/* Light Editorial CSS — Vlad Hulin Portfolio · Fluid Micro-Animations Edition */

@import url('colors.css');
@import url('typography.css');

/* ─────────────────────────────────────────────────
   Animation Tokens & Timing Variables
───────────────────────────────────────────────── */
:root {
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 150ms;
  --dur-base: 220ms;
  --dur-slow: 380ms;
}

/* ─────────────────────────────────────────────────
   Base
───────────────────────────────────────────────── */
body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-primary);
  transition: background-color 0.2s ease, color 0.2s ease;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─────────────────────────────────────────────────
   Page Entrance — staggered fade-up
───────────────────────────────────────────────── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* Hero section cascade */
main>section>* {
  animation: fadeUp var(--dur-slow) var(--ease-out-expo) both;
}

main>section>*:nth-child(1) {
  animation-delay: 0ms;
}

main>section>*:nth-child(2) {
  animation-delay: 60ms;
}

main>section>*:nth-child(3) {
  animation-delay: 120ms;
}

main>section>*:nth-child(4) {
  animation-delay: 180ms;
}

main>section>*:nth-child(5) {
  animation-delay: 220ms;
}

/* ─────────────────────────────────────────────────
   Sidebar entrance
───────────────────────────────────────────────── */
#contacts-sidebar {
  transition: opacity var(--dur-base) var(--ease-out-expo),
    transform var(--dur-base) var(--ease-out-expo);
}

/* ─────────────────────────────────────────────────
   Case Study View — transitions controlled by JS
───────────────────────────────────────────────── */
#case-study-view {
  will-change: opacity, transform;
}

/* ─────────────────────────────────────────────────
   Hero Tabs ↔ Back Row transition
───────────────────────────────────────────────── */
#hero-tabs-row,
#hero-back-row {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--dur-base) var(--ease-out-expo),
    transform var(--dur-fast) var(--ease-out-expo);
}

#hero-back-row:not(.hidden) {
  animation: fadeUp 200ms var(--ease-out-expo) both;
}

/* ─────────────────────────────────────────────────
   Editorial Container Cards
───────────────────────────────────────────────── */
.editorial-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
  transition: border-color var(--dur-base) ease,
    box-shadow var(--dur-base) ease,
    transform var(--dur-base) var(--ease-out-expo);
}

.editorial-card:hover {
  border-color: #d1d1d6;
  box-shadow: 0 4px 16px -4px rgba(0, 0, 0, 0.06);
  transform: translateY(-1px);
}

/* ─────────────────────────────────────────────────
   Project Cards — entrance handled by JS load, hover by CSS
───────────────────────────────────────────────── */
.project-card {
  cursor: pointer;
  will-change: transform;
  transition: transform var(--dur-base) var(--ease-out-expo);
}

.project-card:hover {
  transform: translateY(-2px);
}

.project-card:hover img {
  transform: scale(1.04);
}

.project-card img {
  transition: transform 400ms var(--ease-out-expo);
}

.project-card h3 {
  transition: color var(--dur-fast) ease;
}

.project-card:hover h3 {
  color: #000;
}

/* ─────────────────────────────────────────────────
   Tab Buttons
───────────────────────────────────────────────── */
.tab-btn {
  position: relative;
  transition: color var(--dur-fast) ease;
}

/* Animated underline grows on active */
.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 2px;
  background: #111113;
  transition: width var(--dur-base) var(--ease-out-expo);
}

.tab-btn.border-b-2::after,
.tab-btn[class*="border-b-2"]::after {
  width: 100%;
}

/* ─────────────────────────────────────────────────
   Sidebar Tab Buttons
───────────────────────────────────────────────── */
.sidebar-tab-btn {
  transition: color var(--dur-fast) ease;
  position: relative;
}

/* ─────────────────────────────────────────────────
   Dropdown Picker
───────────────────────────────────────────────── */
.custom-picker-menu {
  box-shadow: 0 12px 32px -8px rgba(0, 0, 0, 0.12), 0 4px 12px -2px rgba(0, 0, 0, 0.04);
  transform-origin: top left;
  animation: pickerScaleIn 0.18s var(--ease-out-expo) forwards;
}

@keyframes pickerScaleIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-6px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.picker-item {
  transition: background-color var(--dur-fast) ease,
    color var(--dur-fast) ease;
}

