/* ==========================================================================
   UNICUS MARKETING — PORTFOLIO PAGE STYLESHEET
   File: /assets/css/portfolio.css
   Version: 2.0
   ==========================================================================

   AI / DEVELOPER REFERENCE — APPROVED PAGE STANDARD

   PURPOSE
   This file contains only the presentation rules unique to portfolio.php.
   It must load after /assets/css/global.css.

   REQUIRED PAGE HOOK
   The Portfolio page body element must include:
   <body class="page-portfolio">

   APPROVED FONT SYSTEM
   Display / headlines: "Bebas Neue", sans-serif
   Body / interface:    "Inter", Arial, sans-serif
   Font families are defined and loaded through the global foundation.
   Do not introduce Oswald or another display font.

   APPROVED BRAND FOUNDATION
   Primary copper (gold): #e48240
   Visual direction: dark, cinematic, precise, restrained

   ARCHITECTURE RULES
   - Keep every selector scoped beneath .page-portfolio.
   - Keep only Portfolio-page sections, imagery, layouts, and responsive rules here.
   - Do not duplicate resets, header, navigation, footer, shared buttons, or
     other sitewide components from global.css.
   - Do not place <style> tags in this file.
   - Do not move these rules into portfolio.php.
   - Do not use inline CSS except for a legitimate dynamic value.
   - Preserve approved content and visual appearance during maintenance.
   - sections.css, style_dev.css, and template.css are retired.

   CONTENTS
   01. Page Control
   02. Layout and Typography
   03. Hero Section
   04. Browser / Controls
   05. Gallery Layouts and Cards
   06. Footer, Modal and Toast
   07. Responsive — Tablet
   08. Responsive — Mobile
   ========================================================================== */

/* ==========================================================================
   01. Page Control
   The adjustable gallery size is a genuine Portfolio-only runtime value.
   ========================================================================== */

:root {
  --portfolio-grid-size: 300px;
}

/* ==========================================================================
   02. Layout and Typography
   ========================================================================== */

.page-portfolio .portfolio-page {
  overflow: hidden;
  background: var(--black-light);
}

.page-portfolio.portfolio-modal-open {
  overflow: hidden;
}

/* ==========================================================================
   03. Hero Section
   ========================================================================== */

.page-portfolio .portfolio-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: flex-end;
  padding: 300px 0 70px;
  background:
    linear-gradient(90deg, rgba(var(--black-rgb), .98) 0%, rgba(var(--black-rgb), .84) 46%, rgba(var(--black-rgb), .42) 100%),
    radial-gradient(circle at 82% 48%, rgba(var(--primary-rgb), .28), transparent 34%),
    url("../images/portfolio-hero-background.png") center center / cover no-repeat;
  border-bottom: 1px solid rgba(var(--primary-rgb), .24);
}

.page-portfolio .portfolio-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .18;
  background-image:
    linear-gradient(rgba(var(--white-rgb), .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--white-rgb), .055) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(90deg, var(--black), transparent 88%);
}

.page-portfolio .portfolio-hero::after {
  content: 'THE WORK';
  position: absolute;
  right: -12px;
  bottom: -48px;
  font-family: var(--font-display);
  font-size: clamp(100px, 16vw, 340px);
  line-height: .8;
  color: rgba(var(--white-rgb), .022);
  white-space: nowrap;
  pointer-events: none;
}

.page-portfolio .portfolio-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1050px;
}

.page-portfolio .portfolio-hero .hero-title span {
  display: block;
}

.page-portfolio .portfolio-hero-copy {
  display: grid;
  grid-template-columns: minmax(0, 690px) auto;
  gap: 40px;
  align-items: end;
  margin-top: 32px;
}

.page-portfolio .portfolio-hero-copy p {
  margin: 0;
}

.page-portfolio .portfolio-count {
  padding-left: 24px;
  border-left: 1px solid rgba(var(--primary-rgb), .45);
}

.page-portfolio .portfolio-count strong {
  display: block;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 42px;
  line-height: 1;
}

.page-portfolio .portfolio-count span {
  display: block;
  margin-top: 6px;
  color: var(--primary);
  font: 700 10px/1.3 var(--font-body);
  letter-spacing: .16em;
  text-transform: uppercase;
}

/* ==========================================================================
   04. Browser / Controls
   ========================================================================== */

.page-portfolio .portfolio-browser {
  position: relative;
  padding: 60px 0 100px;
}

