/* CO_ V3 LAUNCH - CLEAN HONEST SYSTEM - REFACTORED */

:root {
  --co-black: #000000;
  --co-white: #FFFFFF;
  --co-red: #FF0000;
  --co-gray-light: #F8F8F8;
  --co-gray-mid: #CCCCCC;
  --co-gray-dark: #333333;
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.333rem;
  --text-2xl: 1.777rem;
  --text-3xl: 2.369rem;
  --text-4xl: 3.157rem;
  --text-5xl: 4.209rem;
  
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  --max-width: 1200px;
  --content-width: 800px;
  --nav-height: 80px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Arial, sans-serif;
  line-height: 1.6;
  color: var(--co-black);
}

h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.2; margin-bottom: var(--space-4); }
h1 { font-size: var(--text-5xl); font-weight: 900; letter-spacing: -0.02em; }
h2 { font-size: var(--text-4xl); font-weight: 800; }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }

p { margin-bottom: var(--space-4); max-width: 65ch; }
a { color: var(--co-black); text-decoration: none; transition: 0.2s; }
a:hover { color: var(--co-red); }
ul { margin-left: var(--space-6); }
li { margin-bottom: var(--space-2); }
strong { font-weight: 700; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-8); }
.content { max-width: var(--content-width); margin: 0 auto; }
.section { padding: var(--space-16) 0; }
.section-spacious { padding: calc(var(--space-16) * 1.5) 0; }
.section-compressed { padding: var(--space-12) 0; }

/* ========================================
   CO_ BRANDING SYSTEM
   ======================================== */

/* Default Co_ styling: black(Co) + red(_) */
.co-brand {
  color: var(--co-black);
}

.co-brand .co-underscore {
  color: var(--co-red);
}

/* Hover effect: make entire Co_ bold */
.co-brand:hover {
  font-weight: 900;
}

/* White context Co_ styling: white(Co) + black(_) */
.co-brand-white {
  color: var(--co-white);
}

.co-brand-white .co-underscore {
  color: var(--co-black);
}

/* White context hover: white(Co) + red(_) */
.co-brand-white:hover .co-underscore {
  color: var(--co-red);
}

/* ========================================
   NAVIGATION
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  height: var(--nav-height);
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--co-black);
  z-index: 1000;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-8);
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Nav logo with Co_ branding */
.nav-logo {
  font-size: var(--text-xl);
  font-weight: 900;
  color: var(--co-black);
  transition: 0.2s;
}

.nav-logo span {
  color: var(--co-red);
}

/* On hover: red(Co).black(_) */
.nav-logo:hover {
  font-weight: 900;
  color: var(--co-red);
}

.nav-logo:hover span {
  color: var(--co-black);
}

.nav-menu {
  display: flex;
  gap: var(--space-12);
  list-style: none;
  align-items: center;
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Nav START button - BLACK → RED on hover */
.btn-nav {
  padding: var(--space-3) var(--space-6);
  border: 2px solid var(--co-black);
  background: var(--co-black);
  color: var(--co-white);
  transition: 0.2s;
}

.btn-nav:hover {
  background: var(--co-red);
  border-color: var(--co-red);
  color: var(--co-white);
  transform: translateY(-1px);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-block;
  padding: var(--space-4) var(--space-8);
  font-weight: 700;
  border: 2px solid var(--co-black);
  background: var(--co-white);
  color: var(--co-black);
  cursor: pointer;
  transition: 0.2s;
  text-align: center;
}

.btn:hover {
  background: var(--co-black);
  color: var(--co-white);
  transform: translateY(-2px);
}

/* Primary button: RED → BLACK on hover */
.btn-primary {
  background: var(--co-red);
  border-color: var(--co-red);
  color: var(--co-white);
}

.btn-primary:hover {
  background: var(--co-black);
  border-color: var(--co-black);
}

/* Primary button with Co_ branding - make underscore red on hover */
.btn-primary:hover .co-underscore {
  color: var(--co-red) !important;
}

/* White button: WHITE → TRANSPARENT on hover */
.btn-white {
  background: var(--co-white);
  border-color: var(--co-white);
  color: var(--co-black);
}

.btn-white:hover {
  background: transparent;
  color: var(--co-white);
}

/* White button with Co_ branding - make underscore red on hover */
.btn-white:hover .co-underscore {
  color: var(--co-red) !important;
}

/* Specific button: "How Co_ Thinks About This" */
/* Default: black(How Co).red(_).black(Thinks About This) */
/* Hover: white(How Co).red(_).white(Thinks About This) */
.btn-how-thinks .btn-part1 { color: var(--co-black); transition: 0.2s; }
.btn-how-thinks .btn-part2 { color: var(--co-red); transition: 0.2s; }
.btn-how-thinks .btn-part3 { color: var(--co-black); transition: 0.2s; }

