/* =========================================================
   Vision4Insights — Stylesheet
   Research. Insights. Growth.
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  --color-primary: #0B1F3A;
  --color-primary-light: #14305A;
  --color-secondary: #4DA6FF;
  --color-secondary-dark: #2C84DB;
  --color-white: #FFFFFF;
  --color-light-gray: #F5F7FA;
  --color-border: #E3E8EF;
  --color-text: #1C2733;
  --color-text-muted: #5B6B7E;
  --color-success: #1FAE7C;

  --font-display: 'Sora', 'Segoe UI', Arial, sans-serif;
  --font-body: 'Inter', 'Segoe UI', Arial, sans-serif;

  --container-width: 1240px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 10px rgba(11, 31, 58, 0.06);
  --shadow-md: 0 10px 30px rgba(11, 31, 58, 0.10);
  --shadow-lg: 0 20px 60px rgba(11, 31, 58, 0.18);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  color-scheme: light;
}

[data-theme="dark"] {
  --color-primary: #0B1F3A;
  --color-white: #0F2238;
  --color-light-gray: #0A1830;
  --color-border: #213A5C;
  --color-text: #E7EEF7;
  --color-text-muted: #9FB3CC;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.55);
  color-scheme: dark;
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 1rem; }
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
section { position: relative; }
:focus-visible { outline: 3px solid var(--color-secondary); outline-offset: 2px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-primary);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}
[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3, [data-theme="dark"] h4 {
  color: var(--color-white);
}
p { color: var(--color-text-muted); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-secondary-dark);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--color-secondary);
  display: inline-block;
}
.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); margin-bottom: 14px; }
.section-head p { font-size: 1.05rem; }

.section-pad { padding: 96px 0; }
.bg-light { background: var(--color-light-gray); }
.bg-primary { background: var(--color-primary); color: rgba(255,255,255,0.88); }
.bg-primary h2, .bg-primary h3, .bg-primary h4 { color: var(--color-white); }
.bg-primary p { color: rgba(255,255,255,0.72); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-secondary);
  color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(77, 166, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(77, 166, 255, 0.45); }
.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.4);
  color: var(--color-white);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.btn-dark {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-dark:hover { background: var(--color-primary-light); transform: translateY(-2px); }
.btn-block { width: 100%; }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

/* ---------- Preloader ---------- */
#preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
#preloader.loaded { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-mark {
  display: flex; flex-direction: column; align-items: center; gap: 18px;
}
.loader-ring {
  width: 54px; height: 54px;
  border: 3px solid rgba(77,166,255,0.25);
  border-top-color: var(--color-secondary);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
.loader-mark span {
  font-family: var(--font-display);
  color: var(--color-white);
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  text-transform: uppercase;
  opacity: 0.7;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-header.scrolled {
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  padding: 12px 0;
}
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; }
.logo-mark {
  width: 38px; height: 38px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 1rem; letter-spacing: -0.03em;
  flex-shrink: 0;
}
.logo-text { color: var(--color-white); transition: color var(--transition); }
.site-header.scrolled .logo-text { color: var(--color-primary); }
[data-theme="dark"] .site-header.scrolled .logo-text { color: var(--color-white); }
.logo-text small { display: block; font-family: var(--font-body); font-weight: 500; font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-secondary); }

.main-nav { display: flex; align-items: center; gap: 36px; }
.main-nav a {
  font-family: var(--font-display);
  font-size: 0.92rem; font-weight: 600;
  color: rgba(255,255,255,0.85);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition);
}
.site-header.scrolled .main-nav a { color: var(--color-text); }
[data-theme="dark"] .site-header.scrolled .main-nav a { color: var(--color-text); }
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--color-secondary); transition: width var(--transition);
}
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.main-nav a.active { color: var(--color-secondary-dark); }
.site-header:not(.scrolled) .main-nav a.active { color: var(--color-secondary); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-social { display: flex; align-items: center; gap: 8px; }
.header-social a {
  width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.12); color: #fff;
  transition: background var(--transition), color var(--transition);
}
.site-header.scrolled .header-social a { background: var(--color-light-gray); color: var(--color-primary); }
[data-theme="dark"] .site-header.scrolled .header-social a { background: rgba(255,255,255,0.08); color: var(--color-white); }
.header-social a:hover { background: var(--color-secondary); color: #07142A; }
.header-social svg { width: 15px; height: 15px; }
@media (max-width: 1180px) { .header-social { display: none; } }
.theme-toggle {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.12);
  color: #fff;
  transition: background var(--transition), color var(--transition);
}
.site-header.scrolled .theme-toggle { background: var(--color-light-gray); color: var(--color-primary); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

