/* Modern Web Design System for ALVARADO WORK */

:root {
  /* Dynamic centimeter conversion relative to standard 16:9 screens */
  --cm: 1.48vw; 
  --pt: calc(var(--cm) / 28.346); /* 1cm = 28.346pt */

  /* Palette */
  --color-white: #FFFFFF;
  --color-dark: #1D1D1B;
  --color-gray: #ADADAD;
  --color-red: #E30613;

  /* Layout Proportions from PDF */
  --top-margin: calc(3.2 * var(--cm));
  --left-margin: calc(3.2 * var(--cm));
  --gap: calc(11.8 * var(--cm));
  
  --alvarado-width: calc(19.2 * var(--cm));
  --work-width: calc(11.2 * var(--cm));
  --contact-width: calc(18.9 * var(--cm));
  --contact-bottom: calc(2.8 * var(--cm));

  /* Font Sizes */
  --font-size-large: calc(118.16 * var(--pt));
  --font-size-medium: calc(25 * var(--pt));
  --font-size-small: calc(16 * var(--pt));

  /* Transitions */
  --transition-speed: 0.6s;
  --transition-easing: cubic-bezier(0.25, 1, 0.5, 1);
}

/* Override scale factor for displays wider than 16:9 to lock dimensions relative to container height */
@media (min-aspect-ratio: 16/9) {
  :root {
    --cm: calc(100vh * 16 / 9 * 0.0148);
  }
}

/* Core Settings */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Franklin Gothic Medium", "Franklin Gothic Demi", "Libre Franklin", -apple-system, sans-serif;
  background-color: #0d0d0d;
  color: var(--color-white);
  overflow: hidden; /* disable browser-level scrolls */
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-speed) var(--transition-easing);
}

/* Centered 16:9 Slides Deck Container (Now Full Screen Viewport) */
.app-shell {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background-color: #000;
  transition: background-color var(--transition-speed) var(--transition-easing);
}

/* Background video and fallback controls */
.bg-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
  transition: opacity var(--transition-speed) var(--transition-easing);
}

#bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Smooth ambient flower animation fallback/overlay */
.bg-fallback {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: -1;
  opacity: 0.9;
  filter: blur(10px);
  transform: scale(1.05);
  animation: bgPan 40s ease-in-out infinite alternate;
}

.bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.25);
  z-index: 2;
}

@keyframes bgPan {
  0% { transform: scale(1.05) translate(0px, 0px) rotate(0deg); }
  50% { transform: scale(1.1) translate(10px, -5px) rotate(1deg); }
  100% { transform: scale(1.05) translate(-10px, 5px) rotate(-0.5deg); }
}

/* Main sticky/floating header */
.main-header {
  position: absolute;
  top: var(--top-margin);
  left: var(--left-margin);
  width: calc(100% - (2 * var(--left-margin)));
  z-index: 100;
  transition: top var(--transition-speed) var(--transition-easing),
              left var(--transition-speed) var(--transition-easing),
              width var(--transition-speed) var(--transition-easing);
}

.header-container {
  display: flex;
  align-items: flex-start;
}

.brand-title {
  font-size: var(--font-size-large);
  font-weight: 800;
  width: var(--alvarado-width);
  letter-spacing: -0.04em;
  line-height: 0.85;
  cursor: pointer;
  user-select: none;
  color: var(--color-white);
  transition: color var(--transition-speed) var(--transition-easing);
}

.menu-trigger-container {
  margin-left: var(--gap);
  position: relative;
}

.menu-trigger {
  font-family: inherit;
  font-size: var(--font-size-large);
  font-weight: 800;
  color: var(--color-white);
  background: none;
  border: none;
  cursor: pointer;
  letter-spacing: -0.04em;
  line-height: 0.85;
  outline: none;
  transition: color var(--transition-speed) var(--transition-easing),
              opacity 0.2s ease;
}

.menu-trigger::after {
  content: '';
  display: block;
  width: 0%;
  height: calc(4 * var(--pt));
  background-color: var(--color-white);
  margin-top: calc(0.3 * var(--cm));
  transition: width 0.3s var(--transition-easing),
              background-color var(--transition-speed) var(--transition-easing);
}

