/*
Theme Name: OccuBOX IoT
Theme URI: https://occubox.com
Author: OccuBOX
Author URI: https://occubox.com
Description: A modern IoT Telecom solutions theme for OccuBOX - featuring smart city connectivity, innovative design with dark navy and electric blue palette.
Version: 1.0.0
Requires at least: 5.8
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: occubox
Tags: one-page, business, technology, iot, telecom, dark, blue, responsive
*/

/* ============================================================
   CSS VARIABLES
   ============================================================ */
:root {
  --color-navy:       #0a1628;
  --color-navy-mid:   #0d1f3c;
  --color-navy-light: #132347;
  --color-blue:       #1a6cf5;
  --color-blue-light: #3d85f7;
  --color-blue-dark:  #1258d4;
  --color-white:      #ffffff;
  --color-off-white:  #f4f7fc;
  --color-text:       #1a1a2e;
  --color-text-light: #5a6a8a;
  --color-border:     #e0e8f5;
  --color-check:      #1a6cf5;

  --font-display:  'Barlow Condensed', sans-serif;
  --font-heading:  'Barlow', sans-serif;
  --font-body:     'Barlow', sans-serif;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  20px;

  --shadow-card: 0 4px 24px rgba(10,22,40,0.10);
  --shadow-btn:  0 4px 16px rgba(26,108,245,0.35);

  --transition: all 0.25s ease;
  --max-width: 1200px;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-blue); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-blue-dark); }

ul { list-style: none; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-navy);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }

p { margin-bottom: 1rem; color: var(--color-text-light); font-size: 1rem; }

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

.section { padding: 80px 0; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--color-blue);
  color: var(--color-white);
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  background: var(--color-blue-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(26,108,245,0.45);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.7);
}
.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-blue);
}

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
#masthead {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background 0.35s ease, box-shadow 0.35s ease;
  padding: 0;
}

#masthead.scrolled {
  background: var(--color-navy);
  box-shadow: 0 2px 20px rgba(0,0,0,0.35);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Logo */
.site-branding .site-title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-white);
  margin: 0;
  text-decoration: none;
}

.site-branding .site-title .logo-occu { color: var(--color-white); }
.site-branding .site-title .logo-box  { color: var(--color-blue); }

/* Nav */
.main-navigation {
  display: flex;
  align-items: center;
  gap: 12px;
}

.main-navigation ul {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}

.main-navigation ul li a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.main-navigation ul li a:hover {
  color: var(--color-white);
  background: rgba(255,255,255,0.1);
}

.nav-cta { margin-left: 12px; }

/* Mobile hamburger */
.menu-toggle {
  display: none;
  background: none;
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  cursor: pointer;
  color: var(--color-white);
  font-size: 1.1rem;
  transition: var(--transition);
}
.menu-toggle:hover { background: rgba(255,255,255,0.1); }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-navy);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,22,40,0.92) 0%,
    rgba(10,22,40,0.70) 50%,
    rgba(10,22,40,0.50) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
  padding-top: 72px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(26,108,245,0.18);
  border: 1px solid rgba(26,108,245,0.4);
  color: var(--color-blue-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--color-blue-light);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero-title {
  color: var(--color-white);
  margin-bottom: 20px;
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-title span { color: var(--color-blue-light); }

.hero-subtitle {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  margin-bottom: 36px;
  line-height: 1.65;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 52px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.hero-stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
}

.hero-stat-number span { color: var(--color-blue-light); }

.hero-stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
  margin-bottom: 0;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-section {
  background: var(--color-white);
  padding: 100px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-label {
  display: inline-block;
  color: var(--color-blue);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.about-title {
  margin-bottom: 10px;
  color: var(--color-navy);
}

.about-title .highlight { color: var(--color-blue); }

.about-tagline {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 16px;
}

.about-description {
  color: var(--color-text-light);
  margin-bottom: 28px;
  font-size: 0.97rem;
  line-height: 1.75;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.feature-check {
  width: 22px; height: 22px;
  background: var(--color-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-check svg {
  width: 12px; height: 12px;
  stroke: white;
  stroke-width: 2.5;
  fill: none;
}

