/*
Theme Name: System Builder Hub
Theme URI: https://www.systembuilderhub.com
Author: System Builder Hub
Description: Custom WordPress theme for System Builder Hub — business systems for Oman/GCC SME owners.
Version: 1.0.0
Text Domain: sbh
*/

/* ==========================================================================
   Design tokens — generated from design/design-system.md. Do not hardcode
   hex values anywhere else in this theme; add new tokens here instead.
   ========================================================================== */
:root {
  --color-primary: #0B2942;
  --color-secondary: #1769AA;
  --color-accent: #3B8CC4;
  --color-bg: #F7F9FB;
  --color-surface: #FFFFFF;
  --color-bg-dark: #0B2942;
  --color-text-primary: #102A43;
  --color-text-secondary: #52667A;
  --color-text-inverse: #FFFFFF;
  --color-border: #D9E2EC;
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #1FB855;
  --color-error: #C0392B;
  --color-success: #1E8E5A;

  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Montserrat', sans-serif;

  --size-display: clamp(2.75rem, 5vw, 4rem);
  --size-h1: 2.5rem;
  --size-h2: clamp(1.875rem, 3.5vw, 2.5rem);
  --size-h3: 1.375rem;
  --size-h4: 1.125rem;
  --size-body-lg: 1.125rem;
  --size-body: 1rem;
  --size-body-sm: 0.875rem;
  --size-caption: 0.75rem;
  --size-button: 0.9375rem;

  --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px;
  --space-6: 24px; --space-8: 32px; --space-12: 48px; --space-16: 64px;
  --space-24: 96px; --space-32: 128px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(11,41,66,0.06);
  --shadow-md: 0 8px 24px rgba(11,41,66,0.10);
  --shadow-lg: 0 16px 48px rgba(11,41,66,0.14);

  --transition-default: all 200ms ease;
  --transition-hover: all 150ms ease;

  --max-width: 1180px;
}

/* ==========================================================================
   Reset + base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.65;
  color: var(--color-text-primary);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-heading); margin: 0; color: var(--color-text-primary); }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
@media (min-width: 768px) {
  .container { padding: 0 var(--space-8); }
}

/* ==========================================================================
   Utility — eyebrow labels, decorative rules
   ========================================================================== */
.eyebrow {
  display: inline-block;
  font-size: var(--size-caption);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.eyebrow--on-dark { color: var(--color-accent); }
.rule {
  width: 48px;
  height: 2px;
  background: var(--color-accent);
  margin-bottom: var(--space-4);
  border: none;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--size-button);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  border: none;
  transition: var(--transition-default);
  min-height: 48px;
  line-height: 1;
}
.btn--primary {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
}
.btn--primary:hover { background: #145E93; }
.btn--outline {
  background: transparent;
  color: var(--color-text-inverse);
  border: 1.5px solid rgba(255,255,255,0.5);
}
.btn--outline:hover { background: rgba(255,255,255,0.08); }
.btn--whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
  border-radius: var(--radius-full);
  padding: var(--space-4) var(--space-8);
  min-height: 48px;
}
.btn--whatsapp:hover { background: var(--color-whatsapp-hover); }
.btn--whatsapp svg { width: 20px; height: 20px; flex-shrink: 0; }

/* ==========================================================================
   Navbar
   ========================================================================== */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.navbar__logo img { height: 34px; width: auto; }
.navbar__links {
  display: none;
  align-items: center;
  gap: var(--space-8);
  font-size: var(--size-nav, 0.9375rem);
  font-weight: 500;
}
@media (min-width: 900px) {
  .navbar__links { display: flex; }
}
.navbar__links a { color: var(--color-text-primary); transition: var(--transition-hover); }
.navbar__links a:hover, .navbar__links a.is-active { color: var(--color-secondary); }
.navbar__dropdown { position: relative; }
.navbar__dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 180px;
  padding: var(--space-2);
  margin-top: var(--space-2);
}
.navbar__dropdown:hover .navbar__dropdown-menu,
.navbar__dropdown:focus-within .navbar__dropdown-menu { display: block; }
.navbar__dropdown-menu a {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--size-body-sm);
}
.navbar__dropdown-menu a:hover { background: var(--color-bg); }
.navbar__actions { display: flex; align-items: center; gap: var(--space-4); }
.navbar__cta { display: none; }
@media (min-width: 900px) { .navbar__cta { display: inline-flex; padding: var(--space-2) var(--space-4); min-height: 40px; } }

.navbar__toggle {
  display: inline-flex;
  background: none;
  border: none;
  padding: var(--space-2);
}
@media (min-width: 900px) { .navbar__toggle { display: none; } }
.navbar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  margin: 4px 0;
  transition: var(--transition-default);
}

