/* Fusion Collective — Precision Intelligence Design System */

/* ============================================
   Google Fonts Import
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=Syne:wght@400;500;600;700;800&display=swap');

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
  /* Primary brand colors */
  --fc-orange: #F09C2D;
  --fc-orange-soft: #F0AD54;
  --fc-red: #F02F00;
  --fc-red-soft: #F04E27;
  --fc-blue: #3BA5E4;
  --fc-blue-soft: #60B3E4;
  --fc-purple: #3D369F;
  --fc-purple-soft: #55509F;

  /* Refined neutrals */
  --fc-black: #0A0A0A;
  --fc-text: #1A1A1A;
  --fc-text-secondary: #4A4A4A;
  --fc-text-muted: #6A6A6A;
  --fc-warm-white: #F7F7F5;
  --fc-divider: #EBEBEB;
  --fc-background: #FAFAFA;

  /* Legacy aliases */
  --fc-text-dark: #1A1A1A;
  --fc-text-medium: #4A4A4A;
  --fc-text-light: #6A6A6A;
  --fc-background-white: #FFFFFF;
  --fc-background-light: #F5F5F5;
  --fc-background-grey: #E0E0E0;

  /* Typography */
  --font-display: 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-subtle: 0 1px 2px 0 rgb(0 0 0 / 0.03);
  --shadow-card: 0 1px 3px 0 rgb(0 0 0 / 0.06), 0 1px 2px -1px rgb(0 0 0 / 0.06);
  --shadow-card-hover: 0 4px 12px 0 rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.04);
  --shadow-elevated: 0 10px 25px -5px rgb(0 0 0 / 0.08), 0 4px 10px -5px rgb(0 0 0 / 0.04);
}

/* ============================================
   Base Styles
   ============================================ */
html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  background-color: var(--fc-warm-white);
  color: var(--fc-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1;
}

/* ============================================
   Typography
   ============================================ */

/* Display — Hero headlines */
.text-display,
h1.display {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--fc-text);
}

/* H1 */
h1, .h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
  color: var(--fc-text);
}

/* H2 */
h2, .h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: var(--fc-text);
}

/* H3 */
h3, .h3 {
  font-family: var(--font-body);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--fc-text);
}

/* H4-H6 */
h4, .h4 {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.75rem;
  color: var(--fc-text);
}

h5, .h5 {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.5rem;
  color: var(--fc-text);
}

h6, .h6 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.5rem;
  color: var(--fc-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Paragraphs */
p {
  margin-bottom: 1rem;
  color: var(--fc-text-secondary);
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--fc-text-secondary);
}

small, .small {
  font-size: 0.875rem;
  line-height: 1.5;
}

.text-muted {
  color: var(--fc-text-muted);
}

/* ============================================
   Links
   ============================================ */
a {
  color: var(--fc-blue);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--fc-blue-soft);
}

/* Underline link style */
.link-underline {
  position: relative;
  color: var(--fc-text);
}

.link-underline::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background-color: var(--fc-orange);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.link-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-primary,
.btn-fc-orange {
  background-color: var(--fc-orange);
  color: white;
  border: 2px solid var(--fc-orange);
}

.btn-primary:hover,
.btn-fc-orange:hover {
  background-color: #e08f1f;
  border-color: #e08f1f;
  box-shadow: var(--shadow-card-hover);
}

.btn-secondary,
.btn-fc-purple {
  background-color: var(--fc-purple);
  color: white;
  border: 2px solid var(--fc-purple);
}

.btn-secondary:hover,
.btn-fc-purple:hover {
  background-color: #352f8a;
  border-color: #352f8a;
  box-shadow: var(--shadow-card-hover);
}

.btn-fc-blue {
  background-color: var(--fc-blue);
  color: white;
  border: 2px solid var(--fc-blue);
}

.btn-fc-blue:hover {
  background-color: #2d94d3;
  border-color: #2d94d3;
  box-shadow: var(--shadow-card-hover);
}

.btn-outline {
  background-color: transparent;
  color: var(--fc-text);
  border: 2px solid var(--fc-divider);
}

.btn-outline:hover {
  border-color: var(--fc-text);
  background-color: var(--fc-text);
  color: white;
}

.btn-outline-fc-orange {
  background-color: transparent;
  color: var(--fc-orange);
  border: 2px solid var(--fc-orange);
}

.btn-outline-fc-orange:hover {
  background-color: var(--fc-orange);
  color: white;
}