.hamburger {
  display: none; flex-direction: column; gap: 5px; width: 28px; z-index: 1100;
}
.hamburger span { height: 2px; width: 100%; background: #fff; border-radius: 2px; transition: var(--transition); }
.site-header.scrolled .hamburger span { background: var(--color-primary); }
[data-theme="dark"] .site-header.scrolled .hamburger span { background: var(--color-white); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  background: radial-gradient(ellipse at 20% 20%, #14305A 0%, #0B1F3A 55%, #07142A 100%);
  overflow: hidden;
  padding-top: 110px;
}
.hero-map {
  position: absolute; inset: 0; z-index: 0; opacity: 0.55;
}
.hero-map svg { width: 100%; height: 100%; }
.hero-map .dot { fill: var(--color-secondary); opacity: 0.55; }
.hero-map .pulse { animation: pulseDot 3.2s ease-in-out infinite; }
.hero-map .pulse:nth-child(odd) { animation-delay: 0.6s; }
.hero-map .pulse:nth-child(3n) { animation-delay: 1.4s; }
.hero-map .route { stroke: var(--color-secondary); stroke-width: 1; fill: none; opacity: 0.25; stroke-dasharray: 4 6; animation: dash 30s linear infinite; }
@keyframes pulseDot {
  0%, 100% { r: 2.2; opacity: 0.5; }
  50% { r: 4.2; opacity: 0.95; }
}
@keyframes dash { to { stroke-dashoffset: -400; } }
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,31,58,0.1) 0%, rgba(11,31,58,0.55) 80%, #0B1F3A 100%);
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero-content .eyebrow { color: var(--color-secondary); }
.hero-content h1 {
  color: #fff;
  font-size: clamp(2.4rem, 5.2vw, 4rem);
  margin-bottom: 22px;
}
.hero-content h1 span { color: var(--color-secondary); }
.hero-content p {
  color: rgba(255,255,255,0.78);
  font-size: 1.15rem;
  max-width: 620px;
  margin-bottom: 36px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, auto);
  gap: 40px;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 28px;
  max-width: 680px;
}
.hero-stats .stat-num { font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; color: #fff; }
.hero-stats .stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.6); letter-spacing: 0.04em; }
.scroll-cue {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  z-index: 2; color: rgba(255,255,255,0.55);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase;
}
.scroll-cue .line { width: 1px; height: 26px; background: rgba(255,255,255,0.35); position: relative; overflow: hidden; }
.scroll-cue .line::after {
  content: ""; position: absolute; top: -100%; left: 0; width: 100%; height: 100%;
  background: var(--color-secondary); animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine { 50% { top: 100%; } 100% { top: 100%; } }

/* ---------- Page Hero (sub pages) ---------- */
.page-hero {
  padding: 168px 0 90px;
  background: radial-gradient(ellipse at 80% 0%, #14305A 0%, #0B1F3A 60%, #07142A 100%);
  position: relative; overflow: hidden;
}
.page-hero .hero-map { opacity: 0.35; }
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb { display: flex; gap: 8px; align-items: center; color: rgba(255,255,255,0.55); font-size: 0.85rem; margin-bottom: 18px; }
.breadcrumb a { color: rgba(255,255,255,0.75); }
.breadcrumb a:hover { color: var(--color-secondary); }
.page-hero h1 { color: #fff; font-size: clamp(2.1rem, 4vw, 3.2rem); max-width: 760px; }
.page-hero p.lead { color: rgba(255,255,255,0.72); max-width: 620px; margin-top: 16px; font-size: 1.08rem; }

/* ---------- Services Overview (home) ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 34px 30px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--color-secondary); }
.service-icon {
  width: 54px; height: 54px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(77,166,255,0.18), rgba(11,31,58,0.06));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px; color: var(--color-secondary-dark);
}
.service-icon svg { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.service-card p { font-size: 0.95rem; margin-bottom: 16px; }
.service-card .card-link { font-family: var(--font-display); font-weight: 600; font-size: 0.88rem; color: var(--color-secondary-dark); display: inline-flex; align-items: center; gap: 6px; }
.service-card .card-link svg { width: 14px; height: 14px; transition: transform var(--transition); }
.service-card:hover .card-link svg { transform: translateX(4px); }

