/* VectorGuard Labs - Main Stylesheet */
:root {
  --vg-blue: #0066ff;
  --vg-blue-dark: #0052cc;
  --vg-red: #ff0000;
  --vg-red-soft: #ff3333;
  --vg-green: #00cc6a;
  --vg-green-bright: #00ff88;
  --vg-purple: #9c27b0;
  --vg-orange: #ff6600;
  --vg-dark: #1a1a2e;
  --vg-dark-alt: #16213e;
  --vg-white: #ffffff;
  --vg-black: #000000;
  --vg-gray-light: #f8f9fa;
  --vg-gray: #6c757d;
  --vg-text: #1a1a2e;
  --vg-font: 'Jost', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --vg-radius: 12px;
  --vg-radius-lg: 20px;
  --vg-shadow: 0 4px 6px rgba(0,0,0,0.07), 0 1px 3px rgba(0,0,0,0.05);
  --vg-shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --vg-transition: 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }


body {
  font-family: var(--vg-font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--vg-text);
  background: var(--vg-white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--vg-blue); text-decoration: none; transition: color var(--vg-transition); }
a:hover { color: var(--vg-blue-dark); }
ul, ol { list-style: none; }
h1,h2,h3,h4,h5,h6 { line-height: 1.2; font-weight: 700; }

/* Layout */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section--dark { background: var(--vg-dark); color: var(--vg-white); }
.section--light { background: var(--vg-gray-light); }
.section-title { font-size: 2.5rem; margin-bottom: 1rem; }
.section-subtitle { font-size: 1.15rem; color: var(--vg-gray); margin-bottom: 2.5rem; max-width: 750px; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }


/* Navbar */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(26,26,46,0.95); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); padding: 14px 0; transition: all var(--vg-transition); }
.navbar.scrolled { padding: 8px 0; box-shadow: var(--vg-shadow-lg); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; }
.navbar__brand { display: flex; align-items: center; gap: 10px; color: var(--vg-white); font-weight: 700; font-size: 1.1rem; }
.navbar__brand img { width: 32px; height: 32px; border-radius: 6px; }
.navbar__links { display: flex; align-items: center; gap: 28px; }
.navbar__links a { color: rgba(255,255,255,0.85); font-size: 0.9rem; font-weight: 500; transition: color var(--vg-transition); }
.navbar__links a:hover { color: var(--vg-white); }
.navbar__toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.navbar__toggle span { display: block; width: 22px; height: 2px; background: var(--vg-white); margin: 5px 0; transition: all var(--vg-transition); }

@media (max-width: 768px) {
  .navbar__toggle { display: block; }
  .navbar__links { position: fixed; top: 0; right: -100%; width: 260px; height: 100vh; background: var(--vg-dark); flex-direction: column; align-items: flex-start; padding: 80px 28px 28px; gap: 20px; transition: right var(--vg-transition); box-shadow: var(--vg-shadow-lg); }
  .navbar__links.active { right: 0; }
  .navbar__links a { font-size: 1.05rem; }
}


/* Hero */
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; background: linear-gradient(135deg, var(--vg-dark) 0%, var(--vg-dark-alt) 100%); color: var(--vg-white); padding: 120px 24px 80px; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(ellipse at center, rgba(0,102,255,0.08) 0%, transparent 70%); animation: pulse 8s ease-in-out infinite alternate; }
@keyframes pulse { 0% { transform: scale(1); opacity: 0.5; } 100% { transform: scale(1.1); opacity: 1; } }
.hero__content { position: relative; z-index: 1; max-width: 800px; }
.hero__logo { width: 120px; height: 120px; margin: 0 auto 32px; border-radius: 20px; }
.hero__title { font-size: 3rem; font-weight: 800; margin-bottom: 16px; line-height: 1.1; }
.hero__subtitle { font-size: 1.25rem; color: var(--vg-blue); font-weight: 600; margin-bottom: 24px; }
.hero__desc { font-size: 1.05rem; color: rgba(255,255,255,0.75); margin-bottom: 40px; line-height: 1.7; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 30px; border-radius: 8px; font-weight: 600; font-size: 1rem; border: 2px solid transparent; cursor: pointer; transition: all var(--vg-transition); text-decoration: none; gap: 8px; }
.btn--primary { background: var(--vg-blue); color: var(--vg-white); border-color: var(--vg-blue); }
.btn--primary:hover { background: var(--vg-blue-dark); border-color: var(--vg-blue-dark); color: var(--vg-white); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,102,255,0.3); }
.btn--outline { background: transparent; color: var(--vg-white); border-color: rgba(255,255,255,0.4); }
.btn--outline:hover { border-color: var(--vg-white); color: var(--vg-white); transform: translateY(-2px); }
.btn-group { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }


/* Grid & Cards */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--vg-white); border-radius: var(--vg-radius); padding: 28px; border: 1px solid rgba(0,0,0,0.08); transition: all var(--vg-transition); }
.card:hover { transform: translateY(-4px); box-shadow: var(--vg-shadow-lg); }
.card--accent-red { border-left: 4px solid var(--vg-red); }
.card--accent-blue { border-left: 4px solid var(--vg-blue); }
.card--accent-green { border-left: 4px solid var(--vg-green); }
.card--accent-purple { border-left: 4px solid var(--vg-purple); }
.card--accent-orange { border-left: 4px solid var(--vg-orange); }
.card__title { font-size: 1.1rem; margin-bottom: 10px; }
.card__text { font-size: 0.93rem; color: var(--vg-gray); line-height: 1.7; }

/* Framework Phases */
.framework-phases { display: grid; gap: 16px; margin-top: 32px; }
.framework-phase { background: var(--vg-gray-light); border-radius: var(--vg-radius); padding: 24px 28px; }
.framework-phase__header { font-weight: 700; color: var(--vg-blue); margin-bottom: 12px; font-size: 1rem; }
.framework-phase__items { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; }
.framework-phase__item { background: var(--vg-white); padding: 14px 18px; border-radius: 8px; font-size: 0.9rem; line-height: 1.5; color: #333; }


/* Phase Cards (Process) */
.phase-card { background: var(--vg-white); border-radius: var(--vg-radius-lg); padding: 36px; border: 2px solid rgba(0,0,0,0.06); position: relative; }
.phase-card__badge { display: inline-block; padding: 6px 16px; border-radius: 20px; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 20px; color: var(--vg-white); }
.phase-card__badge--red { background: var(--vg-red); }
.phase-card__badge--orange { background: var(--vg-orange); }
.phase-card__badge--green { background: var(--vg-green); }
.phase-card__title { font-size: 1.3rem; margin-bottom: 8px; }
.phase-card__duration { font-size: 0.9rem; color: var(--vg-gray); margin-bottom: 20px; font-weight: 600; }
.phase-card__list { list-style: none; }
.phase-card__list li { padding: 8px 0 8px 24px; position: relative; font-size: 0.93rem; line-height: 1.6; color: #333; }
.phase-card__list li::before { content: ''; position: absolute; left: 0; top: 16px; width: 8px; height: 8px; border-radius: 50%; background: var(--vg-blue); }

/* Steps */
.steps { counter-reset: step-counter; max-width: 700px; margin: 0 auto; }
.step { display: flex; gap: 24px; padding: 24px 0; border-bottom: 1px solid rgba(0,0,0,0.06); }
.step:last-child { border-bottom: none; }
.step__number { flex-shrink: 0; width: 48px; height: 48px; border-radius: 50%; background: var(--vg-blue); color: var(--vg-white); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.1rem; }
.step__content { flex: 1; }
.step__title { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.step__text { font-size: 0.93rem; color: var(--vg-gray); line-height: 1.6; }