.menu-trigger.active::after {
  width: 100%;
}

.projects-card {
  position: absolute;
  top: calc(var(--font-size-large) + calc(0.6 * var(--cm)));
  left: 0;
  width: calc(18 * var(--cm));
  height: calc(13.4 * var(--cm)); /* Adjusted closed height for 5 projects */
  max-width: 90vw;
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 255, 255, 0.85); /* distinct white border */
  border-radius: calc(1.2 * var(--cm));
  backdrop-filter: blur(25px) saturate(120%);
  -webkit-backdrop-filter: blur(25px) saturate(120%);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  padding-top: calc(1.8 * var(--cm));
  padding-left: calc(0.8 * var(--cm));
  padding-right: calc(0.8 * var(--cm));
  padding-bottom: 0;
  opacity: 0;
  transform: translateY(-20px);
  pointer-events: none;
  transition: opacity 0.4s var(--transition-easing),
              transform 0.4s var(--transition-easing);
  overflow: hidden;
  z-index: 90;
}

.projects-card.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.projects-card.has-hovered {
  height: calc(21.2 * var(--cm)); /* Adjusted expanded height for 5 projects */
}

.projects-list {
  display: flex;
  flex-direction: column;
}/* Individual project items */
.project-item {
  display: flex;
  flex-direction: column;
  height: calc(1.8 * var(--cm));
  border: 2px solid rgba(255, 255, 255, 0.85); /* white outline border */
  border-radius: 9999px; /* pill shape */
  background-color: rgba(120, 120, 120, 0.4); /* medium gray frosted background */
  margin-bottom: calc(0.4 * var(--cm)); /* spacing between pills */
  overflow: hidden;
  transition: none;
}

.project-title {
  font-family: inherit;
  font-size: var(--font-size-medium);
  font-weight: 700;
  color: var(--color-white);
  background: none;
  border: none;
  text-align: center; /* center-aligned */
  height: calc(1.8 * var(--cm));
  line-height: calc(1.8 * var(--cm));
  cursor: pointer;
  width: 100%;
  outline: none;
  padding: 0;
  transition: color 0.3s ease;
}

.project-item:hover .project-title {
  color: var(--color-white);
}

.project-item.hovered {
  height: calc(9.8 * var(--cm));
  background-color: rgba(120, 120, 120, 0.4);
  border-radius: calc(0.8 * var(--cm));
  padding: 0 calc(0.8 * var(--cm));
  margin: calc(0.1 * var(--cm)) 0;
  border-color: rgba(255, 255, 255, 0.85); /* Keep border visible */
}

.project-item.hovered .project-title {
  color: var(--color-white);
}

.project-item.hovered:hover .project-title {
  color: var(--color-white);
}

.project-summary-panel {
  height: calc(8.0 * var(--cm));
  opacity: 0;
  transition: none;
  display: flex;
  flex-direction: column;
  position: relative; /* relative positioning to anchor the arrow */
}

.project-item.hovered .project-summary-panel {
  opacity: 1;
}

.summary-line {
  width: 80%; /* centered narrower separator line */
  height: calc(2 * var(--pt));
  background-color: var(--color-white);
  margin-top: calc(0.2 * var(--cm));
  margin-bottom: calc(0.6 * var(--cm));
  margin-left: auto;
  margin-right: auto;
  transition: background-color 0.3s ease;
}

.project-item.hovered .summary-line {
  background-color: var(--color-white);
}

.summary-text {
  font-size: calc(13 * var(--pt));
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
  max-width: 85%;
  text-align: center; /* centered details */
  margin: 0 auto;
}

.summary-content-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-top: calc(0.4 * var(--cm));
  height: 100%;
}

.project-arrow-link {
  position: absolute;
  bottom: calc(0.3 * var(--cm));
  right: calc(0.3 * var(--cm));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray);
  transition: all 0.3s var(--transition-easing);
  pointer-events: none;
}

.project-arrow-link .arrow-svg {
  width: calc(0.8 * var(--cm)); /* clean thin right arrow size */
  height: calc(0.8 * var(--cm));
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  transition: transform 0.3s var(--transition-easing);
}

.project-item.hovered .project-arrow-link {
  color: var(--color-white);
}

.project-item.hovered:hover .project-arrow-link {
  color: var(--color-white);
}

.project-item.hovered:hover .project-arrow-link .arrow-svg {
  transform: translateX(4px);
}

/* Page states transitions */
body.state-project {
  background-color: var(--color-white);
  color: var(--color-dark);
}

body.state-project .app-shell {
  background-color: var(--color-white);
}

body.state-project .bg-container {
  opacity: 0;
  pointer-events: none;
}

body.state-project .brand-title,
body.state-project .menu-trigger {
  color: var(--color-dark);
}

body.state-project .menu-trigger::after {
  background-color: var(--color-dark);
}

/* Disable top transition on header during project view to avoid lag during scroll */
body.state-project .main-header {
  transition: left var(--transition-speed) var(--transition-easing),
              width var(--transition-speed) var(--transition-easing);
}