.mobile-panel {
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6) var(--space-8);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}
.mobile-panel.is-open { display: flex; }
.mobile-panel a { padding: var(--space-3) 0; font-weight: 500; font-size: var(--size-body-lg); }
.mobile-panel__group { padding-left: var(--space-4); border-left: 2px solid var(--color-border); margin-left: var(--space-2); }
@media (min-width: 900px) { .mobile-panel { display: none !important; } }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-24) 0 var(--space-24);
  background: var(--color-bg);
}
@media (min-width: 768px) { .hero { padding: var(--space-32) 0 var(--space-24); } }
.hero__motif {
  position: absolute;
  top: 50%;
  right: -8%;
  transform: translateY(-50%);
  width: 520px;
  max-width: 60vw;
  opacity: 0.08;
  pointer-events: none;
}
.hero__content { position: relative; max-width: 680px; }
.hero__eyebrow-pill {
  display: inline-block;
  font-size: var(--size-caption);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  margin-bottom: var(--space-6);
}
.hero h1 {
  font-size: var(--size-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.hero h1 em {
  font-style: normal;
  color: var(--color-secondary);
}
.hero__subheadline {
  font-size: var(--size-body-lg);
  color: var(--color-text-secondary);
  margin-top: var(--space-4);
  max-width: 560px;
  line-height: 1.7;
}
.hero__cta { margin-top: var(--space-8); }

/* ==========================================================================
   Section base + background rhythm
   ========================================================================== */
.section { padding: var(--space-24) 0; }
@media (min-width: 768px) { .section { padding: var(--space-32) 0; } }
.section--white { background: var(--color-surface); }
.section--bg { background: var(--color-bg); }
.section--dark { background: var(--color-bg-dark); color: rgba(255,255,255,0.92); }
.section--dark h2 { color: #fff; }
.section--dark .eyebrow { color: var(--color-accent); }
.section-heading { max-width: 640px; margin-bottom: var(--space-12); }
.section-heading h2 { font-size: var(--size-h2); font-weight: 700; line-height: 1.2; }

/* ==========================================================================
   Problem cards
   ========================================================================== */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) { .problem-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-8); } }
.problem-card {
  background: var(--color-bg);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  transition: var(--transition-default);
}
.problem-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.problem-card__icon { width: 28px; height: 28px; margin-bottom: var(--space-4); color: var(--color-secondary); }
.problem-card p { font-size: var(--size-body); color: var(--color-text-primary); line-height: 1.6; }

/* ==========================================================================
   Solution / Proof
   ========================================================================== */
.proof {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 900px) { .proof { grid-template-columns: 3fr 2fr; } }
.proof__body p { font-size: var(--size-body-lg); color: var(--color-text-secondary); line-height: 1.75; }
.proof__image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ==========================================================================
   Systems teaser
   ========================================================================== */
.systems-teaser { text-align: center; max-width: 640px; margin: 0 auto; }
.systems-teaser p { color: rgba(255,255,255,0.75); font-size: var(--size-body-lg); margin: var(--space-6) 0 var(--space-8); }

/* ==========================================================================
   Entry offer
   ========================================================================== */
.offer-box {
  background: rgba(59,140,196,0.08);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-12);
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.offer-box p { font-size: var(--size-body-lg); line-height: 1.7; margin-bottom: var(--space-8); }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--color-bg-dark); color: rgba(255,255,255,0.85); padding: var(--space-16) 0 var(--space-8); }
.site-footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-8);
}
@media (min-width: 768px) { .site-footer__top { grid-template-columns: 1.5fr 1fr 1fr; } }
.site-footer__logo img { height: 30px; margin-bottom: var(--space-4); }
.site-footer__tagline { color: rgba(255,255,255,0.6); font-size: var(--size-body-sm); }
.site-footer h4 { color: #fff; font-size: var(--size-body-sm); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-4); }
.site-footer__links a { display: block; padding: var(--space-1) 0; color: rgba(255,255,255,0.75); font-size: var(--size-body-sm); }
.site-footer__links a:hover { color: #fff; }
.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: var(--space-6);
  font-size: var(--size-caption);
  color: rgba(255,255,255,0.5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
}

/* ==========================================================================
   WhatsApp floating CTA
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 200;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-default);
}
.whatsapp-float:hover { background: var(--color-whatsapp-hover); transform: translateY(-2px); }
.whatsapp-float svg { width: 28px; height: 28px; }

/* ==========================================================================
   Secondary-page hero (About, Services, Contact — lighter than Home's hero)
   ========================================================================== */
.page-hero { padding: var(--space-24) 0 var(--space-16); background: var(--color-bg); }
@media (min-width: 768px) { .page-hero { padding: var(--space-32) 0 var(--space-16); } }
.page-hero__content { max-width: 720px; }
.page-hero h1 { font-size: var(--size-h1); font-weight: 700; line-height: 1.2; }
.page-hero__body {
  font-size: var(--size-body-lg);
  color: var(--color-text-secondary);
  margin-top: var(--space-6);
  line-height: 1.75;
}