.picker-item.active {
  background-color: #f4f4f5;
  font-weight: 600;
}

/* Custom Picker Trigger arrow */
.custom-picker-trigger svg {
  transition: transform var(--dur-base) var(--ease-out-expo);
}

/* ─────────────────────────────────────────────────
   Contact & Link Rows
───────────────────────────────────────────────── */
a[href],
button {
  transition: color var(--dur-fast) ease,
    background-color var(--dur-fast) ease,
    border-color var(--dur-fast) ease,
    transform var(--dur-fast) var(--ease-out-expo),
    opacity var(--dur-fast) ease;
}

/* Social icon buttons */
header a[title],
header button {
  transition: color var(--dur-fast) ease,
    background-color var(--dur-fast) ease,
    border-color var(--dur-fast) ease,
    transform var(--dur-fast) var(--ease-out-expo);
}

header a[title]:hover,
header button:hover {
  transform: translateY(-1px);
}

/* Contact card rows */
.editorial-card a:hover {
  transform: translateX(2px);
}

/* ─────────────────────────────────────────────────
   Case Study Metrics — JS-controlled, no CSS animation
───────────────────────────────────────────────── */
#cs-metrics>div {
  transition: transform var(--dur-base) var(--ease-out-expo),
    box-shadow var(--dur-base) var(--ease-out-expo);
}

#cs-metrics>div:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px -4px rgba(0, 0, 0, 0.08);
}

/* ─────────────────────────────────────────────────
   Custom Scrollbar
───────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
  background: #d4d4d8;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a1a1aa;
}

.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* ─────────────────────────────────────────────────
   Tab Active State (legacy compat)
───────────────────────────────────────────────── */
.tab-btn.active {
  color: var(--text-display);
  border-bottom: 2px solid var(--text-display);
}

/* ─────────────────────────────────────────────────
   Sidebar Jobs / Experience rows
───────────────────────────────────────────────── */
.sidebar-panel>div {
  transition: background-color var(--dur-fast) ease;
  border-radius: 8px;
  padding-left: 8px;
  padding-right: 8px;
  margin-left: -8px;
  margin-right: -8px;
}

.sidebar-panel>div:hover {
  background-color: #f8f8f9;
}

/* ─────────────────────────────────────────────────
   Hero Back Row entrance
───────────────────────────────────────────────── */
#hero-back-btn {
  transition: color var(--dur-fast) ease,
    gap var(--dur-fast) ease,
    transform var(--dur-base) var(--ease-out-expo);
}

#hero-back-btn:hover {
  transform: translateX(-2px);
}

/* ─────────────────────────────────────────────────
   Stack tags
───────────────────────────────────────────────── */
.editorial-card .font-mono[class*="px-2"] {
  transition: background-color var(--dur-fast) ease,
    border-color var(--dur-fast) ease,
    color var(--dur-fast) ease,
    transform var(--dur-fast) var(--ease-out-expo);
}

.editorial-card .font-mono[class*="px-2"]:hover {
  background-color: #f0f0f2;
  border-color: #c8c8ce;
  transform: translateY(-1px);
}

/* ─────────────────────────────────────────────────
   Tag Component System
   Font: Mona Sans, Font-size: 14px (0.875rem)
   Types: Rectangular (.tag-rect) & Rounded (.tag-rounded / .tag-pill)
───────────────────────────────────────────────── */
.tag-rect {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  border-radius: 0.375rem;
  /* 6px rectangular */
  background-color: #f4f4f6;
  color: #18181b;
  border: 1px solid #e4e4e7;
  font-family: 'Mona Sans', -apple-system, sans-serif !important;
  font-size: 12px !important;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.2px;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.tag-rect:hover {
  background-color: #e4e4e7;
  border-color: #d4d4d8;
  color: #09090b;
}

.tag-rounded,
.tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  /* full rounded pill */
  background-color: #ffffff;
  color: #3f3f46;
  border: 1px solid #e4e4e7;
  font-family: 'Mona Sans', -apple-system, sans-serif !important;
  font-size: 12px !important;
  font-weight: 500;
  line-height: 1.35;
  white-space: nowrap;
  transition: all 0.15s ease;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
}

.tag-rounded:hover,
.tag-pill:hover {
  border-color: #a1a1aa;
  color: #09090b;
  background-color: #fafafa;
}