.page-portfolio .portfolio-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 40px;
}

.page-portfolio .portfolio-intro h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 4.5vw, 82px);
  line-height: .95;
  text-transform: uppercase;
}

.page-portfolio .portfolio-intro h2 span {
  color: var(--primary);
}

.page-portfolio .portfolio-intro p {
  max-width: 650px;
  margin: 0 0 4px auto;
  color: var(--medium-gray);
  font: 400 15px/1.7 var(--font-body);
}

.page-portfolio .portfolio-controls {
  position: relative;
  z-index: 20;
  margin-bottom: 32px;
  border: 1px solid var(--border-strong);
  background: rgba(18, 18, 18, .96);
  box-shadow: 0 18px 70px rgba(var(--black-rgb), .25);
}

.page-portfolio .portfolio-control-row {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 68px;
  padding: 12px 20px;
  flex-wrap: wrap;
}

.page-portfolio .portfolio-control-label {
  flex: 0 0 auto;
  color: var(--muted-gray);
  font: 700 10px/1 var(--font-body);
  letter-spacing: .16em;
  text-transform: uppercase;
}

.page-portfolio .portfolio-scroll {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  white-space: nowrap;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.page-portfolio .portfolio-scroll::-webkit-scrollbar {
  display: none;
}

.page-portfolio .portfolio-filter,
.page-portfolio .portfolio-view {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--light-gray);
  padding: 10px 14px;
  font: 700 11px/1 var(--font-body);
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: .25s ease;
  flex-shrink: 0;
}

.page-portfolio .portfolio-filter:hover,
.page-portfolio .portfolio-view:hover {
  color: var(--white);
  border-color: var(--border-strong);
}

.page-portfolio .portfolio-filter.active,
.page-portfolio .portfolio-view.active {
  color: var(--black-light);
  background: var(--primary);
  border-color: var(--primary);
}

.page-portfolio .portfolio-filter small {
  margin-left: 6px;
  opacity: .65;
  font-size: 9px;
}

.page-portfolio .portfolio-view-control-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.page-portfolio .portfolio-view-set {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.page-portfolio .portfolio-size {
  display: none;
  align-items: center;
  gap: 10px;
  color: var(--medium-gray);
  font: 600 10px/1 var(--font-body);
  letter-spacing: .1em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.page-portfolio .portfolio-size.visible {
  display: flex;
}

.page-portfolio .portfolio-size input {
  width: 90px;
  accent-color: var(--primary);
  cursor: pointer;
}

.page-portfolio .portfolio-mobile-dropdown-wrap {
  display: none;
  width: 100%;
}

.page-portfolio .portfolio-results {
  margin-left: auto;
  color: var(--muted-gray);
  font: 600 10px/1 var(--font-body);
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ==========================================================================
   05. Gallery Layouts and Cards
   ========================================================================== */

.page-portfolio .portfolio-gallery {
  min-height: 400px;
  transition: opacity .2s ease;
}

.page-portfolio .portfolio-gallery.loading {
  opacity: .35;
}

.page-portfolio .portfolio-gallery.cinematic {
  columns: 4 260px;
  column-gap: 14px;
}

.page-portfolio .portfolio-gallery.cinematic .portfolio-card {
  display: inline-block;
  width: 100%;
  margin: 0 0 14px;
}

.page-portfolio .portfolio-gallery.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, var(--portfolio-grid-size)), 1fr));
  gap: 14px;
}

.page-portfolio .portfolio-gallery.grid .portfolio-card-media {
  aspect-ratio: 4/3;
}

.page-portfolio .portfolio-gallery.compact {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}

.page-portfolio .portfolio-gallery.compact .portfolio-card-media {
  aspect-ratio: 1/1;
}

.page-portfolio .portfolio-gallery.compact .portfolio-card-info {
  display: none;
}

.page-portfolio .portfolio-card {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid rgba(var(--white-rgb), .08);
  cursor: pointer;
  break-inside: avoid;
}

.page-portfolio .portfolio-card-media {
  position: relative;
  overflow: hidden;
  min-height: 140px;
  background: var(--panel);
}

.page-portfolio .portfolio-card-media img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 100%;
  object-fit: cover;
  transition: transform .65s cubic-bezier(.2, .8, .2, 1), filter .35s ease;
}

.page-portfolio .portfolio-gallery:not(.cinematic) .portfolio-card-media img {
  height: 100%;
}