/* ---------- Stats Counter ---------- */
.stats-strip {
  background: var(--color-primary);
  background-image: linear-gradient(120deg, #0B1F3A 0%, #102B4E 100%);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-block .counter { font-family: var(--font-display); font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 700; color: var(--color-secondary); }
.stat-block .stat-text { color: rgba(255,255,255,0.7); font-size: 0.92rem; margin-top: 8px; letter-spacing: 0.01em; }
.stat-block { border-right: 1px solid rgba(255,255,255,0.12); }
.stat-block:last-child { border-right: none; }

/* ---------- Industries ---------- */
.industries-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.industry-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 30px 22px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.industry-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.industry-icon {
  width: 56px; height: 56px; margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--color-light-gray);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
}
.industry-icon svg { width: 26px; height: 26px; }
.industry-card h4 { font-size: 1rem; margin-bottom: 6px; }
.industry-card p { font-size: 0.85rem; }

/* ---------- Why Choose Us ---------- */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.why-visual {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(135deg, #0B1F3A, #1B3A5C);
  min-height: 420px;
  display: flex; align-items: center; justify-content: center;
}
.why-visual .orbit-art { width: 80%; }
.why-list { display: flex; flex-direction: column; gap: 26px; }
.why-item { display: flex; gap: 18px; }
.why-item .num {
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--color-light-gray); color: var(--color-secondary-dark);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.why-item h4 { font-size: 1.08rem; margin-bottom: 6px; }
.why-item p { font-size: 0.94rem; }

/* ---------- Testimonials ---------- */
.testimonial-wrap { max-width: 820px; margin: 0 auto; position: relative; }
.testimonial-slide {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  display: none;
}
.testimonial-slide.active { display: block; animation: fadeUp 0.6s ease; }
.testimonial-quote-icon { color: var(--color-secondary); margin-bottom: 18px; }
.testimonial-quote-icon svg { width: 36px; height: 36px; }
.testimonial-slide p.quote { font-size: 1.18rem; color: var(--color-text); font-style: italic; margin-bottom: 28px; }
.testimonial-author { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.author-avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; margin-bottom: 10px;
}
.author-name { font-family: var(--font-display); font-weight: 700; font-size: 0.98rem; color: var(--color-primary); }
[data-theme="dark"] .author-name { color: var(--color-white); }
.author-role { font-size: 0.84rem; color: var(--color-text-muted); }
.testimonial-dots { display: flex; gap: 8px; justify-content: center; margin-top: 28px; }
.testimonial-dots button { width: 10px; height: 10px; border-radius: 50%; background: var(--color-border); transition: var(--transition); }
.testimonial-dots button.active { background: var(--color-secondary); width: 26px; border-radius: 6px; }
.testimonial-arrows { display: flex; justify-content: space-between; position: absolute; top: 50%; left: -56px; right: -56px; transform: translateY(-50%); pointer-events: none; }
.testimonial-arrows button {
  pointer-events: all; width: 46px; height: 46px; border-radius: 50%;
  background: var(--color-white); border: 1px solid var(--color-border); box-shadow: var(--shadow-sm);
  display: flex; align-items: center; justify-content: center; color: var(--color-primary);
  transition: var(--transition);
}
.testimonial-arrows button:hover { background: var(--color-secondary); color: #fff; }
.testimonial-arrows svg { width: 18px; height: 18px; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 24px 4px; text-align: left; font-family: var(--font-display); font-weight: 600;
  font-size: 1.02rem; color: var(--color-primary);
}
[data-theme="dark"] .faq-question { color: var(--color-white); }
.faq-question .plus { width: 22px; height: 22px; position: relative; flex-shrink: 0; margin-left: 20px; }
.faq-question .plus::before, .faq-question .plus::after {
  content: ""; position: absolute; background: var(--color-secondary-dark); transition: transform var(--transition);
}
.faq-question .plus::before { width: 100%; height: 2px; top: 50%; left: 0; transform: translateY(-50%); }
.faq-question .plus::after { width: 2px; height: 100%; left: 50%; top: 0; transform: translateX(-50%); }
.faq-item.open .faq-question .plus::after { transform: translateX(-50%) rotate(90deg) scale(0); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer p { padding: 0 4px 24px; font-size: 0.96rem; }
.faq-item.open .faq-answer { max-height: 300px; }