.btn-how-thinks:hover .btn-part1 { color: var(--co-white); }
.btn-how-thinks:hover .btn-part2 { color: var(--co-red); }
.btn-how-thinks:hover .btn-part3 { color: var(--co-white); }

/* Coffee CTA - Special styling */
.btn-coffee-cta {
  background: var(--co-red);
  border-color: var(--co-red);
  color: var(--co-white);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.btn-coffee-cta:hover {
  background: var(--co-black);
  border-color: var(--co-black);
  color: var(--co-white);
}

/* Share a Coffee text link - no button, just text */
.link-coffee {
  color: var(--co-red);
  font-weight: 700;
  transition: 0.2s;
  cursor: pointer;
  text-decoration: none;
  display: block;
  text-align: center;
  margin-bottom: var(--space-4);
}

.link-coffee:hover {
  color: var(--co-black);
}

.btn-large { padding: var(--space-6) var(--space-12); font-size: var(--text-lg); }
.btn-block { display: block; width: 100%; }

/* ========================================
   BADGE
   ======================================== */
.badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 1px solid var(--co-black);
  transition: 0.2s;
}

/* Badge hover effect - specific for hero badge */
.badge-hero {
  cursor: default;
}

.badge-hero:hover {
  background: var(--co-red);
  border-color: var(--co-red);
}

/* Badge hero hover: black(CORAL GABLES).white(APPLIED INTELLIGENCE) */
.badge-hero:hover .badge-part1 {
  color: var(--co-black);
}

.badge-hero:hover .badge-part2 {
  color: var(--co-white);
}

/* Standard badge hover effect */
.badge:hover {
  background: var(--co-red);
  border-color: var(--co-red);
  color: var(--co-white);
}

/* Badge hover - make all text white including red spans */
.badge:hover .text-red,
.badge:hover span {
  color: var(--co-white) !important;
}

.badge-red {
  background: var(--co-red);
  border-color: var(--co-red);
  color: var(--co-white);
}

/* ========================================
   HERO HEADINGS HOVER EFFECTS
   ======================================== */

/* Most hero headings turn RED on hover */
.hero-hover-red {
  transition: color 0.2s ease;
  cursor: default;
}

.hero-hover-red:hover {
  color: var(--co-red);
}

/* Special case: "Begin With a Conversation" stays BLACK */
.hero-hover-black {
  transition: color 0.2s ease;
  cursor: default;
}

.hero-hover-black:hover {
  color: var(--co-black);
}

/* Custom hero hover patterns for specific sections */

/* "Who Co_ Is For" hover: red(Who). red(Co).black(_).red(Is For) */
.hero-who-co:hover .part1 { color: var(--co-red); }
.hero-who-co:hover .part2 { color: var(--co-red); }
.hero-who-co:hover .part3 { color: var(--co-black); }
.hero-who-co:hover .part4 { color: var(--co-red); }

/* "How Co_ Works With You" hover: red(How Co).white(_).red(Works With You) */
.hero-how-works:hover .part1 { color: var(--co-red); }
.hero-how-works:hover .part2 { color: var(--co-white); }
.hero-how-works:hover .part3 { color: var(--co-red); }

/* "Ways to Work With Co_" hover: red(Ways to Work With Co).black(_) */
.hero-ways-work:hover .part1 { color: var(--co-red); }
.hero-ways-work:hover .part2 { color: var(--co-black); }

/* "What Co_ Stands For" hover: red(What Co).black(_).red(Stands For) */
.hero-what-stands:hover .part1 { color: var(--co-red); }
.hero-what-stands:hover .part2 { color: var(--co-black); }
.hero-what-stands:hover .part3 { color: var(--co-red); }

/* "Who Is Behind Co_" hover: red(Who is Behind Co).black(_) */
.hero-behind-co:hover .part1 { color: var(--co-red); }
.hero-behind-co:hover .part2 { color: var(--co-black); }

/* Specific hero title hover: "Grow" becomes bold red */
.hero-title-grow {
  transition: 0.2s;
}

.hero-title-grow .grow-word {
  transition: 0.2s;
}

.hero-title-grow:hover .grow-word {
  color: var(--co-red);
  font-weight: 900;
}

/* ========================================
   GRID
   ======================================== */
.grid { display: grid; gap: var(--space-8); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* ========================================
   UTILITIES
   ======================================== */
.text-center { text-align: center; }
.text-red { color: var(--co-red); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-4 { margin-bottom: var(--space-4); }

.bg-black { background: var(--co-black); }
.bg-red { background: var(--co-red); }
.bg-gray { background: var(--co-gray-light); }
.text-white { color: var(--co-white); }