.page-portfolio .portfolio-card:hover .portfolio-card-media img,
.page-portfolio .portfolio-card.portfolio-video .portfolio-card-media img {
  transform: scale(1.035);
  filter: brightness(.64);
}

.page-portfolio .portfolio-card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(var(--black-rgb), .68));
  transition: opacity .3s ease;
}

.page-portfolio .portfolio-card:hover .portfolio-card-overlay,
.page-portfolio .portfolio-card.portfolio-video .portfolio-card-overlay {
  opacity: 1;
}

.page-portfolio .portfolio-open-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(var(--white-rgb), .7);
  border-radius: 50%;
  color: var(--white);
  transform: translateY(10px);
  transition: transform .3s ease;
}

.page-portfolio .portfolio-card:hover .portfolio-open-icon,
.page-portfolio .portfolio-card.portfolio-video .portfolio-open-icon {
  transform: translateY(0);
}

.page-portfolio .portfolio-card-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 15px;
  border-top: 1px solid rgba(var(--white-rgb), .06);
}

.page-portfolio .portfolio-card-title {
  min-width: 0;
  flex: 1;
  overflow: hidden;
  color: var(--soft-white);
  font: 600 12px/1.35 var(--font-body);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-portfolio .portfolio-share {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted-gray);
  cursor: pointer;
  transition: color .2s ease;
}

.page-portfolio .portfolio-share:hover {
  color: var(--primary);
}

/* ==========================================================================
   06. Footer, Modal and Toast
   ========================================================================== */

.page-portfolio .portfolio-load-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  margin-top: 48px;
}

.page-portfolio .portfolio-load-more {
  min-width: 180px;
  padding: 15px 24px;
  border: 1px solid var(--primary);
  background: transparent;
  color: var(--primary);
  font: 800 11px/1 var(--font-body);
  letter-spacing: .13em;
  text-transform: uppercase;
  cursor: pointer;
  transition: .25s ease;
}

.page-portfolio .portfolio-load-more:hover {
  background: var(--primary);
  color: var(--black-light);
}

.page-portfolio .portfolio-load-more:disabled {
  opacity: .45;
  cursor: wait;
}

.page-portfolio .portfolio-end {
  display: none;
  color: var(--muted-gray);
  font: 700 10px/1 var(--font-body);
  letter-spacing: .14em;
  text-transform: uppercase;
}

.page-portfolio .portfolio-empty {
  display: none;
  padding: 80px 20px;
  border: 1px solid var(--border-strong);
  color: var(--muted-gray);
  text-align: center;
  font: 500 14px/1.5 var(--font-body);
}

.page-portfolio .portfolio-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.page-portfolio .portfolio-modal.open {
  display: flex;
}

.page-portfolio .portfolio-modal-bg {
  position: absolute;
  inset: 0;
  background: rgba(var(--black-rgb), .94);
  backdrop-filter: blur(10px);
}

.page-portfolio .portfolio-modal-shell {
  position: relative;
  width: min(1380px, 100%);
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
}

.page-portfolio .portfolio-modal-stage {
  display: grid;
  place-items: center;
  min-height: 0;
  flex: 1;
  overflow: hidden;
}

.page-portfolio .portfolio-modal-stage img,
.page-portfolio .portfolio-modal-stage video {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 140px);
  object-fit: contain;
}

.page-portfolio .portfolio-modal-frame {
  width: min(1180px, 100%);
  height: min(75vh, 720px);
  border: 0;
  background: var(--white);
}

.page-portfolio .portfolio-modal-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 56px;
  padding-top: 14px;
}

.page-portfolio .portfolio-modal-title {
  flex: 1;
  overflow: hidden;
  font: 600 13px/1.4 var(--font-body);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-portfolio .portfolio-modal-kind {
  color: var(--primary);
  font: 700 9px/1 var(--font-body);
  letter-spacing: .13em;
  text-transform: uppercase;
}

.page-portfolio .portfolio-modal-action,
.page-portfolio .portfolio-modal-close {
  display: grid;
  place-items: center;
  height: 38px;
  border: 1px solid rgba(var(--white-rgb), .2);
  background: transparent;
  color: var(--white);
  cursor: pointer;
  text-decoration: none;
}

.page-portfolio .portfolio-modal-action {
  padding: 0 14px;
  font: 700 10px/1 var(--font-body);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.page-portfolio .portfolio-modal-close {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2;
  width: 38px;
  padding: 0;
  font-size: 24px;
}