/* Pricing Tiers */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; }
.pricing-card { background: var(--vg-white); border: 2px solid var(--vg-blue); border-radius: var(--vg-radius-lg); padding: 32px; transition: all var(--vg-transition); }
.pricing-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,102,255,0.15); }
.pricing-card--enterprise { border-color: var(--vg-red); }
.pricing-card__header { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 12px; padding-bottom: 16px; margin-bottom: 16px; border-bottom: 1px solid rgba(0,0,0,0.08); }
.pricing-card__title { font-size: 1.3rem; color: var(--vg-blue); font-weight: 700; }
.pricing-card__title--enterprise { color: var(--vg-red); }
.pricing-card__loc { font-size: 0.9rem; color: var(--vg-gray); margin-top: 4px; }
.pricing-card__price { font-size: 2.2rem; font-weight: 800; color: var(--vg-red); }
.pricing-card__duration { display: inline-block; background: rgba(0,204,106,0.15); color: #1a7a3a; padding: 4px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 700; margin-top: 6px; }
.pricing-card__features { list-style: none; margin: 16px 0; }
.pricing-card__features li { padding: 8px 0 8px 24px; position: relative; font-size: 0.9rem; line-height: 1.5; color: #333; border-bottom: 1px solid rgba(0,0,0,0.04); }
.pricing-card__features li:last-child { border-bottom: none; }
.pricing-card__features li::before { content: '\2713'; position: absolute; left: 0; color: var(--vg-green); font-weight: 700; }
.pricing-card__ideal { background: var(--vg-gray-light); padding: 14px 18px; border-radius: 8px; font-size: 0.88rem; color: #444; margin-top: 12px; }
.pricing-card__ideal strong { color: var(--vg-blue); }

/* Additional Services */
.addons { background: var(--vg-gray-light); border: 2px solid var(--vg-blue); border-radius: var(--vg-radius-lg); padding: 32px; margin-top: 32px; }
.addons__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin-top: 20px; }
.addon-item { background: var(--vg-white); padding: 24px; border-radius: var(--vg-radius); text-align: center; }
.addon-item__title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.addon-item__price { font-size: 1.6rem; font-weight: 800; color: var(--vg-red); margin-bottom: 4px; }
.addon-item__desc { font-size: 0.85rem; color: var(--vg-gray); line-height: 1.5; }


/* Research Cards */
.research-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.research-card { background: var(--vg-white); border-radius: var(--vg-radius-lg); overflow: hidden; box-shadow: var(--vg-shadow); transition: all var(--vg-transition); display: flex; flex-direction: column; }
.research-card:hover { transform: translateY(-6px); box-shadow: 0 12px 30px rgba(0,102,255,0.15); }
.research-card__header { padding: 20px 24px; color: var(--vg-white); }
.research-card__header--critical { background: linear-gradient(135deg, #ff0000, #cc0000); }
.research-card__header--high { background: linear-gradient(135deg, #ff6600, #cc5200); }
.research-card__header--economic { background: linear-gradient(135deg, #9c27b0, #7b1fa2); }
.research-card__header--historical { background: linear-gradient(135deg, #0066ff, #0052cc); }
.research-card__amount { font-size: 1.8rem; font-weight: 800; }
.research-card__label { font-size: 0.85rem; opacity: 0.9; }
.research-card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.research-card__title { font-size: 1.05rem; font-weight: 700; margin-bottom: 12px; line-height: 1.4; color: var(--vg-text); }
.research-card__desc { font-size: 0.9rem; color: var(--vg-gray); line-height: 1.6; flex: 1; }
.research-card__link { display: inline-block; margin-top: 16px; padding: 10px 24px; background: var(--vg-blue); color: var(--vg-white); border-radius: 25px; font-weight: 600; font-size: 0.9rem; transition: background var(--vg-transition); text-align: center; }
.research-card__link:hover { background: var(--vg-blue-dark); color: var(--vg-white); }

