/* Cambridge Marketing - Complete Design System */
/* Note: color/theme variables live in css/main.css's :root  -  this file used
   to declare its own duplicate set (--color-bg, --color-text, etc.) which,
   because this stylesheet loads after main.css, was silently winning the
   cascade for body background/text color. Removed the color duplicates;
   kept the font/radius/transition tokens actually used below. CSS custom
   properties declared in main.css's :root are already available here. */
:root {
  --font-serif: 'Instrument Serif', serif;
  --font-sans: 'Inter', sans-serif;
  --font-tight: 'Inter Tight', sans-serif;
  --radius: 0.5rem;
  --transition: 0.3s ease-in-out;
}

/* ========== RESET & BASE ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  0% { opacity: 0; transform: translateY(30px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  0% { opacity: 0; transform: translateX(-30px); }
  100% { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  0% { opacity: 0; transform: translateX(30px); }
  100% { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  0% { opacity: 0; transform: scale(0.95); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes slideInBottom {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
  0% { opacity: 0; transform: translateX(-20px); }
  100% { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ========== UTILITY CLASSES ========== */
.animate-fade-up {
  animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fade-left {
  animation: fadeInLeft 0.8s ease-out forwards;
}

.animate-fade-right {
  animation: fadeInRight 0.8s ease-out forwards;
}

.animate-scale-in {
  animation: scaleIn 0.6s ease-out forwards;
}

.animate-slide-bottom {
  animation: slideInBottom 0.5s ease forwards;
}

.animate-slide-left {
  animation: slideInLeft 0.5s ease forwards;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-marquee {
  animation: marquee 30s linear infinite;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }

/* Scroll-triggered animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-scale.active {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger-children > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children > *:nth-child(7) { transition-delay: 0.35s; }
.stagger-children > *:nth-child(8) { transition-delay: 0.4s; }

/* ========== GRADIENT MESH ========== */
.gradient-mesh {
  background: 
    radial-gradient(at 40% 20%, hsla(20,60%,40%,0.15) 0px, transparent 50%),
    radial-gradient(at 80% 0%, hsla(200,60%,40%,0.1) 0px, transparent 50%),
    radial-gradient(at 0% 50%, hsla(10,60%,40%,0.1) 0px, transparent 50%),
    radial-gradient(at 80% 50%, hsla(15,60%,40%,0.15) 0px, transparent 50%),
    radial-gradient(at 0% 100%, hsla(25,60%,40%,0.1) 0px, transparent 50%),
    radial-gradient(at 80% 100%, hsla(18,60%,40%,0.1) 0px, transparent 50%);
  background-size: 200% 200%;
  animation: gradientShift 15s ease infinite;
}

/* ========== GLASS MORPHISM ========== */
.glass {
  background: rgba(245,244,239, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(245,244,239, 0.1);
}

.glass-dark {
  background: rgba(10,10,10, 0.3);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(245,244,239, 0.05);
}

/* ========== BUTTON STYLES ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: #f5f4ef;
  color: #0a0a0a;
  font-family: var(--font-tight);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 9999px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(245,244,239,0.15);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: transparent;
  color: #f5f4ef;
  font-family: var(--font-tight);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 9999px;
  border: 1px solid rgba(245,244,239,0.2);
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(245,244,239,0.1);
  border-color: rgba(245,244,239,0.4);
}

/* ========== CARD HOVER EFFECTS ========== */
.card-hover {
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.card-hover:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 20px 60px rgba(10,10,10,0.3);
}

.card-hover img,
.card-hover video {
  transition: transform 0.5s ease;
}

.card-hover:hover img,
.card-hover:hover video {
  transform: scale(1.05);
}

/* ========== TAB TRANSITIONS ========== */
.tab-content {
  transition: height 0.7s ease-in-out, opacity 0.7s ease-in-out;
  overflow: hidden;
}

.tab-content.active {
  opacity: 1;
  height: auto;
}

.tab-content.inactive {
  opacity: 0;
  height: 0;
}

/* ========== LINK DOT INDICATOR ========== */
.link-indicator {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.link-indicator::before {
  content: '';
  width: 0;
  height: 4px;
  background: currentColor;
  border-radius: 50%;
  transition: width 0.3s ease-in-out;
  flex-shrink: 0;
}