.page-portfolio .portfolio-modal-action:hover,
.page-portfolio .portfolio-modal-close:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.page-portfolio .portfolio-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: calc(var(--z-modal) + 1);
  padding: 12px 18px;
  background: var(--primary);
  color: var(--black-light);
  font: 800 10px/1 var(--font-body);
  letter-spacing: .12em;
  text-transform: uppercase;
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  transition: .25s ease;
}

.page-portfolio .portfolio-toast.show {
  transform: translate(-50%, 0);
  opacity: 1;
}

/* ==========================================================================
   07. Responsive — Tablet
   ========================================================================== */

@media (max-width: 1100px) {
  .page-portfolio .portfolio-hero {
    min-height: 50vh;
    padding: 140px 0 60px;
  }

  .page-portfolio .portfolio-hero-copy {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .page-portfolio .portfolio-count {
    width: fit-content;
  }

  .page-portfolio .portfolio-intro {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-portfolio .portfolio-intro p {
    margin-left: 0;
  }

  .page-portfolio .portfolio-gallery.cinematic {
    columns: 3 220px;
  }

  .page-portfolio .portfolio-gallery.compact {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-portfolio .portfolio-control-row {
    gap: 12px;
  }

  .page-portfolio .portfolio-row-spacer {
    display: none;
  }

  .page-portfolio .portfolio-results {
    margin-left: auto;
  }
}

/* ==========================================================================
   08. Responsive — Mobile
   ========================================================================== */

@media (max-width: 768px) {
  .page-portfolio .portfolio-hero {
    min-height: auto;
    padding: 120px 0 50px;
  }

  .page-portfolio .portfolio-hero .hero-title {
    font-size: clamp(48px, 14.5vw, 72px);
  }

  .page-portfolio .portfolio-browser {
    padding: 40px 0 70px;
  }

  .page-portfolio .portfolio-control-row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 12px;
    gap: 12px 10px;
  }

  .page-portfolio .portfolio-scroll {
    grid-column: 1 / -1;
    width: 100%;
    order: 1;
  }

  .page-portfolio .portfolio-view-control-group {
    order: 2;
  }

  .page-portfolio .portfolio-view {
    padding: 8px 10px;
    font-size: 10px;
  }

  .page-portfolio .portfolio-results {
    order: 3;
    margin-left: auto;
  }

  .page-portfolio .portfolio-gallery.cinematic {
    columns: 2 140px;
    column-gap: 10px;
  }

  .page-portfolio .portfolio-gallery.cinematic .portfolio-card {
    margin-bottom: 10px;
  }

  .page-portfolio .portfolio-gallery.grid {
    gap: 10px;
  }

  .page-portfolio .portfolio-gallery.compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .page-portfolio .portfolio-card-info {
    padding: 10px 12px;
  }

  .page-portfolio .portfolio-modal {
    padding: 14px;
  }

  .page-portfolio .portfolio-modal-close {
    top: 12px;
    right: 12px;
  }

  .page-portfolio .portfolio-modal-action {
    padding: 0 10px;
  }

  /* Mobile select filter */
  .page-portfolio .portfolio-desktop-filters {
    display: none !important;
  }

  .page-portfolio .portfolio-mobile-dropdown-wrap {
    display: block;
    width: 100%;
  }

  .page-portfolio .portfolio-mobile-select {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--panel);
    color: var(--primary);
    border: 1px solid var(--primary);
    font: 700 12px/1 var(--font-body);
    letter-spacing: .08em;
    text-transform: uppercase;
    border-radius: 0;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='%23e48240' height='20' viewBox='0 0 24 24' width='20' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    cursor: pointer;
  }

  .page-portfolio .portfolio-mobile-select:focus {
    outline: none;
    border-color: var(--primary-light);
  }

  .page-portfolio .portfolio-control-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px;
  }

  .page-portfolio .portfolio-row-spacer {
    display: none;
  }

  .page-portfolio .portfolio-view-control-group {
    flex: 1;
  }

  .page-portfolio .portfolio-results {
    margin-left: auto;
  }
}

/* ==========================================================================
   09. Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .page-portfolio .portfolio-card-media img {
    transition: none;
  }

  .page-portfolio .portfolio-card-overlay,
  .page-portfolio .portfolio-open-icon,
  .page-portfolio .portfolio-toast {
    transition: none;
  }
}