/* Trust Banner */
.trust-banner { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: center; background: var(--vg-gray-light); border: 2px solid var(--vg-blue); border-radius: var(--vg-radius-lg); padding: 28px; }
.trust-banner__item { text-align: center; flex: 1 1 200px; }
.trust-banner__item strong { color: var(--vg-blue); font-size: 0.95rem; display: block; margin-bottom: 4px; }
.trust-banner__item p { font-size: 0.85rem; color: var(--vg-gray); margin: 0; }
.trust-banner__divider { width: 1px; height: 40px; background: rgba(0,102,255,0.2); flex-shrink: 0; }
@media (max-width: 600px) { .trust-banner__divider { display: none; } }


/* Researcher Section */
.researcher { display: flex; flex-wrap: wrap; gap: 40px; align-items: center; justify-content: center; margin-top: 32px; }
.researcher__photo { width: 260px; height: 260px; border-radius: 50%; object-fit: cover; border: 5px solid var(--vg-blue); box-shadow: 0 10px 30px rgba(0,102,255,0.2); flex-shrink: 0; }
.researcher__bio { flex: 1 1 400px; max-width: 600px; }
.researcher__name { font-size: 2rem; margin-bottom: 8px; }
.researcher__role { color: var(--vg-blue); font-size: 1.05rem; font-weight: 600; margin-bottom: 20px; }
.researcher__text { font-size: 0.97rem; line-height: 1.8; color: #444; margin-bottom: 14px; }
.social-links { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.social-links a { display: flex; align-items: center; gap: 8px; padding: 10px 18px; color: var(--vg-white); text-decoration: none; border-radius: 8px; font-weight: 600; font-size: 0.88rem; transition: transform var(--vg-transition), opacity var(--vg-transition); }
.social-links a:hover { transform: translateY(-2px); opacity: 0.9; color: var(--vg-white); }
.social-links a svg { width: 18px; height: 18px; fill: currentColor; }
.social--github { background: #24292e; }
.social--linkedin { background: #0077b5; }
.social--x { background: #000; }
.social--web { background: var(--vg-blue); }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid rgba(0,0,0,0.08); }
.faq-item__question { width: 100%; background: none; border: none; padding: 20px 0; font-size: 1rem; font-weight: 600; text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; color: var(--vg-text); font-family: var(--vg-font); }
.faq-item__question:hover { color: var(--vg-blue); }
.faq-item__icon { flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%; background: var(--vg-gray-light); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; transition: transform var(--vg-transition); }
.faq-item.active .faq-item__icon { transform: rotate(45deg); }
.faq-item__answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; padding: 0; }
.faq-item.active .faq-item__answer { max-height: 600px; padding: 0 0 20px; }
.faq-item__answer p { font-size: 0.93rem; line-height: 1.7; color: #555; }


/* Contact Form */
.contact-form { max-width: 600px; margin: 0 auto; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 6px; color: var(--vg-text); }
.form-group input, .form-group textarea { width: 100%; padding: 14px 18px; border: 1px solid rgba(0,0,0,0.12); border-radius: 8px; font-size: 1rem; font-family: var(--vg-font); transition: border-color var(--vg-transition), box-shadow var(--vg-transition); background: var(--vg-white); color: var(--vg-text); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--vg-blue); box-shadow: 0 0 0 3px rgba(0,102,255,0.1); }
.form-group textarea { min-height: 140px; resize: vertical; }
.form-submit { text-align: center; margin-top: 8px; }

/* Deliverables */
.deliverables-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; }
.deliverable-card { background: var(--vg-white); border: 2px solid var(--vg-blue); border-radius: var(--vg-radius-lg); padding: 32px; }
.deliverable-card__title { font-size: 1.15rem; font-weight: 700; margin-bottom: 16px; }
.deliverable-card__list { list-style: none; }
.deliverable-card__list li { padding: 6px 0 6px 22px; position: relative; font-size: 0.9rem; line-height: 1.6; color: #444; }
.deliverable-card__list li::before { content: '\2713'; position: absolute; left: 0; color: var(--vg-green); font-weight: 700; }