/* ==========================================================================
   Methodology flow diagram
   ========================================================================== */
.methodology {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 900px) {
  .methodology { grid-template-columns: repeat(6, 1fr); gap: var(--space-4); }
}
.methodology__step {
  position: relative;
  padding: 0 0 var(--space-8) var(--space-8);
  border-left: 2px solid var(--color-border);
}
.methodology__step:last-child { border-left: 2px solid transparent; padding-bottom: 0; }
@media (min-width: 900px) {
  .methodology__step {
    padding: var(--space-8) var(--space-4) 0 0;
    border-left: none;
    border-top: 2px solid var(--color-border);
  }
  .methodology__step:last-child { border-top: 2px solid transparent; }
}
.methodology__number {
  position: absolute;
  left: -15px;
  top: -2px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-secondary);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--size-body-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (min-width: 900px) {
  .methodology__number { left: -2px; top: -15px; }
}
.methodology__step h3 { font-size: var(--size-h4); font-weight: 600; margin-bottom: var(--space-2); }
.methodology__step p { font-size: var(--size-body-sm); color: var(--color-text-secondary); line-height: 1.6; }

/* ==========================================================================
   Reusable dark centered proof/text block (About Proof section, etc.)
   ========================================================================== */
.proof-block { max-width: 720px; margin: 0 auto; text-align: center; }
.proof-block p { color: rgba(255,255,255,0.78); font-size: var(--size-body-lg); line-height: 1.75; margin-top: var(--space-4); }

/* ==========================================================================
   Simple centered CTA block (About/Services closing CTA)
   ========================================================================== */
.cta-block { text-align: center; }
.cta-block h2 { margin-bottom: var(--space-8); }

/* ==========================================================================
   System cards (Services page)
   ========================================================================== */
.systems-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 640px) { .systems-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-8); } }
@media (min-width: 1024px) { .systems-grid { grid-template-columns: repeat(3, 1fr); } }
.system-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  transition: var(--transition-default);
}
.system-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.system-card__icon {
  width: 32px;
  height: 32px;
  color: var(--color-secondary);
  margin-bottom: var(--space-4);
}
.system-card h3 { font-size: var(--size-h4); font-weight: 600; margin-bottom: var(--space-3); }
.system-card p { font-size: var(--size-body-sm); color: var(--color-text-secondary); line-height: 1.65; }

/* Methodology dark-background variant (Services page "How It Works") */
.methodology--dark .methodology__step { border-color: rgba(255,255,255,0.2); }
.methodology--dark .methodology__step h3 { color: #fff; }
.methodology--dark .methodology__step p { color: rgba(255,255,255,0.65); }

/* ==========================================================================
   Contact page — CTA row (primary WhatsApp + secondary mail link)
   ========================================================================== */
.contact-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
}
.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn--secondary:hover { background: var(--color-bg); }
.mail-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--size-body);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2px;
  transition: var(--transition-hover);
}
.mail-link:hover { color: var(--color-secondary); border-color: var(--color-secondary); }
.mail-link svg { width: 18px; height: 18px; }

/* ==========================================================================
   Contact form
   ========================================================================== */
.contact-form { max-width: 560px; }
.form-field { margin-bottom: var(--space-6); }
.form-label {
  display: block;
  font-size: var(--size-body-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
  font-weight: 500;
}
.form-input,
.form-textarea {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--size-body);
  color: var(--color-text-primary);
  transition: var(--transition-hover);
}
.form-textarea { min-height: 140px; resize: vertical; }
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(23,105,170,0.15);
}
.form-banner {
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-8);
  font-size: var(--size-body-sm);
}
.form-banner--success { background: rgba(30,142,90,0.1); color: var(--color-success); border: 1px solid var(--color-success); }
.form-banner--error { background: rgba(192,57,43,0.1); color: var(--color-error); border: 1px solid var(--color-error); }

/* ==========================================================================
   Archive grids (Blog/Insights, Case Studies)
   ========================================================================== */
.archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 640px) { .archive-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .archive-grid { grid-template-columns: repeat(3, 1fr); } }
.archive-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-default);
}
.archive-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.archive-card__thumb { aspect-ratio: 16/10; background: var(--color-bg); overflow: hidden; }
.archive-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.archive-card__body { padding: var(--space-6); }
.archive-card__meta { font-size: var(--size-caption); color: var(--color-text-secondary); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: var(--space-2); }
.archive-card h3 { font-size: var(--size-h4); font-weight: 600; margin-bottom: var(--space-2); }
.archive-card p { font-size: var(--size-body-sm); color: var(--color-text-secondary); line-height: 1.6; }
.archive-empty {
  text-align: center;
  padding: var(--space-16) var(--space-6);
  color: var(--color-text-secondary);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
}

/* ==========================================================================
   TEMP content marker (dev-visible only, not a user-facing style)
   ========================================================================== */
[data-temp="true"] { position: relative; }