.btn-outline-fc-blue {
  background-color: transparent;
  color: var(--fc-blue);
  border: 2px solid var(--fc-blue);
}

.btn-outline-fc-blue:hover {
  background-color: var(--fc-blue);
  color: white;
}

.btn-ghost {
  background-color: transparent;
  color: var(--fc-text);
  border: none;
  padding: 0.5rem 1rem;
}

.btn-ghost:hover {
  background-color: var(--fc-background);
}

/* Button sizes */
.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* ============================================
   Cards
   ============================================ */
.fc-card {
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-card);
  padding: 1.5rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.fc-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

/* Card with accent border */
.fc-card-accent {
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-card);
  padding: 1.5rem;
  border-left: 4px solid var(--fc-orange);
  transition: all var(--transition-base);
}

.fc-card-accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-left-color: var(--fc-purple);
}

.fc-card-accent.accent-purple { border-left-color: var(--fc-purple); }
.fc-card-accent.accent-blue { border-left-color: var(--fc-blue); }
.fc-card-accent.accent-red { border-left-color: var(--fc-red); }

.fc-card h3, .fc-card h4 {
  color: var(--fc-text);
}

.fc-card p {
  color: var(--fc-text-secondary);
}

/* ============================================
   Navigation
   ============================================ */
.nav-link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--fc-text);
  text-decoration: none;
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: var(--fc-orange);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--fc-orange);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

nav a {
  transition: color var(--transition-base);
}

nav a:hover {
  color: var(--fc-orange) !important;
}

/* Sticky navigation */
.nav-sticky {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background-color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   Forms
   ============================================ */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
input[type="search"],
textarea,
select {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.875rem 1rem;
  background-color: white;
  border: 1px solid var(--fc-divider);
  border-radius: 0.375rem;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  width: 100%;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--fc-blue);
  box-shadow: 0 0 0 3px rgba(59, 165, 228, 0.1);
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fc-text);
  margin-bottom: 0.5rem;
}

/* Floating label effect */
.form-group-float {
  position: relative;
}

.form-group-float input,
.form-group-float textarea {
  padding-top: 1.5rem;
}

.form-group-float label {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  font-size: 1rem;
  font-weight: 400;
  color: var(--fc-text-muted);
  pointer-events: none;
  transition: all var(--transition-base);
}

.form-group-float input:focus + label,
.form-group-float input:not(:placeholder-shown) + label,
.form-group-float textarea:focus + label,
.form-group-float textarea:not(:placeholder-shown) + label {
  top: 0.75rem;
  transform: translateY(0);
  font-size: 0.75rem;
  color: var(--fc-blue);
}

/* ============================================
   Sections
   ============================================ */
.section {
  padding: 5rem 0;
}

.section-sm {
  padding: 3rem 0;
}

.section-lg {
  padding: 7rem 0;
}

.section-white {
  background-color: white;
}

.section-light {
  background-color: var(--fc-background);
}

.section-dark {
  background-color: var(--fc-purple);
  color: white;
}

.section-dark h1, .section-dark h2, .section-dark h3,
.section-dark h4, .section-dark h5, .section-dark h6 {
  color: white;
}

.section-dark p {
  color: rgba(255, 255, 255, 0.85);
}

/* ============================================
   Hero
   ============================================ */
.hero-section {
  position: relative;
  background-color: white;
  overflow: hidden;
}

.hero-section h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fc-text);
}

.hero-section .lead {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: var(--fc-text-secondary);
  max-width: 40ch;
}

/* Highlight word in hero */
.hero-highlight {
  color: var(--fc-orange);
}

/* ============================================
   Footer
   ============================================ */
.footer-main {
  background-color: var(--fc-purple);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-main h3, .footer-main h4 {
  font-family: var(--font-body);
  font-weight: 600;
  color: white;
  margin-bottom: 1.25rem;
}

.footer-main p {
  color: rgba(255, 255, 255, 0.75);
}

.footer-main a {
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-base);
}

.footer-main a:hover {
  color: white;
}

.footer-link {
  display: block;
  padding: 0.375rem 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
}

.footer-link:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  margin-top: 3rem;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

/* Legacy footer support */
footer {
  background-color: var(--fc-purple) !important;
}

/* ============================================
   Badges & Tags
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-fc-orange,
.badge-primary {
  background-color: var(--fc-orange);
  color: white;
}