/* Benefits */
.benefits-list { max-width: 800px; margin: 0 auto; }
.benefits-list li { padding: 10px 0 10px 30px; position: relative; font-size: 1rem; line-height: 1.7; }
.benefits-list li::before { content: '\2713'; position: absolute; left: 0; top: 10px; color: var(--vg-green); font-weight: 700; font-size: 1.1rem; }

/* Mission */
.mission-block { background: var(--vg-gray-light); border-radius: var(--vg-radius-lg); padding: 36px; max-width: 900px; margin: 0 auto; }
.mission-block__item { padding: 14px 0; border-bottom: 1px solid rgba(0,0,0,0.06); }
.mission-block__item:last-child { border-bottom: none; }
.mission-block__label { font-weight: 700; color: var(--vg-blue); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.mission-block__text { font-size: 0.93rem; line-height: 1.7; color: #444; }

/* Commitment */
.commitment { background: var(--vg-gray-light); border: 2px solid var(--vg-blue); border-radius: var(--vg-radius-lg); padding: 36px; text-align: center; max-width: 800px; margin: 40px auto 0; }
.commitment__text { font-size: 1.02rem; font-style: italic; line-height: 1.7; color: #333; }

/* Trust Assurance */
.assurance-list { list-style: none; margin: 20px 0; }
.assurance-list li { padding: 8px 0 8px 24px; position: relative; font-size: 0.95rem; line-height: 1.7; }
.assurance-list li::before { content: '\2716'; position: absolute; left: 0; color: var(--vg-red); font-weight: 700; }

/* CTA Link */
.cta-link { display: inline-block; margin-top: 24px; font-weight: 700; font-size: 1.05rem; color: var(--vg-blue); border-bottom: 2px solid var(--vg-blue); padding-bottom: 2px; transition: all var(--vg-transition); }
.cta-link:hover { color: var(--vg-blue-dark); border-color: var(--vg-blue-dark); }


/* Footer */
.footer { background: var(--vg-dark); color: rgba(255,255,255,0.7); padding: 40px 0; text-align: center; font-size: 0.9rem; }
.footer a { color: rgba(255,255,255,0.85); }
.footer a:hover { color: var(--vg-white); }

/* Scroll to top */
.scroll-top { position: fixed; bottom: 30px; right: 30px; width: 48px; height: 48px; border-radius: 50%; background: var(--vg-blue); color: var(--vg-white); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; cursor: pointer; border: none; opacity: 0; visibility: hidden; transition: all var(--vg-transition); z-index: 900; box-shadow: var(--vg-shadow); }
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--vg-blue-dark); transform: translateY(-3px); }

/* Skip link */
.skip-link { position: absolute; top: -100px; left: 16px; background: var(--vg-blue); color: var(--vg-white); padding: 12px 24px; border-radius: 4px; z-index: 10000; font-weight: 600; transition: top var(--vg-transition); }
.skip-link:focus { top: 16px; color: var(--vg-white); }

/* Responsive */
@media (max-width: 768px) {
  .hero__title { font-size: 2.1rem; }
  .hero__subtitle { font-size: 1.05rem; }
  .section { padding: 60px 0; }
  .section-title { font-size: 1.9rem; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .deliverables-grid, .pricing-grid, .research-grid { grid-template-columns: 1fr; }
  .framework-phase__items { grid-template-columns: 1fr; }
  .btn-group { flex-direction: column; align-items: center; }
  .researcher { flex-direction: column; text-align: center; }
  .researcher__photo { width: 200px; height: 200px; }
  .social-links { justify-content: center; }
}
@media (max-width: 480px) {
  .hero__title { font-size: 1.7rem; }
  .container { padding: 0 16px; }
  .step { flex-direction: column; gap: 12px; }
}