/*
 * PIPI HOSTING - Brand Variables & Base Styles
 */

/* 
 * PIPI HOSTING Brand Fonts - Language Specific Local Files
 * Using local font files for complete brand control and performance
 */

/* English - Alibaba Sans */
@font-face {
  font-family: 'Alibaba Sans EN';
  src: url("/assets/en/AlibabaSans-Light-274cdb4b.woff2") format('woff2'),
       url("/assets/en/AlibabaSans-Light-aabd2936.woff") format('woff');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Alibaba Sans EN';
  src: url("/assets/en/AlibabaSans-Regular-b387b266.woff2") format('woff2'),
       url("/assets/en/AlibabaSans-Regular-9668beba.woff") format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Alibaba Sans EN';
  src: url("/assets/en/AlibabaSans-Medium-194a0ca4.woff2") format('woff2'),
       url("/assets/en/AlibabaSans-Medium-5f03106b.woff") format('woff');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Alibaba Sans EN';
  src: url("/assets/en/AlibabaSans-Bold-061b5c20.woff2") format('woff2'),
       url("/assets/en/AlibabaSans-Bold-7a6fe49f.woff") format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* Japanese - Alibaba Sans JP */
@font-face {
  font-family: 'Alibaba Sans JP';
  src: url("/assets/ja/AlibabaSansJP-Regular-ef0f9430.woff2") format('woff2'),
       url("/assets/ja/AlibabaSansJP-Regular-def9c988.woff") format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Alibaba Sans JP';
  src: url("/assets/ja/AlibabaSansJP-Medium-27e80fa8.woff2") format('woff2'),
       url("/assets/ja/AlibabaSansJP-Medium-e28066ec.woff") format('woff');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Alibaba Sans JP';
  src: url("/assets/ja/AlibabaSansJP-Bold-dc6e87b5.woff2") format('woff2'),
       url("/assets/ja/AlibabaSansJP-Bold-7533257d.woff") format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* Chinese - Alibaba PuHuiTi */
@font-face {
  font-family: 'Alibaba PuHuiTi';
  src: url("/assets/zh/AlibabaPuHuiTi-3-45-Light-380b4641.woff2") format('woff2'),
       url("/assets/zh/AlibabaPuHuiTi-3-45-Light-828977a4.woff") format('woff');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Alibaba PuHuiTi';
  src: url("/assets/zh/AlibabaPuHuiTi-3-55-RegularL3-7377d44c.woff2") format('woff2'),
       url("/assets/zh/AlibabaPuHuiTi-3-55-RegularL3-475e1bda.woff") format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Alibaba PuHuiTi';
  src: url("/assets/zh/AlibabaPuHuiTi-3-65-Medium-84c74f4f.woff2") format('woff2'),
       url("/assets/zh/AlibabaPuHuiTi-3-65-Medium-0b23c5e1.woff") format('woff');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Alibaba PuHuiTi';
  src: url("/assets/zh/AlibabaPuHuiTi-3-75-SemiBold-839244f0.woff2") format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Alibaba PuHuiTi';
  src: url("/assets/zh/AlibabaPuHuiTi-3-85-Bold-d8a9be2e.woff2") format('woff2'),
       url("/assets/zh/AlibabaPuHuiTi-3-85-Bold-8484a023.woff") format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Alibaba PuHuiTi';
  src: url("/assets/zh/AlibabaPuHuiTi-3-105-Heavy-44f7db17.woff2") format('woff2'),
       url("/assets/zh/AlibabaPuHuiTi-3-105-Heavy-ed533450.woff") format('woff');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* Inter as fallback font for reliability */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --brand-pink: #EC6A5E;
  --brand-white: #FFFFFF;
  --brand-black: #040000;
  --brand-pink-hover: #d55a4f;
  --brand-gray-light: #f8f8f8;
  --brand-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --brand-shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Alibaba Sans EN', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--brand-black);
  margin: 0;
  background: var(--brand-white);
  transition: font-family 0.3s ease;
}