.link-indicator:hover::before {
  width: 12px;
}

.link-indicator::after {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background: currentColor;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.link-indicator:hover::after {
  opacity: 1;
}

/* ========== MASK IMAGE GRADIENTS ========== */
.mask-gradient-x {
  mask-image: linear-gradient(90deg, transparent 2%, black 7% 93%, transparent 98%);
  -webkit-mask-image: linear-gradient(90deg, transparent 2%, black 7% 93%, transparent 98%);
}

.mask-gradient-y {
  mask-image: linear-gradient(0deg, transparent, black 2% 95%, transparent);
  -webkit-mask-image: linear-gradient(0deg, transparent, black 2% 95%, transparent);
}

/* ========== SHIMMER LOADING ========== */
.shimmer {
  background: linear-gradient(
    90deg,
    rgba(245,244,239,0) 0%,
    rgba(245,244,239,0.1) 50%,
    rgba(245,244,239,0) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #0a0a0a;
}

::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #444;
}

/* ========== LOADING SPINNER ========== */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(245,244,239,0.1);
  border-top-color: #f5f4ef;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* ========== TYPOGRAPHY ========== */
.text-serif {
  font-family: var(--font-serif);
}

.text-sans {
  font-family: var(--font-sans);
}

.text-tight {
  font-family: var(--font-tight);
}

.text-gradient {
  background: linear-gradient(135deg, #fff 0%, #a5a5a5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-purple {
  background: linear-gradient(135deg, #ff8c42 0%, #e3752f 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========== CURSOR EFFECTS ========== */
.custom-cursor {
  cursor: none;
}

.cursor-dot {
  width: 8px;
  height: 8px;
  background: #e3752f;
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.1s ease;
}

.cursor-ring {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(227,117,47,0.5);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  transition: transform 0.15s ease, width 0.3s ease, height 0.3s ease;
}

/* ========== PARALLAX EFFECTS ========== */
.parallax {
  transform: translateZ(0);
  will-change: transform;
}

/* ========== HOVER GLOW ========== */
.hover-glow {
  transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
  box-shadow: 0 0 40px rgba(227,117,47, 0.3);
}

/* ========== TEXT REVEAL ========== */
.text-reveal {
  overflow: hidden;
}

.text-reveal span {
  display: inline-block;
  transform: translateY(100%);
  animation: textReveal 0.8s ease forwards;
}

@keyframes textReveal {
  to { transform: translateY(0); }
}

/* ========== MAGNETIC BUTTON ========== */
.magnetic-btn {
  transition: transform 0.3s ease;
}

/* ========== LINE DRAWING ========== */
.line-draw {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 2s ease forwards;
}

@keyframes drawLine {
  to { stroke-dashoffset: 0; }
}

/* ========== PROGRESSIVE BLUR ========== */
.blur-edge {
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

/* ========== 3D CARD EFFECT ========== */
.card-3d {
  transform-style: preserve-3d;
  perspective: 1000px;
}

.card-3d-inner {
  transition: transform 0.6s ease;
  transform-style: preserve-3d;
}

.card-3d:hover .card-3d-inner {
  transform: rotateY(5deg) rotateX(5deg);
}

/* ========== MORPHING SHAPES ========== */
.morph {
  animation: morph 8s ease-in-out infinite;
}

@keyframes morph {
  0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
}

/* ========== GRAIN TEXTURE ========== */
.grain-texture {
  position: relative;
}

.grain-texture::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.04;
  pointer-events: none;
  mix-blend-mode: overlay;
}

/* ========== SMOOTH SCROLL ========== */
.smooth-scroll {
  scroll-behavior: smooth;
}

/* ========== IMAGE ZOOM ON HOVER ========== */
.img-zoom {
  overflow: hidden;
}

.img-zoom img {
  transition: transform 0.7s ease;
}

.img-zoom:hover img {
  transform: scale(1.08);
}

/* ========== UNDERLINE HOVER ========== */
.hover-underline {
  position: relative;
}

.hover-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.3s ease;
}

.hover-underline:hover::after {
  width: 100%;
}

/* ========== FOCUS EFFECTS ========== */
.focus-ring:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* ========== SKELETON LOADING ========== */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(245,244,239,0.05) 25%,
    rgba(245,244,239,0.1) 50%,
    rgba(245,244,239,0.05) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}