/* ---------- Newsletter ---------- */
.newsletter-box {
  background: linear-gradient(120deg, #0B1F3A, #1B3A5C);
  border-radius: var(--radius-lg);
  padding: 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
}
.newsletter-box h3 { color: #fff; font-size: 1.5rem; margin-bottom: 8px; }
.newsletter-box p { color: rgba(255,255,255,0.65); max-width: 420px; }
.newsletter-form { display: flex; gap: 12px; flex: 1; min-width: 320px; max-width: 460px; }
.newsletter-form input {
  flex: 1; padding: 14px 18px; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08); color: #fff;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.5); }
.form-msg { font-size: 0.85rem; margin-top: 10px; }
.form-msg.success { color: var(--color-success); }
.form-msg.error { color: #FF8A8A; }

/* ---------- Contact (home strip) ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; }
.contact-info-list { display: flex; flex-direction: column; gap: 24px; margin-top: 28px; }
.contact-info-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-info-item .icon-box {
  width: 46px; height: 46px; border-radius: var(--radius-sm); flex-shrink: 0;
  background: var(--color-light-gray); display: flex; align-items: center; justify-content: center; color: var(--color-secondary-dark);
}
.contact-info-item .icon-box svg { width: 20px; height: 20px; }
.contact-info-item h4 { font-size: 0.98rem; margin-bottom: 3px; }
.contact-info-item p, .contact-info-item a { font-size: 0.92rem; }
.social-row { display: flex; gap: 12px; margin-top: 24px; }
.social-row a {
  width: 40px; height: 40px; border-radius: 50%; background: var(--color-light-gray);
  display: flex; align-items: center; justify-content: center; color: var(--color-primary);
  transition: var(--transition);
}
.social-row a:hover { background: var(--color-secondary); color: #fff; }
.social-row svg { width: 18px; height: 18px; }

.contact-form-card {
  background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 40px; box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; position: relative; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--color-primary); margin-bottom: 7px; font-family: var(--font-display); }
[data-theme="dark"] .form-group label { color: var(--color-white); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 13px 16px; border-radius: var(--radius-sm); border: 1.5px solid var(--color-border);
  background: var(--color-light-gray); color: var(--color-text); transition: border-color var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--color-secondary); outline: none; }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-error { font-size: 0.78rem; color: #E0524C; margin-top: 5px; display: none; }
.form-group.invalid input, .form-group.invalid textarea, .form-group.invalid select { border-color: #E0524C; }
.form-group.invalid .form-error { display: block; }
.form-success-banner {
  display: none; background: rgba(31,174,124,0.12); border: 1px solid var(--color-success); color: var(--color-success);
  padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 0.9rem; font-weight: 600;
}
.form-success-banner.show { display: block; }

/* ---------- Map ---------- */
.map-frame { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); }
.map-frame iframe { width: 100%; height: 420px; border: 0; display: block; filter: grayscale(0.15) contrast(1.05); }

/* ---------- Footer ---------- */
.site-footer { background: #07142A; color: rgba(255,255,255,0.6); padding: 80px 0 0; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { margin: 18px 0 22px; max-width: 320px; font-size: 0.92rem; }
.footer-col h5 { color: #fff; font-family: var(--font-display); font-size: 0.95rem; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 0.92rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--color-secondary); }
.footer-contact li { display: flex; gap: 10px; font-size: 0.9rem; margin-bottom: 14px; align-items: flex-start; }
.footer-contact svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 3px; color: var(--color-secondary); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 26px 0; flex-wrap: wrap; gap: 12px; font-size: 0.84rem; }
.footer-bottom .legal-links { display: flex; gap: 22px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.footer-social a:hover { background: var(--color-secondary); color: #07142A; }
.footer-social svg { width: 16px; height: 16px; }

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed; bottom: 28px; right: 28px; width: 48px; height: 48px; border-radius: 50%;
  background: var(--color-secondary); color: var(--color-primary); display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md); opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: var(--transition); z-index: 900;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top svg { width: 20px; height: 20px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal-delay-1.in-view { transition-delay: 0.1s; }
.reveal-delay-2.in-view { transition-delay: 0.2s; }
.reveal-delay-3.in-view { transition-delay: 0.3s; }
.reveal-delay-4.in-view { transition-delay: 0.4s; }

