/*
Theme Name:  SASO Masterclass
Theme URI:   https://sasoproductions.com
Description: Custom theme for SASO Productions — Masterclass 2026 landing site.
Version:     1.0.0
Author:      SASO Productions
Text Domain: saso-masterclass
Domain Path: /languages
Requires WP: 6.4
Requires PHP: 8.1
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  /* Palette */
  --color-charcoal:   #1A1817;
  --color-charcoal-90: rgba(26,24,23,.90);
  --color-charcoal-70: rgba(26,24,23,.70);
  --color-gold:       #C9A24B;
  --color-gold-light: #D9B96A;
  --color-gold-dark:  #A8822C;
  --color-cream:      #F4EFE7;
  --color-cream-70:   rgba(244,239,231,.70);
  --color-cream-40:   rgba(244,239,231,.40);
  --color-white:      #FFFFFF;
  --color-border:     rgba(201,162,75,.20);

  /* Typography */
  --font-serif:  'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-sans:   'Montserrat', 'Inter', system-ui, sans-serif;

  /* Type scale */
  --text-xs:   0.75rem;   /* 12px */
  --text-sm:   0.875rem;  /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg:   1.125rem;  /* 18px */
  --text-xl:   1.25rem;   /* 20px */
  --text-2xl:  1.5rem;    /* 24px */
  --text-3xl:  1.875rem;  /* 30px */
  --text-4xl:  2.25rem;   /* 36px */
  --text-5xl:  3rem;      /* 48px */
  --text-6xl:  3.75rem;   /* 60px */
  --text-7xl:  4.5rem;    /* 72px */
  --text-hero: clamp(4rem, 12vw, 9rem);

  /* Spacing (8px grid) */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;
  --space-32:  8rem;

  /* Borders & radii */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-full: 9999px;

  /* Z-index layers */
  --z-base:    0;
  --z-above:   10;
  --z-sticky:  20;
  --z-overlay: 40;
  --z-modal:   100;
  --z-toast:   1000;

  /* Transitions */
  --transition-fast:   150ms ease-out;
  --transition-base:   250ms ease-out;
  --transition-slow:   400ms ease-out;

  /* Shadows */
  --shadow-gold: 0 0 0 2px var(--color-gold);
  --shadow-card: 0 8px 32px rgba(0,0,0,.40);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden; /* prevent horizontal scroll on narrow viewports */
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-cream);
  background-color: var(--color-charcoal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;   /* belt-and-suspenders: nothing scrolls the page sideways */
  overflow-wrap: break-word; /* long words / URLs wrap instead of blowing the layout */
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
.font-serif   { font-family: var(--font-serif); }
.font-sans    { font-family: var(--font-sans); }
.text-gold    { color: var(--color-gold); }
.text-cream   { color: var(--color-cream); }
.text-charcoal{ color: var(--color-charcoal); }
.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}
@media (min-width: 768px)  { .container { padding-inline: var(--space-8); } }
@media (min-width: 1280px) { .container { padding-inline: var(--space-12); } }

.section-pad { padding-block: var(--space-24); }
@media (max-width: 768px)  { .section-pad { padding-block: var(--space-16); } }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.85rem 2rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 3px; }
.btn:active { transform: scale(0.97); }

.btn-gold {
  background-color: var(--color-gold);
  color: var(--color-charcoal);
}
.btn-gold:hover {
  background-color: var(--color-gold-light);
  box-shadow: 0 4px 20px rgba(201,162,75,.35);
}

.btn-outline-gold {
  background-color: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
}
.btn-outline-gold:hover {
  background-color: var(--color-gold);
  color: var(--color-charcoal);
}

.btn-outline-cream {
  background-color: transparent;
  color: var(--color-cream);
  border: 1px solid rgba(244,239,231,.4);
}
.btn-outline-cream:hover {
  border-color: var(--color-cream);
}

/* ============================================================
   DECORATIVE RULE (gold line flanking year)
   ============================================================ */
.ruled-line {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  justify-content: center;
}
.ruled-line::before,
.ruled-line::after {
  content: '';
  flex: 1;
  max-width: 60px;
  height: 1px;
  background: var(--color-gold);
}

/* ============================================================
   SECTION DIVIDER
   ============================================================ */
.section-divider {
  width: 48px;
  height: 1px;
  background: var(--color-gold);
  margin-inline: auto;
  margin-block: var(--space-6);
}