.feature-text {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.5;
  margin: 0;
}

.feature-text strong { color: var(--color-navy); }

.about-image-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 5/4;
  box-shadow: 0 24px 64px rgba(10,22,40,0.18);
}

.about-image-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.about-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,22,40,0.1) 0%,
    rgba(26,108,245,0.15) 100%
  );
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-section {
  background: var(--color-off-white);
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 56px;
}

.section-label {
  display: inline-block;
  color: var(--color-blue);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 16px;
  color: var(--color-navy);
}

.section-title .highlight { color: var(--color-blue); }

.section-desc {
  color: var(--color-text-light);
  font-size: 1rem;
  margin: 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-blue-light));
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(10,22,40,0.14);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(26,108,245,0.12), rgba(26,108,245,0.06));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border: 1px solid rgba(26,108,245,0.2);
}

.service-icon svg {
  width: 26px; height: 26px;
  stroke: var(--color-blue);
  fill: none;
  stroke-width: 1.8;
}

.service-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 10px;
}

.service-desc {
  color: var(--color-text-light);
  font-size: 0.92rem;
  line-height: 1.65;
  margin: 0;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-section {
  background: var(--color-off-white);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  bottom: -120px; left: -120px;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(26,108,245,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 72px;
  align-items: start;
}

.contact-label {
  display: inline-block;
  color: var(--color-blue);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.contact-title {
  margin-bottom: 16px;
  color: var(--color-navy);
}

.contact-desc {
  color: var(--color-text-light);
  font-size: 0.97rem;
  line-height: 1.75;
  margin-bottom: 36px;
}

.contact-form-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: 0 12px 40px rgba(10,22,40,0.10);
  border: 1px solid var(--color-border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group { display: flex; flex-direction: column; }

.form-control {
  padding: 14px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.93rem;
  color: var(--color-navy);
  background: var(--color-off-white);
  transition: var(--transition);
  outline: none;
  resize: vertical;
}

.form-control::placeholder { color: #a0aec0; }

.form-control:focus {
  border-color: var(--color-blue);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(26,108,245,0.12);
}

.form-control.full-width { width: 100%; margin-bottom: 16px; }

textarea.form-control { min-height: 120px; }

.btn-submit {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 1rem;
  border-radius: var(--radius-md);
  margin-top: 4px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.7);
}

.footer-main {
  padding: 52px 0 36px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-white);
  display: inline-block;
  margin-bottom: 14px;
}

.footer-logo .logo-box { color: var(--color-blue); }

.footer-tagline {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 0;
}

.footer-col-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white);
  margin-bottom: 18px;
}

.footer-links { display: flex; flex-direction: column; gap: 10px; }

.footer-links a {
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--color-white); padding-left: 4px; }

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  margin: 0;
}

.footer-contact-item svg {
  width: 16px; height: 16px;
  stroke: var(--color-blue);
  fill: none;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  padding: 22px 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  color: rgba(255,255,255,0.35);
  font-size: 0.82rem;
  margin: 0;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: white;
  transform: translateY(-2px);
}

/* ============================================================
   SKIP LINK (ACCESSIBILITY)
   ============================================================ */
.skip-link {
  position: absolute;
  top: -40px; left: 6px;
  background: var(--color-blue);
  color: white;
  padding: 8px 16px;
  border-radius: 0 0 4px 4px;
  z-index: 9999;
  font-size: 0.9rem;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-image-wrap { max-width: 560px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .menu-toggle { display: flex; }

  .main-navigation ul {
    display: none;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--color-navy);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  .main-navigation ul.toggled { display: flex; }
  .main-navigation ul li a { display: block; width: 100%; padding: 12px 16px; }
  .nav-cta { display: none; }

  .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }

  .hero-stats { gap: 24px; flex-wrap: wrap; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .btn { width: 100%; justify-content: center; }
}