/* ---------- About page ---------- */
.mission-vision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.mv-card {
  padding: 40px; border-radius: var(--radius-lg); background: var(--color-white);
  border: 1px solid var(--color-border);
}
.mv-card .service-icon { margin-bottom: 24px; }
.mv-card h3 { font-size: 1.3rem; margin-bottom: 14px; }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.value-card { text-align: center; padding: 30px 18px; }
.value-card .service-icon { margin: 0 auto 18px; }
.value-card h4 { font-size: 1.02rem; margin-bottom: 8px; }
.value-card p { font-size: 0.88rem; }

.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.team-card { text-align: center; }
.team-photo {
  width: 100%; aspect-ratio: 1; border-radius: var(--radius-md); margin-bottom: 18px; overflow: hidden;
  display: flex; align-items: center; justify-content: center; font-family: var(--font-display);
  font-size: 2rem; font-weight: 700; color: #fff;
}
.team-card h4 { font-size: 1.05rem; margin-bottom: 4px; }
.team-card .role { color: var(--color-secondary-dark); font-size: 0.85rem; font-weight: 600; font-family: var(--font-display); margin-bottom: 10px; }
.team-card p.bio { font-size: 0.86rem; }

.timeline { position: relative; max-width: 880px; margin: 0 auto; padding-left: 40px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: var(--color-border); }
.timeline-item { position: relative; padding-bottom: 44px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -40px; top: 4px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--color-white); border: 3px solid var(--color-secondary);
}
.timeline-year { font-family: var(--font-display); font-weight: 700; color: var(--color-secondary-dark); font-size: 0.95rem; margin-bottom: 6px; }
.timeline-item h4 { font-size: 1.08rem; margin-bottom: 6px; }
.timeline-item p { font-size: 0.92rem; }

/* ---------- Services page ---------- */
.service-detail {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
  padding: 70px 0; border-bottom: 1px solid var(--color-border);
}
.service-detail:last-child { border-bottom: none; }
.service-detail.reverse .service-detail-media { order: 2; }
.service-detail-media {
  border-radius: var(--radius-lg); min-height: 340px;
  background: linear-gradient(135deg, var(--color-light-gray), #E5EDF7);
  display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden;
}
[data-theme="dark"] .service-detail-media { background: linear-gradient(135deg, #102B4E, #0B1F3A); }
.service-detail-media svg { width: 56%; }
.service-detail-text .eyebrow { margin-bottom: 12px; }
.service-detail-text h3 { font-size: 1.7rem; margin-bottom: 16px; }
.service-detail-text ul { display: flex; flex-direction: column; gap: 10px; margin: 20px 0 24px; }
.service-detail-text ul li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem; color: var(--color-text); }
.service-detail-text ul li svg { width: 18px; height: 18px; color: var(--color-success); flex-shrink: 0; margin-top: 2px; }

/* ---------- Industries page ---------- */
.industry-detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.industry-detail-card {
  background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 36px; display: flex; gap: 22px;
}
.industry-detail-card .industry-icon { flex-shrink: 0; width: 60px; height: 60px; }
.industry-detail-card .industry-icon svg { width: 28px; height: 28px; }
.industry-detail-card h3 { font-size: 1.18rem; margin-bottom: 8px; }
.industry-detail-card p { font-size: 0.93rem; }

/* ---------- Case Studies page ---------- */
.filter-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn {
  padding: 10px 20px; border-radius: 30px; border: 1px solid var(--color-border); font-family: var(--font-display);
  font-size: 0.85rem; font-weight: 600; color: var(--color-text-muted); transition: var(--transition);
}
.filter-btn.active, .filter-btn:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card {
  background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  overflow: hidden; transition: var(--transition); display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-media {
  height: 190px; display: flex; align-items: center; justify-content: center; position: relative;
  background: linear-gradient(135deg, var(--color-primary), #1B3A5C);
}
.case-media svg { width: 50%; opacity: 0.85; }
.case-tag {
  position: absolute; top: 16px; left: 16px; background: rgba(255,255,255,0.16); color: #fff; backdrop-filter: blur(4px);
  font-size: 0.72rem; font-family: var(--font-display); font-weight: 700; padding: 6px 12px; border-radius: 20px; letter-spacing: 0.04em;
}
.case-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.case-body h3 { font-size: 1.12rem; margin-bottom: 10px; }
.case-body p { font-size: 0.9rem; flex: 1; margin-bottom: 18px; }
.case-stats-row { display: flex; gap: 18px; margin-bottom: 18px; }
.case-stats-row .mini-stat strong { display: block; color: var(--color-secondary-dark); font-family: var(--font-display); font-size: 1.1rem; }
.case-stats-row .mini-stat span { font-size: 0.74rem; color: var(--color-text-muted); }
.case-actions { display: flex; gap: 10px; }
.case-actions .btn { flex: 1; padding: 10px 16px; font-size: 0.84rem; }

