/*
Theme Name: NexusNick
Theme URI: https://nexusnick.nl
Author: Nick van Boxtel
Author URI: https://nexusnick.nl
Description: Zakelijke website voor NexusNick - verbinding tussen klant en aanbieder via affiliate marketing.
Version: 1.0
License: GNU General Public License v2 or later
Text Domain: nexusnick
*/

/* ===========================
   CSS RESET & BASE
=========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg:        #0d1117;
  --color-bg-card:   #161b22;
  --color-bg-alt:    #111827;
  --color-border:    #21262d;
  --color-accent:    #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-gold:      #f59e0b;
  --color-white:     #f0f6fc;
  --color-muted:     #8b949e;
  --color-text:      #e6edf3;
  --font-main:       'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius:          12px;
  --transition:      0.2s ease;
  --max-width:       1100px;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-gold);
}

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

/* ===========================
   TYPOGRAPHY
=========================== */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.2rem; }

p {
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

/* ===========================
   LAYOUT
=========================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
}

.section-header {
  margin-bottom: 3rem;
}

/* ===========================
   NAVIGATION
=========================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.nav-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.nav-logo span {
  color: var(--color-accent);
}

.nav-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-menu a {
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-menu a:hover {
  color: var(--color-white);
}

.nav-cta {
  background: var(--color-accent);
  color: var(--color-white) !important;
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background var(--transition) !important;
}

.nav-cta:hover {
  background: var(--color-accent-hover);
  color: var(--color-white) !important;
}

/* ===========================
   HERO SECTION
=========================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.hero-tagline {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-tagline::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--color-accent);
  display: inline-block;
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero h1 span {
  color: var(--color-accent);
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--color-muted);
  margin-bottom: 2.5rem;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background var(--transition), transform var(--transition);
  display: inline-block;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid var(--color-border);
  transition: border-color var(--transition), color var(--transition);
  display: inline-block;
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-white);
}

.hero-image-wrap {
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-image-wrap::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-gold));
  z-index: 0;
  opacity: 0.3;
}

.hero-photo {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  position: relative;
  z-index: 1;
  border: 4px solid var(--color-bg);
}

.hero-photo-placeholder {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 4px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  position: relative;
  z-index: 1;
}

/* ===========================
   ABOUT / INFO SECTION
=========================== */
.about {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 5rem;
  align-items: start;
}

.about-text p {
  font-size: 1.05rem;
  color: var(--color-muted);
  margin-bottom: 1.25rem;
}

.expertise-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.expertise-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--color-text);
  font-weight: 500;
}

.expertise-item::before {
  content: '✦';
  color: var(--color-accent);
  font-size: 0.6rem;
}

/* ===========================
   CONTACT / ZAKELIJK SECTION
=========================== */
.contact-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
}

.contact-card h3 {
  margin-bottom: 1.5rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
}

.contact-row {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.contact-icon {
  width: 36px;
  height: 36px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.contact-info span {
  display: block;
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-bottom: 0.15rem;
}

.contact-info strong {
  color: var(--color-text);
  font-size: 0.9rem;
}

/* ===========================
   PORTFOLIO SECTION
=========================== */
.portfolio {
  background: var(--color-bg);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.portfolio-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.portfolio-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(37, 99, 235, 0.12);
}

.portfolio-card-image {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  border-bottom: 1px solid var(--color-border);
}

.portfolio-card-body {
  padding: 1.5rem;
}

.portfolio-card-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(37, 99, 235, 0.1);
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.portfolio-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: var(--color-white);
}

.portfolio-card p {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 1.25rem;
}

.portfolio-card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap var(--transition);
}

.portfolio-card-link:hover {
  gap: 0.6rem;
  color: var(--color-gold);
}

/* ===========================
   DIVIDER / STATS
=========================== */
.stats-bar {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 3rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===========================
   FOOTER
=========================== */
.site-footer {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-white);
}

.footer-logo span {
  color: var(--color-accent);
}

.footer-meta {
  font-size: 0.8rem;
  color: var(--color-muted);
  text-align: right;
}

/* ===========================
   PAGE HERO (portfolio page)
=========================== */
.page-hero {
  padding: 10rem 0 4rem;
  text-align: center;
}

.page-hero h1 {
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-tagline {
    justify-content: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-image-wrap {
    order: -1;
  }

  .hero-photo, .hero-photo-placeholder {
    width: 220px;
    height: 220px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 640px) {
  section {
    padding: 4rem 0;
  }

  .nav-menu {
    display: none;
  }

  .expertise-list {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-meta {
    text-align: center;
  }
}