-dark);
  line-height: 1.6;
  font-size: 16px;
}

img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--cyan-light); }

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy-dark);
}
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
p  { color: #3a4a6b; }

/* --- Utilities --- */
.container      { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section        { padding: 88px 0; }
.section--dark  { background: var(--navy-dark); }
.section--brand { background: var(--navy-brand); }
.section--gray  { background: var(--off-white); }
.text-center    { text-align: center; }
.text-white     { color: var(--white) !important; }
.text-white p   { color: rgba(255,255,255,0.82); }
.text-cyan      { color: var(--cyan); }
.badge {
  display: inline-block;
  background: rgba(0,147,184,0.1);
  color: var(--cyan-text);
  border: 1px solid rgba(0,147,184,0.45);
  border-radius: 20px;
  padding: 4px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  letter-spacing: 0.03em;
}
.btn-primary  { background: var(--cyan); color: var(--navy-dark); }
.btn-primary:hover { background: var(--cyan-light); color: var(--navy-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,180,216,0.35); }
.btn-outline  { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--navy-dark); transform: translateY(-2px); }
.btn-dark     { background: var(--navy-dark); color: var(--white); }
.btn-dark:hover { background: var(--navy-brand); color: var(--white); transform: translateY(-2px); }
.btn-brand    { background: var(--navy-brand); color: var(--white); border-color: var(--navy-brand); }
.btn-brand:hover { background: var(--navy-mid); color: var(--white); transform: translateY(-2px); }

/* ============================================================
   NAVIGATION
   ============================================================ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(3, 13, 46, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,180,216,0.15);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo-link { display: flex; align-items: center; }
.nav-logo-img  { height: 52px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,0.82);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 6px;
  transition: all var(--transition);
  letter-spacing: 0.02em;
}
.nav-links a:hover,
.nav-links a.active { color: var(--white); background: rgba(0,180,216,0.12); }
.nav-cta .btn { padding: 9px 22px; font-size: 0.85rem; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--navy-dark);
  border-top: 1px solid rgba(0,180,216,0.15);
  padding: 12px 24px 20px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  color: rgba(255,255,255,0.82);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover { color: var(--cyan); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, #010b2a 50%, #001260 100%);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,180,216,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,25,147,0.25) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-content { position: relative; z-index: 1; }
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.hero-content h1 { color: var(--white); margin-bottom: 20px; }
.hero-content h1 em { color: var(--cyan); font-style: normal; }
.hero-content p { color: rgba(255,255,255,0.78); font-size: 1.08rem; line-height: 1.7; margin-bottom: 36px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Hero visual panel */
.hero-visual { position: relative; z-index: 1; }
.hero-panel {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(0,180,216,0.2);
  border-radius: 16px;
  padding: 40px;
  backdrop-filter: blur(6px);
}
.hero-panel-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 28px;
}
.hero-capability {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.hero-capability:last-child { border-bottom: none; }
.hero-cap-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  flex-shrink: 0;
}
.hero-cap-text { color: rgba(255,255,255,0.82); font-size: 0.9rem; font-weight: 500; }

/* Stats bar */
.stats-bar {
  background: rgba(0,180,216,0.07);
  border-top: 1px solid rgba(0,180,216,0.15);
  border-bottom: 1px solid rgba(0,180,216,0.15);
  padding: 32px 0;
  margin-top: 80px;
}
.stats-row {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}
.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255,255,255,0.82);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, #010b2a 60%, #001260 100%);
  padding: 130px 0 72px;
  text-align: center;
}
.page-hero h1 { color: var(--white); margin: 12px 0; }
.page-hero p  { color: rgba(255,255,255,0.88); max-width: 560px; margin: 0 auto; font-size: 1.05rem; }

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header { margin-bottom: 52px; }
.section-header h2 { margin: 8px 0 14px; }
.section-header p  { max-width: 580px; font-size: 1.02rem; }
.section-header.text-center p { margin: 0 auto; }

/* ============================================================
   FEATURE / SERVICE CARDS
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 14px;
  padding: 36px 32px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(3,13,46,0.18);
  border-color: rgba(0,180,216,0.3);
}
.feature-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(0,180,216,0.12), rgba(0,25,147,0.08));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.feature-card h3 { margin-bottom: 12px; }
.feature-card p  { font-size: 0.95rem; }

/* Services - 2 col grid for wider cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 16px;
  padding: 40px 36px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(3,13,46,0.18);
  border-color: rgba(0,180,216,0.3);
}
.service-card .feature-icon { margin-bottom: 24px; }
.service-card h3 { margin-bottom: 14px; }
.service-card p  { margin-bottom: 20px; font-size: 0.95rem; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.service-tag {
  background: rgba(0,180,216,0.09);
  color: var(--navy-brand);
  border: 1px solid rgba(0,25,147,0.15);
  border-radius: 20px;
  padding: 3px 12px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* ============================================================
   VALUES GRID
   ============================================================ */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.value-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(0,180,216,0.15);
  border-radius: 14px;
  padding: 36px 30px;
  transition: all var(--transition);
}
.value-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(0,180,216,0.3);
  transform: translateY(-3px);
}
.value-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}
.value-card h3 { color: var(--white); margin-bottom: 12px; }
.value-card p  { color: rgba(255,255,255,0.72); font-size: 0.94rem; }