/* ---------- Misc Pages CTA ---------- */
.cta-banner {
  background: linear-gradient(120deg, #0B1F3A, #173357);
  border-radius: var(--radius-lg); padding: 64px; text-align: center; position: relative; overflow: hidden;
}
.cta-banner h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 14px; }
.cta-banner p { color: rgba(255,255,255,0.7); max-width: 540px; margin: 0 auto 30px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- Process strip (services) ---------- */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-card { position: relative; padding: 30px 24px; background: var(--color-white); border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.process-num { font-family: var(--font-display); font-size: 2.2rem; font-weight: 800; color: var(--color-secondary); opacity: 0.35; margin-bottom: 10px; }
.process-card h4 { font-size: 1.02rem; margin-bottom: 8px; }
.process-card p { font-size: 0.88rem; }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .main-nav { gap: 22px; }
}

@media (max-width: 1080px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-detail-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .main-nav { position: fixed; top: 0; right: -100%; height: 100vh; width: min(320px, 80vw);
    background: var(--color-primary); flex-direction: column; align-items: flex-start; justify-content: flex-start;
    padding: 110px 32px 32px; gap: 26px; transition: right 0.4s ease; box-shadow: var(--shadow-lg); }
  .main-nav.open { right: 0; }
  .main-nav a { color: #fff !important; font-size: 1.05rem; }
  .hamburger { display: flex; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); row-gap: 24px; }
  .mission-vision-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .service-detail { grid-template-columns: 1fr; padding: 50px 0; }
  .service-detail.reverse .service-detail-media { order: 0; }
}

@media (max-width: 700px) {
  .section-pad { padding: 64px 0; }
  .services-grid, .industries-grid, .values-grid, .team-grid, .case-grid, .process-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stat-block { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.12); padding-bottom: 18px; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .newsletter-box { padding: 36px 28px; flex-direction: column; align-items: flex-start; }
  .newsletter-form { width: 100%; }
  .form-row { grid-template-columns: 1fr; }
  .testimonial-arrows { display: none; }
  .testimonial-slide { padding: 32px 24px; }
  .cta-banner { padding: 42px 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ---------- Join Our Panel page ---------- */
.trust-badges { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.trust-badge {
  display: flex; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.88); font-size: 0.82rem; font-family: var(--font-display); font-weight: 600;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14);
  padding: 10px 16px; border-radius: 30px;
}
.trust-badge svg { width: 16px; height: 16px; color: var(--color-secondary); flex-shrink: 0; }

.checkbox-group { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 8px; }
.checkbox-item {
  display: flex; align-items: center; gap: 9px; font-size: 0.92rem; color: var(--color-text); cursor: pointer;
}
.checkbox-item input[type="checkbox"] {
  width: 17px; height: 17px; accent-color: var(--color-secondary); flex-shrink: 0; cursor: pointer;
}
.consent-row {
  display: flex; align-items: flex-start; gap: 10px; margin: 6px 0 20px; font-size: 0.88rem; color: var(--color-text-muted);
}
.consent-row input[type="checkbox"] { width: 17px; height: 17px; accent-color: var(--color-secondary); flex-shrink: 0; margin-top: 2px; cursor: pointer; }
.consent-row a { color: var(--color-secondary-dark); font-weight: 600; }
.consent-row a:hover { text-decoration: underline; }
.form-group.invalid .consent-row,
.consent-row.invalid { color: #E0524C; }

.privacy-note {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--color-light-gray); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 22px 26px; margin-top: 40px;
}
.privacy-note .icon-box { flex-shrink: 0; }
.privacy-note p { font-size: 0.9rem; margin: 0; }
.privacy-note a { color: var(--color-secondary-dark); font-weight: 600; }
.privacy-note a:hover { text-decoration: underline; }

@media (max-width: 700px) {
  .privacy-note { flex-direction: column; padding: 20px; }
}