.badge-fc-blue {
  background-color: var(--fc-blue);
  color: white;
}

.badge-fc-purple {
  background-color: var(--fc-purple);
  color: white;
}

.badge-outline {
  background-color: transparent;
  border: 1px solid var(--fc-divider);
  color: var(--fc-text-secondary);
}

/* Category pill */
.category-pill {
  display: inline-block;
  padding: 0.375rem 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--fc-purple);
  background-color: rgba(61, 54, 159, 0.08);
  border-radius: 9999px;
  transition: all var(--transition-base);
}

.category-pill:hover {
  background-color: rgba(61, 54, 159, 0.15);
  color: var(--fc-purple);
}

/* ============================================
   Testimonials
   ============================================ */
.testimonial {
  position: relative;
  padding-left: 2rem;
}

.testimonial::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -0.5rem;
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 1;
  color: var(--fc-orange);
  opacity: 0.3;
}

.testimonial-quote {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--fc-text);
  margin-bottom: 1.5rem;
}

.testimonial-author {
  font-weight: 600;
  color: var(--fc-text);
}

.testimonial-role {
  font-size: 0.875rem;
  color: var(--fc-text-muted);
}

/* ============================================
   Accordion
   ============================================ */
.accordion-item {
  border-bottom: 1px solid var(--fc-divider);
}

.accordion-trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 1.25rem 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--fc-text);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-base);
}

.accordion-trigger:hover {
  color: var(--fc-orange);
}

.accordion-icon {
  width: 1.25rem;
  height: 1.25rem;
  transition: transform var(--transition-base);
}

.accordion-item.open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  padding-bottom: 1.25rem;
  color: var(--fc-text-secondary);
}

/* ============================================
   Utilities
   ============================================ */

/* Text colors */
.text-fc-orange { color: var(--fc-orange) !important; }
.text-fc-orange-soft { color: var(--fc-orange-soft) !important; }
.text-fc-red { color: var(--fc-red) !important; }
.text-fc-red-soft { color: var(--fc-red-soft) !important; }
.text-fc-blue { color: var(--fc-blue) !important; }
.text-fc-blue-soft { color: var(--fc-blue-soft) !important; }
.text-fc-purple { color: var(--fc-purple) !important; }
.text-fc-purple-soft { color: var(--fc-purple-soft) !important; }

/* Background colors */
.bg-fc-orange { background-color: var(--fc-orange) !important; }
.bg-fc-orange-soft { background-color: var(--fc-orange-soft) !important; }
.bg-fc-red { background-color: var(--fc-red) !important; }
.bg-fc-red-soft { background-color: var(--fc-red-soft) !important; }
.bg-fc-blue { background-color: var(--fc-blue) !important; }
.bg-fc-blue-soft { background-color: var(--fc-blue-soft) !important; }
.bg-fc-purple { background-color: var(--fc-purple) !important; }
.bg-fc-purple-soft { background-color: var(--fc-purple-soft) !important; }

/* Border colors */
.border-fc-orange { border-color: var(--fc-orange) !important; }
.border-fc-blue { border-color: var(--fc-blue) !important; }
.border-fc-purple { border-color: var(--fc-purple) !important; }

/* Gradients */
.gradient-fc-orange {
  background: linear-gradient(135deg, var(--fc-orange) 0%, var(--fc-orange-soft) 100%);
}

.gradient-fc-purple {
  background: linear-gradient(135deg, var(--fc-purple) 0%, var(--fc-purple-soft) 100%);
}

.gradient-fc-mixed {
  background: linear-gradient(135deg, var(--fc-orange) 0%, var(--fc-purple) 100%);
}

/* Font weights */
.font-light { font-weight: 300 !important; }
.font-normal { font-weight: 400 !important; }
.font-medium { font-weight: 500 !important; }
.font-semibold { font-weight: 600 !important; }
.font-bold { font-weight: 700 !important; }

/* Font families */
.font-display { font-family: var(--font-display) !important; }
.font-body { font-family: var(--font-body) !important; }

/* Divider */
.divider {
  height: 1px;
  background-color: var(--fc-divider);
  border: none;
}

/* Container widths */
.container-narrow {
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

.container-content {
  max-width: 65ch;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}

.slide-up {
  animation: slideUp 0.4s ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Staggered animation delays */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
  .section {
    padding: 3rem 0;
  }

  .section-lg {
    padding: 4rem 0;
  }

  .hero-section h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }
}

@media (min-width: 1024px) {
  .hero-section h1 {
    font-size: clamp(3rem, 6vw, 5rem);
  }
}