/* Language-specific font families */
body[data-locale="en"] {
  font-family: 'Alibaba Sans EN', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body[data-locale="ja"] {
  font-family: 'Alibaba Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic Medium', 'Meiryo', sans-serif;
}

body[data-locale="zh"] {
  font-family: 'Alibaba PuHuiTi', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'SimHei', sans-serif;
}

.brand-gradient {
  background: linear-gradient(135deg, var(--brand-pink) 0%, #f97066 100%);
}

.text-gradient {
  background: linear-gradient(135deg, var(--brand-pink) 0%, #f97066 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Brand Logo Text - Always English Font */
.brand-logo-text {
  font-family: 'Alibaba Sans EN', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

/* Brand utility classes */
.bg-brand-pink {
  background-color: var(--brand-pink);
}

.bg-brand-white {
  background-color: var(--brand-white);
}

.bg-brand-black {
  background-color: var(--brand-black);
}

.text-brand-pink {
  color: var(--brand-pink);
}

.text-brand-white {
  color: var(--brand-white);
}

.text-brand-black {
  color: var(--brand-black);
}

.border-brand-pink {
  border-color: var(--brand-pink);
}

.border-brand-white {
  border-color: var(--brand-white);
}

.border-brand-black {
  border-color: var(--brand-black);
}

.hover-lift {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--brand-shadow-lg);
}

/* Hero Image Slider */
.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* Fallback gradient background to prevent white flash */
  background: linear-gradient(135deg, #1f2937 0%, #111827 50%, #374151 100%);
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 1;
  transform: scale(1);
  transition: none;
  z-index: 1;
}

.hero-slide:not(.active) {
  opacity: 0;
  z-index: 0;
  transition: opacity 1s ease-out;
}

.hero-slide.active {
  z-index: 1;
  opacity: 1;
  animation: heroSlideShow 9.5s ease-in-out infinite;
}


.hero-slide[data-bg="bg-1"] {
  background-image: url("/assets/bg-1-86b59dac.jpg");
}

.hero-slide[data-bg="bg-2"] {
  background-image: url("/assets/bg-2-e27dc138.jpg");
}

.hero-slide[data-bg="bg-3"] {
  background-image: url("/assets/bg-3-fbbe9e1f.jpg");
}

.hero-slide[data-bg="bg-4"] {
  background-image: url("bg-4.jpg");
}

/* Keyframes for slide animation: show -> zoom in -> instant cut */
@keyframes heroSlideShow {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  90% {
    opacity: 1;
    transform: scale(1.1);
  }
  90.1% {
    opacity: 0;
    transform: scale(1.1);
  }
  100% {
    opacity: 0;
    transform: scale(1.1);
  }
}

/* Navigation Hover Effects */
.nav-text {
  color: white;
}

.nav-icon-stroke {
  stroke: white;
}

.nav-icon-fill {
  fill: white;
}

/* Individual hover effects */
.nav-mini:hover,
.nav-main:hover {
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
}

.nav-mini:hover .nav-text,
.nav-main:hover .nav-text {
  color: var(--brand-black) !important;
}

.nav-mini:hover .nav-icon-stroke,
.nav-main:hover .nav-icon-stroke {
  stroke: var(--brand-black) !important;
}

.nav-mini:hover .nav-icon-fill,
.nav-main:hover .nav-icon-fill {
  fill: var(--brand-black) !important;
}

/* Link hover effects */
.nav-group .nav-mini a:hover,
.nav-group .nav-main a:hover {
  color: var(--brand-pink) !important;
}

.nav-group:hover .nav-mini a:hover,
.nav-group:hover .nav-main a:hover,
.nav-group.scrolled .nav-mini a:hover,
.nav-group.scrolled .nav-main a:hover {
  color: var(--brand-pink) !important;
}

/* Main nav link underlines */
.nav-main a {
  position: relative;
}

.nav-main a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--brand-pink);
  transition: width 0.3s ease;
}

.nav-main a:hover::after {
  width: 100%;
}

/* Prevent underline on logo link */
.nav-logo-link::after {
  display: none !important;
}