/* ========================================
   FORMS
   ======================================== */
.form-input,
.form-input-inline {
  padding: var(--space-4);
  border: 2px solid var(--co-black);
  font-size: var(--text-base);
  font-family: inherit;
  width: 100%;
}

.form-input:focus,
.form-input-inline:focus {
  outline: none;
  border-color: var(--co-red);
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-note {
  font-size: var(--text-sm);
  color: var(--co-gray-dark);
  margin-top: var(--space-3);
}

.form-note-white {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.8);
}

/* ========================================
   SOCIAL MEDIA ICONS - FIXED X ICON
   ======================================== */
.social-icons-container {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.social-icons {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--co-black);
  background: var(--co-white);
  color: var(--co-red);
  font-size: 20px;
  transition: 0.2s;
  flex-shrink: 0;
}

/* CRITICAL FIX: Make all social icons BLACK */
.social-icon i {
  color: var(--co-black);
}

.social-icon:hover {
  background: var(--co-red);
  color: var(--co-white);
  border-color: var(--co-red);
  transform: translateY(-2px);
}

.social-icon:hover i {
  color: var(--co-white);
}

/* Coffee icon button - white text on red, black coffee icon */
.btn-coffee {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--co-red);
  border-color: var(--co-red);
  color: var(--co-white);
  padding: var(--space-3) var(--space-6);
  height: 44px;
  flex-shrink: 0;
}

.btn-coffee:hover {
  background: var(--co-black);
  border-color: var(--co-black);
  color: var(--co-white);
}

.btn-coffee::before {
  content: "☕";
  font-size: 1.2em;
  filter: brightness(0); /* Makes emoji black */
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--co-black);
  color: var(--co-white);
  padding: var(--space-12) 0 var(--space-6) 0;
}

.footer-simple {
  text-align: center;
  margin-bottom: var(--space-6);
}

.footer-brand {
  font-size: var(--text-4xl);
  font-weight: 900;
  margin-bottom: var(--space-4);
  cursor: default;
  transition: 0.2s;
}

/* Footer logo hover: red(Co).white(_) */
.footer-brand:hover {
  color: var(--co-red);
}

.footer-brand:hover span {
  color: var(--co-white);
}

.footer-simple p {
  margin-bottom: var(--space-2);
  max-width: none;
}

.footer-simple a {
  color: var(--co-white);
  margin: 0 var(--space-3);
}

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid var(--co-gray-dark);
  text-align: center;
  color: var(--co-gray-mid);
  font-size: var(--text-sm);
}

/* Footer copyright hover effect */
.footer-bottom p {
  transition: 0.2s;
  cursor: default;
}

.footer-bottom p:hover {
  color: var(--co-red);
  font-weight: 700;
}

/* ========================================
   FLIP CARDS
   ======================================== */
.flip-card {
  background-color: transparent;
  perspective: 1000px;
  height: 100%;
  min-height: 280px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  padding: var(--space-6);
  border: 2px solid var(--co-white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.flip-card-front {
  background: var(--co-black);
  color: var(--co-white);
}

.flip-card-back {
  transform: rotateY(180deg);
  background: var(--co-red);
  color: var(--co-white);
  border-color: var(--co-red);
  padding: var(--space-4);
  justify-content: flex-start;
  text-align: left;
}

.flip-card-front .method-number {
  background: var(--co-white);
  color: var(--co-black);
}

.flip-card-front h3 {
  color: var(--co-white);
  margin-bottom: 0;
  text-align: center;
}

.flip-card-back h5 {
  color: var(--co-white);
  margin-bottom: var(--space-3);
  text-align: left;
  font-size: var(--text-2xl);
}

.flip-card-back p {
  color: var(--co-white);
  margin-bottom: var(--space-4);
  text-align: left;
  max-width: none;
  font-size: var(--text-base);
  line-height: 1.5;
}

.flip-card-back ul {
  text-align: left;
  margin-left: 0;
  padding-left: var(--space-6);
  list-style-position: outside;
}

.flip-card-back li {
  color: var(--co-white);
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.5;
}

/* Numbers outside flip cards on black background */
.bg-black .method-number {
  background: var(--co-white);
  color: var(--co-black);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
  :root {
    --text-5xl: 3rem;
    --text-4xl: 2.5rem;
    --text-3xl: 2rem;
  }
  .nav-menu { gap: var(--space-4); font-size: var(--text-xs); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .container { padding: 0 var(--space-4); }
  .section { padding: var(--space-12) 0; }
  .section-compressed { padding: var(--space-8) 0; }
  
  .social-icons {
    flex-wrap: wrap;
    justify-content: center;
  }
}