/* Project detail elements scroll setup (Page 4 & 5) */
.project-detail-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  opacity: 0;
  pointer-events: none;
  z-index: 10;
  transition: opacity var(--transition-speed) var(--transition-easing);
  scrollbar-width: thin;
}

body.state-project .project-detail-container {
  opacity: 1;
  pointer-events: auto;
}

/* Images and plan display block */
.project-visuals-block {
  display: flex;
  flex-direction: column;
  gap: calc(2.8 * var(--cm));
  width: 100%;
  padding-top: calc(10.5 * var(--cm));
  padding-bottom: calc(10 * var(--cm));
}

.project-detail-container.no-description .detail-scroll-content {
  display: none;
}

.project-detail-container.no-description .project-visuals-block {
  gap: 0 !important;
  padding-bottom: 0 !important;
}

.visual-item {
  width: 100%;
  margin: 0;
}

.project-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0;
  box-shadow: none;
}

.visual-caption {
  display: none !important;
}

/* Sticky behavior logic helper class (applied when stuck at top of shell) */
body.state-project.header-stuck .main-header {
  background-color: transparent;
  box-shadow: none;
}

.main-footer {
  position: absolute;
  bottom: var(--contact-bottom);
  right: var(--left-margin);
  left: auto;
  width: auto;
  z-index: 100;
  opacity: 1;
  pointer-events: auto;
  transition: opacity var(--transition-speed) var(--transition-easing),
              bottom var(--transition-speed) var(--transition-easing),
              right var(--transition-speed) var(--transition-easing);
}

body.state-project .main-footer {
  opacity: 0;
  pointer-events: none;
}

.contact-trigger-container {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.contact-btn {
  font-family: inherit;
  font-size: var(--font-size-large);
  font-weight: 800;
  background: none;
  border: none;
  cursor: pointer;
  outline: none;
  letter-spacing: normal;
  line-height: 0.85;
  user-select: none;
  
  /* Outline Text Effect (Default) */
  color: transparent;
  -webkit-text-stroke: calc(2 * var(--pt)) var(--color-white);
  
  transition: color var(--transition-speed) var(--transition-easing),
              -webkit-text-stroke var(--transition-speed) var(--transition-easing);
}

body.state-project .contact-btn {
  -webkit-text-stroke: calc(2 * var(--pt)) var(--color-dark);
}

/* When the contact popover is active, the main text becomes filled */
.contact-btn.active {
  color: var(--color-white) !important;
  -webkit-text-stroke: none !important;
}

body.state-project .contact-btn.active {
  color: var(--color-dark) !important;
}

/* Contact popover styles (Page 6) */
.contact-popup {
  position: absolute;
  bottom: calc(var(--font-size-large) * 0.82);
  right: 0;
  width: var(--contact-width);
  height: auto;
  padding: calc(0.5 * var(--cm)) calc(0.8 * var(--cm));
  border: calc(3 * var(--pt)) solid var(--color-red);
  background: rgba(255, 255, 255, 0.12);
  border-radius: calc(1.2 * var(--cm));
  backdrop-filter: blur(25px) saturate(120%);
  -webkit-backdrop-filter: blur(25px) saturate(120%);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  opacity: 0;
  transform: translateY(15px);
  pointer-events: none;
  transition: opacity 0.3s var(--transition-easing),
              transform 0.3s var(--transition-easing);
}

.contact-popup.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}.contact-info-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  gap: calc(0.12 * var(--cm));
}

.contact-header-link {
  font-size: var(--font-size-medium); /* 25 pt */
  font-weight: 800;
  color: var(--color-red);
  text-decoration: none;
  line-height: 1.1;
  letter-spacing: -0.02em;
  transition: opacity 0.2s ease;
}

.contact-header-link:hover {
  opacity: 0.7;
}

/* Responsive adjustments for Mobile Devices */
@media (max-width: 768px) {
  :root {
    --cm: 10px; /* Use stable base value on mobile */
    --left-margin: 20px;
    --top-margin: 30px;
    
    --font-size-large: 38px;
    --font-size-medium: 18px;
    --font-size-small: 14px;
    
    --contact-width: calc(100vw - 40px);
  }
  
  /* Make app shell fill full screen instead of 16:9 box */
  .app-shell {
    width: 100vw;
    height: 100vh;
    box-shadow: none;
    border-radius: 0;
  }

  /* Ensure background video adjusts correctly on mobile viewport */
  .bg-container, #bg-video {
    width: 100% !important;
    height: 100% !important;
    top: 0 !important;
    left: 0 !important;
    object-fit: cover !important;
  }
  