/* ============================================================
   TEAM
   ============================================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.team-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(3,13,46,0.18);
  border-color: rgba(0,180,216,0.3);
}
.team-photo {
  height: 200px;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy-brand));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.team-photo img { width: auto; height: 80%; object-fit: cover; object-position: top center; border-radius: 50%; opacity: 1; }
.team-info { padding: 28px; }
.team-info h3 { margin-bottom: 4px; }
.team-role {
  color: var(--cyan-text);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.team-info p { font-size: 0.92rem; }

/* ============================================================
   WORK / PROJECT CARDS
   ============================================================ */
.work-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.work-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 380px 1fr;
}
.work-card-visual {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy-brand));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  min-height: 280px;
}
.work-card-visual img { width: 160px; height: auto; opacity: 0.8; }
.work-card-visual.redacted {
  background: linear-gradient(135deg, #1a1a2e, #2a2a4a);
}
.work-card-visual .redacted-label {
  color: rgba(255,255,255,0.3);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
}
.work-card-body { padding: 48px 44px; }
.work-card-body .badge { margin-bottom: 14px; }
.work-card-body h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); margin-bottom: 16px; }
.work-card-body p  { margin-bottom: 18px; font-size: 0.97rem; line-height: 1.7; }
.work-stats {
  display: flex;
  gap: 36px;
  margin: 28px 0;
  padding: 24px 0;
  border-top: 1px solid var(--gray-light);
  border-bottom: 1px solid var(--gray-light);
}
.work-stat-num {
  display: block;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--navy-brand);
  line-height: 1;
  margin-bottom: 4px;
}
.work-stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.work-tag {
  display: inline-block;
  background: rgba(0,25,147,0.07);
  color: var(--navy-brand);
  border: 1px solid rgba(0,25,147,0.15);
  border-radius: 20px;
  padding: 3px 12px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin: 4px 4px 4px 0;
}

/* ============================================================
   FEATURED PROJECT TEASER (home)
   ============================================================ */
.project-teaser {
  background: var(--off-white);
  border-radius: 20px;
  padding: 56px 52px;
  border: 1px solid var(--gray-light);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
}
.project-teaser-meta { }
.project-teaser-meta .badge { margin-bottom: 12px; }
.project-teaser-meta h2 { margin-bottom: 18px; }
.project-teaser-meta p  { margin-bottom: 24px; font-size: 0.97rem; }
.project-teaser-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.pts-item { }
.pts-num {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  color: var(--navy-brand);
  line-height: 1;
  margin-bottom: 4px;
}
.pts-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--navy-brand) 0%, var(--navy-dark) 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0,180,216,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.cta-banner h2 { color: var(--white); margin-bottom: 14px; }
.cta-banner p  { color: rgba(255,255,255,0.78); max-width: 520px; margin: 0 auto 36px; font-size: 1.02rem; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: start;
}
.contact-info h2 { margin-bottom: 16px; }
.contact-info p  { margin-bottom: 32px; }
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}
.contact-detail-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, rgba(0,180,216,0.12), rgba(0,25,147,0.08));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-detail-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-text);
  margin-bottom: 2px;
}
.contact-detail-value { font-weight: 600; color: var(--navy-dark); font-size: 0.95rem; }

.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 16px;
  padding: 48px;
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-light);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.94rem;
  color: var(--navy-dark);
  background: var(--white);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--cyan); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-success {
  display: none;
  background: rgba(0,180,216,0.1);
  border: 1px solid var(--cyan);
  border-radius: var(--radius);
  padding: 16px;
  color: var(--navy-brand);
  font-weight: 600;
  margin-top: 16px;
  text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--navy-dark);
  border-top: 1px solid rgba(0,180,216,0.12);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo { margin-bottom: 16px; }
.footer-logo img { height: 52px; width: auto; }
.footer-brand p {
  color: rgba(255,255,255,0.78);
  font-size: 0.88rem;
  line-height: 1.65;
  max-width: 280px;
  margin-bottom: 20px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.07);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.65);
  font-size: 0.85rem;
  font-weight: 700;
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--cyan); color: var(--navy-dark); }
.footer-col h4 {
  color: var(--white);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: rgba(255,255,255,0.75);
  font-size: 0.88rem;
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--cyan); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p { color: rgba(255,255,255,0.62); font-size: 0.83rem; }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { color: rgba(255,255,255,0.62); font-size: 0.83rem; }
.footer-legal a:hover { color: var(--cyan); }

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.legal-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 24px;
}
.legal-body h2 { margin: 40px 0 12px; font-size: 1.2rem; }
.legal-body p, .legal-body li { color: #3a4a6b; font-size: 0.95rem; line-height: 1.75; margin-bottom: 14px; }
.legal-body ul { padding-left: 24px; }
.legal-date { color: var(--gray-text); font-size: 0.85rem; margin-bottom: 36px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .work-card { grid-template-columns: 1fr; }
  .work-card-visual { min-height: 220px; }
  .project-teaser { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 110px 0 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .stats-bar { margin-top: 40px; }
  .stats-row { gap: 28px; }
  .features-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .project-teaser { padding: 36px 28px; }
  .project-teaser-stats { grid-template-columns: 1fr 1fr; }
}