/**
 * Typography CSS Components
 * Kinetic text effects and premium type treatments
 */

/* ============================================
   BASE TYPOGRAPHY
   ============================================ */

.heading-display {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--font-normal);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.heading-1 {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-normal);
  line-height: var(--leading-tight);
}

.heading-2 {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--font-normal);
  line-height: var(--leading-snug);
}

.heading-3 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-normal);
  line-height: var(--leading-snug);
}

.body-large {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

.body-base {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
}

.body-small {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.mono {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
}

/* ============================================
   SCRAMBLE TEXT EFFECT
   Decode/resolve animation
   ============================================ */

.scramble-text {
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  display: inline-block;
}

.scramble-text.resolving {
  animation: scramble-resolve 0.05s step-end infinite;
}

.scramble-text.resolved {
  letter-spacing: 0.02em;
  transition: letter-spacing var(--duration-md) var(--ease-out);
}

/* Glow effect on resolve */
.scramble-text.resolved::after {
  content: '';
  position: absolute;
  inset: -5px;
  background: var(--color-accent-glow);
  filter: blur(20px);
  opacity: 0;
  animation: resolve-glow 0.6s ease-out forwards;
  pointer-events: none;
}

@keyframes resolve-glow {
  0% { opacity: 0.8; }
  100% { opacity: 0; }
}

/* ============================================
   TEXT REVEAL ANIMATIONS
   ============================================ */

/* Line reveal (mask from bottom) */
.text-reveal-line {
  overflow: hidden;
  display: inline-block;
}

.text-reveal-line > span {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
}

.text-reveal-line.revealed > span {
  transform: translateY(0);
  opacity: 1;
  transition: transform var(--duration-lg) var(--ease-expo-out),
              opacity var(--duration-md) var(--ease-out);
}

/* Word-by-word reveal */
.text-reveal-words > span {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-md) var(--ease-out),
              transform var(--duration-md) var(--ease-out);
}

.text-reveal-words.revealed > span {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for words */
.text-reveal-words > span:nth-child(1) { transition-delay: 0ms; }
.text-reveal-words > span:nth-child(2) { transition-delay: 50ms; }
.text-reveal-words > span:nth-child(3) { transition-delay: 100ms; }
.text-reveal-words > span:nth-child(4) { transition-delay: 150ms; }
.text-reveal-words > span:nth-child(5) { transition-delay: 200ms; }
.text-reveal-words > span:nth-child(6) { transition-delay: 250ms; }
.text-reveal-words > span:nth-child(7) { transition-delay: 300ms; }
.text-reveal-words > span:nth-child(8) { transition-delay: 350ms; }
.text-reveal-words > span:nth-child(9) { transition-delay: 400ms; }
.text-reveal-words > span:nth-child(10) { transition-delay: 450ms; }

/* Character reveal */
.text-reveal-chars {
  display: inline-block;
}

.text-reveal-chars > span {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
}

.text-reveal-chars.revealed > span {
  animation: char-reveal var(--duration-md) var(--ease-spring) forwards;
}

@keyframes char-reveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   TYPEWRITER EFFECT
   ============================================ */

.typewriter {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--color-accent-primary);
  animation: typewriter-cursor 0.7s step-end infinite;
}

.typewriter.typing {
  animation: 
    typewriter-reveal var(--duration-xl) steps(40, end),
    typewriter-cursor 0.7s step-end infinite;
}

@keyframes typewriter-reveal {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes typewriter-cursor {
  from, to { border-color: transparent; }
  50% { border-color: var(--color-accent-primary); }
}

/* ============================================
   GRADIENT TEXT
   ============================================ */

.text-gradient {
  background: linear-gradient(
    135deg,
    var(--color-accent-primary),
    var(--color-accent-secondary)
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-animated {
  background: linear-gradient(
    135deg,
    var(--color-accent-primary),
    var(--color-accent-secondary),
    var(--color-accent-tertiary),
    var(--color-accent-primary)
  );
  background-size: 300% 300%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-text-flow 5s ease infinite;
}

@keyframes gradient-text-flow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ============================================
   TEXT HOVER EFFECTS
   ============================================ */

/* Underline draw */
.text-underline-draw {
  position: relative;
  display: inline-block;
}

.text-underline-draw::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--color-accent-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-md) var(--ease-expo-out);
}

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

/* Highlight on hover */
.text-highlight-hover {
  position: relative;
  display: inline;
  background: linear-gradient(
    to right,
    var(--color-accent-secondary) 50%,
    transparent 50%
  );
  background-size: 200% 100%;
  background-position: 100% 0;
  transition: background-position var(--duration-md) var(--ease-out);
}

.text-highlight-hover:hover {
  background-position: 0 0;
}

/* Split hover (letters spread) */
.text-split-hover {
  display: inline-block;
  transition: letter-spacing var(--duration-md) var(--ease-spring);
}

.text-split-hover:hover {
  letter-spacing: 0.1em;
}

/* ============================================
   ROTATING TEXT (Role descriptors)
   ============================================ */

.text-rotate-container {
  display: inline-block;
  position: relative;
  vertical-align: bottom;
}

.text-rotate-word {
  display: inline-block;
  opacity: 0;
  position: absolute;
  left: 0;
  top: 0;
  white-space: nowrap;
}

.text-rotate-word.active {
  opacity: 1;
  position: relative;
  animation: text-rotate-in var(--duration-md) var(--ease-out);
}

.text-rotate-word.leaving {
  animation: text-rotate-out var(--duration-md) var(--ease-out);
}

@keyframes text-rotate-in {
  from {
    opacity: 0;
    transform: translateY(20px) rotateX(-30deg);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotateX(0);
    filter: blur(0);
  }
}

@keyframes text-rotate-out {
  from {
    opacity: 1;
    transform: translateY(0) rotateX(0);
    filter: blur(0);
  }
  to {
    opacity: 0;
    transform: translateY(-20px) rotateX(30deg);
    filter: blur(4px);
  }
}

/* ============================================
   EMPHASIS ANIMATIONS
   ============================================ */

/* Bounce emphasis */
.text-bounce {
  display: inline-block;
  animation: text-bounce 0.5s var(--ease-spring);
}

@keyframes text-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Shake emphasis */
.text-shake {
  display: inline-block;
  animation: text-shake 0.4s ease-in-out;
}

@keyframes text-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-3px); }
  40% { transform: translateX(3px); }
  60% { transform: translateX(-2px); }
  80% { transform: translateX(2px); }
}

/* Pop emphasis */
.text-pop {
  display: inline-block;
  animation: text-pop 0.3s var(--ease-spring);
}

@keyframes text-pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* ============================================
   LEGACY CLASS SUPPORT
   ============================================ */

/* Maintain backward compatibility with existing classes */
.txt-rotate > .wrap {
  border-right: 0.08em solid var(--color-accent-primary);
  animation: typewriter-cursor 0.75s step-end infinite;
}

.rotatetext {
  font-size: var(--text-2xl);
}

/* ============================================
   REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  .scramble-text.resolving,
  .text-gradient-animated,
  .typewriter.typing,
  .text-bounce,
  .text-shake,
  .text-pop {
    animation: none;
  }
  
  .text-reveal-line > span,
  .text-reveal-words > span,
  .text-reveal-chars > span {
    transform: none;
    opacity: 1;
  }
}