/* Cross-hover effects using JavaScript classes */
.nav-group:hover .nav-mini,
.nav-group:hover .nav-main {
  background-color: white;
}

.nav-group:hover:not(.scrolled) .nav-main {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-group:hover .nav-text {
  color: var(--brand-black) !important;
}

.nav-group:hover .nav-text.brand-accent,
.nav-group:hover .nav-icon-stroke.brand-accent {
  color: var(--brand-pink) !important;
  stroke: var(--brand-pink) !important;
}

.nav-group:hover .nav-icon-fill.brand-accent {
  fill: var(--brand-pink) !important;
}

.nav-group:hover .nav-icon-stroke {
  stroke: var(--brand-black) !important;
}

.nav-group:hover .nav-icon-fill {
  fill: var(--brand-black) !important;
}

.nav-group:hover .nav-logo {
  content: url("/icon-border.svg");
}

/* Scroll effect - when page is scrolled */
.nav-group.scrolled .nav-mini,
.nav-group.scrolled .nav-main {
  background-color: white;
}

.nav-group.scrolled .nav-text {
  color: var(--brand-black) !important;
}

.nav-group.scrolled .nav-text.brand-accent,
.nav-group.scrolled .nav-icon-stroke.brand-accent {
  color: var(--brand-pink) !important;
  stroke: var(--brand-pink) !important;
}

.nav-group.scrolled .nav-icon-fill.brand-accent {
  fill: var(--brand-pink) !important;
}

.nav-group.scrolled .nav-icon-stroke {
  stroke: var(--brand-black) !important;
}

.nav-group.scrolled .nav-icon-fill {
  fill: var(--brand-black) !important;
}

.nav-group.scrolled .nav-logo {
  content: url("/icon-border.svg");
}

/* Hide mini bar when scrolled */
.nav-group.scrolled .nav-mini {
  transform: translateY(-100%);
  opacity: 0;
}

/* Main nav border */
.nav-main {
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  border-top: 1px solid transparent;
  transition: background-color 0.3s, backdrop-filter 0.3s;
}

/* Adjust main nav position when mini bar is hidden */
.nav-group.scrolled .nav-main {
  top: 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

/* Auto-hover effect for featured projects */
.auto-hover img {
  transform: scale(1.05) !important;
}

.auto-hover .bg-gray-900\/30 {
  opacity: 0 !important;
}

.auto-hover .bg-gradient-to-t {
  opacity: 1 !important;
}

.auto-hover .absolute.inset-0.flex {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Partners marquee animation */
.marquee {
  display: flex;
  gap: 3rem;
}

.marquee:hover {
  animation-play-state: paused;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Ensure smooth scrolling works across all browsers */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Insights Page Styles */
/* Navigation override - apply hover styles by default */
.nav-insights-override .nav-mini,
.nav-insights-override .nav-main {
  background-color: white !important;
  backdrop-filter: blur(10px);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.nav-insights-override .nav-main {
  border-top: 1px solid rgba(0, 0, 0, 0.1) !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1) !important;
}

.nav-insights-override .nav-text {
  color: var(--brand-black) !important;
}

.nav-insights-override .nav-icon-fill {
  fill: var(--brand-black) !important;
}

.nav-insights-override .nav-icon-stroke {
  stroke: var(--brand-black) !important;
}

/* Brand accent colors (logo text, language icons) */
.nav-insights-override .nav-text.brand-accent {
  color: var(--brand-pink) !important;
}

.nav-insights-override .nav-icon-stroke.brand-accent {
  stroke: var(--brand-pink) !important;
}

.nav-insights-override .nav-icon-fill.brand-accent {
  fill: var(--brand-pink) !important;
}

/* Use bordered logo by default */
.nav-insights-override .nav-logo {
  content: url("/icon-border.svg") !important;
}

/* Category Filter Styles */
.category-filter.active {
  background-color: var(--brand-pink) !important;
  color: white !important;
  font-weight: 600;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  opacity: 0.8;
}