  .main-header {
    left: var(--left-margin);
    width: calc(100% - (2 * var(--left-margin)));
  }
  
  .header-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    width: 100%;
  }
  
  .brand-title {
    font-size: var(--font-size-large);
    width: auto;
  }
  
  .menu-trigger-container {
    margin-left: 0;
    margin-top: 0;
    width: auto;
  }
  
  .menu-trigger {
    font-size: var(--font-size-large);
  }
  
  .menu-trigger::after {
    height: 2px;
    margin-top: 4px;
  }
  
  /* Projects Dropdown mobile optimization */
  .projects-card {
    width: calc(100vw - 40px);
    max-width: 330px;
    right: 0;
    left: auto;
    height: auto;
    max-height: calc(100vh - 130px);
    border: 1.5px solid rgba(255, 255, 255, 0.85); /* white card outline on mobile */
    border-radius: 16px;
    padding: 14px 12px;
    top: calc(var(--font-size-large) + 12px);
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  }
  
  .projects-card.has-hovered {
    height: auto;
  }
  
  .projects-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .project-item {
    height: 38px;
    min-height: 38px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1.5px solid rgba(255, 255, 255, 0.85); /* delicate white outline for mobile pills */
    border-radius: 9999px; /* pill shape on mobile */
    background-color: rgba(120, 120, 120, 0.4);
    margin: 0;
    padding: 0 14px;
    overflow: hidden;
    box-sizing: border-box;
    transition: none;
  }
  
  .project-title {
    font-size: 11.5px;
    font-weight: 700;
    height: auto;
    line-height: 38px;
    padding: 0;
    text-align: center; /* center title */
    color: var(--color-white);
    letter-spacing: 0.03em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
    margin: 0;
  }
  
  .project-item:not(.hovered) .project-summary-panel {
    display: none;
  }

  .project-item.hovered {
    height: auto;
    min-height: auto;
    padding: 12px 14px 14px 14px;
    margin: 2px 0;
    border-radius: 14px; /* clean rounded square card when expanded */
    border: 1.5px solid rgba(255, 255, 255, 0.85);
    background-color: rgba(120, 120, 120, 0.45);
  }

  .project-item.hovered .project-title {
    line-height: 1.3;
    padding: 0 0 4px 0;
    white-space: normal;
  }
  
  .project-summary-panel {
    height: auto;
    margin-top: 4px;
    position: relative;
    padding-bottom: 20px; /* space for absolute arrow */
    opacity: 1;
    display: flex;
    flex-direction: column;
  }
  
  .summary-line {
    margin-top: 2px;
    margin-bottom: 8px;
    height: 1px;
    width: 75%;
    background-color: rgba(255, 255, 255, 0.7);
    margin-left: auto;
    margin-right: auto;
  }
  
  .summary-content-wrapper {
    margin-top: 2px;
  }
  
  .summary-text {
    font-size: 10.5px;
    font-weight: 400;
    text-align: center; /* center description */
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.9);
    max-width: 92%;
    margin: 0 auto;
  }
  
  .project-arrow-link {
    width: auto;
    height: auto;
    border: none;
    margin-bottom: 0;
    position: absolute;
    bottom: 0px;
    right: 4px;
    color: var(--color-white);
    opacity: 1;
  }
  
  .project-arrow-link .arrow-svg {
    width: 15px;
    height: 15px;
    stroke-width: 1.8;
  }
  
  .project-visuals-block {
    gap: 20px;
    padding-top: 80px;
    padding-bottom: 80px;
  }
  
  .visual-caption {
    font-size: 11px;
    margin-top: 6px;
    padding-left: var(--left-margin);
    padding-right: var(--left-margin);
  }
  
  /* Footer & Contact on mobile */
  .main-footer {
    left: var(--left-margin);
    width: calc(100% - (2 * var(--left-margin)));
    bottom: 25px;
  }
  
  .contact-trigger-container {
    width: 100%;
    align-items: flex-end;
  }
  
  .contact-btn {
    font-size: var(--font-size-large);
    -webkit-text-stroke: 1.5px var(--color-white);
  }
  
  body.state-project .contact-btn {
    -webkit-text-stroke: 1.5px var(--color-dark);
  }
  
  .contact-popup {
    width: calc(100vw - 40px);
    height: auto;
    padding: 20px;
    bottom: 45px;
    border-radius: 12px;
  }
  
  .contact-info-content {
    gap: 12px;
  }
  
  .contact-header-link {
    font-size: var(--font-size-medium);
  }
}