/* ============================================================
   VISUALLY HIDDEN (a11y)
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   LOADING OVERLAY
   ============================================================ */
.loading-overlay {
  position: fixed; inset: 0;
  background: var(--color-charcoal);
  display: flex; align-items: center; justify-content: center;
  z-index: var(--z-toast);
  opacity: 1;
  transition: opacity 0.5s ease;
}
.loading-overlay.hidden { opacity: 0; pointer-events: none; }
.loading-spinner {
  width: 40px; height: 40px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   LIGHTBOX
   ============================================================ */
.saso-lightbox {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.92);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}
.saso-lightbox.active { display: flex; }
.saso-lightbox__inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}
.saso-lightbox__img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border: 1px solid var(--color-border);
}
.saso-lightbox__caption {
  margin-top: var(--space-3);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-cream-70);
}
.saso-lightbox__close,
.saso-lightbox__prev,
.saso-lightbox__next {
  position: absolute;
  color: var(--color-cream);
  font-size: 1.5rem;
  line-height: 1;
  background: rgba(26,24,23,.7);
  border: 1px solid var(--color-border);
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.saso-lightbox__close:hover,
.saso-lightbox__prev:hover,
.saso-lightbox__next:hover { background: var(--color-gold); color: var(--color-charcoal); }
.saso-lightbox__close { top: -50px; right: 0; }
.saso-lightbox__prev  { top: 50%; left: -54px;  transform: translateY(-50%); }
.saso-lightbox__next  { top: 50%; right: -54px; transform: translateY(-50%); }
@media (max-width: 768px) {
  .saso-lightbox__prev { left: var(--space-2); }
  .saso-lightbox__next { right: var(--space-2); }
  .saso-lightbox__close { top: var(--space-2); right: var(--space-2); }
}

/* ============================================================
   ACCORDION (FAQ)
   ============================================================ */
.accordion-item {
  border-bottom: 1px solid var(--color-border);
}
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-cream);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: var(--space-4);
  transition: color var(--transition-fast);
}
.accordion-trigger:hover { color: var(--color-gold); }
.accordion-trigger:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 2px; }
.accordion-icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  position: relative;
  transition: transform var(--transition-base);
}
.accordion-icon::before,
.accordion-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  border-radius: 2px;
}
.accordion-icon::before { width: 12px; height: 1px; top: 50%; left: 50%; transform: translate(-50%,-50%); }
.accordion-icon::after  { width: 1px; height: 12px; top: 50%; left: 50%; transform: translate(-50%,-50%); transition: transform var(--transition-base), opacity var(--transition-base); }
.accordion-item.open .accordion-icon::after { transform: translate(-50%,-50%) rotate(90deg); opacity: 0; }
.accordion-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition-slow);
}
.accordion-body-inner {
  padding-bottom: var(--space-6);
  color: var(--color-cream-70);
  line-height: 1.75;
}
.faq-list {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
}
.faq-list li {
  position: relative;
  padding-left: 1.4em;
  margin-bottom: var(--space-2);
  color: var(--color-cream-70);
  line-height: 1.7;
}
.faq-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
}

/* ============================================================
   INSTRUCTOR CARDS
   ============================================================ */
.instructor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-8);
}
/* Exactly three evenly-sized faculty cards on desktop */
.instructor-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 860px) {
  .instructor-grid--3 { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
}
/* Four evenly-sized faculty cards on desktop → 2-up → 1-up */
.instructor-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 1024px) {
  .instructor-grid--4 { grid-template-columns: repeat(2, 1fr); max-width: 720px; margin-inline: auto; }
}
@media (max-width: 560px) {
  .instructor-grid--4 { grid-template-columns: 1fr; max-width: 420px; }
}
.instructor-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.03);
  transition: border-color var(--transition-base), transform var(--transition-base);
}
.instructor-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-4px);
}
.instructor-card__img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top;
  filter: grayscale(100%);   /* all faculty photos stay black & white */
}
.instructor-card__body {
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
}
/* Name — the person (serif, large, cream) */
.instructor-card__name {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  color: var(--color-cream);
  margin-bottom: var(--space-2);
}
/* Title / role line (gold, uppercase) */
.instructor-card__role {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-2);
}
/* Sub-line — cream, smaller than title, elegant spacing */
.instructor-card__subline {
  font-size: var(--text-sm);
  color: var(--color-cream);
  letter-spacing: 0.04em;
  line-height: 1.5;
  opacity: 0.85;
}
/* "with" label — small cream spaced caps (guest faculty) */
.instructor-card__with {
  font-size: var(--text-xs);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-cream);
  opacity: 0.7;
  margin-bottom: var(--space-2);
}
/* Guest title — gold serif (matches name typography, gold) */
.instructor-card__guest {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  color: var(--color-gold);
  margin-bottom: var(--space-2);
}
/* Center card: ESB logo sits inline to the LEFT of the name */
.instructor-card__name--logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.instructor-card__esb-logo {
  height: 45px;
  width: auto;
  flex-shrink: 0;
  /* black background drops out, only the white mark shows */
  mix-blend-mode: screen;
}
.instructor-card__bio {
  font-size: var(--text-sm);
  color: var(--color-cream-70);
  line-height: 1.7;
}

/* ============================================================
   GALLERY MASONRY
   ============================================================ */
.gallery-masonry {
  columns: 4 220px;
  column-gap: var(--space-4);
}
.gallery-item {
  break-inside: avoid;
  margin-bottom: var(--space-4);
  overflow: hidden;
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
}
.gallery-item img {
  width: 100%;
  display: block;
  transition: transform var(--transition-slow), filter var(--transition-slow);
}
.gallery-item:hover img {
  transform: scale(1.04);
  filter: brightness(1.1);
}
.gallery-item__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,24,23,.7) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex; align-items: flex-end;
  padding: var(--space-4);
}
.gallery-item:hover .gallery-item__overlay { opacity: 1; }
.gallery-item__caption {
  font-size: var(--text-xs);
  color: var(--color-cream);
  letter-spacing: 0.06em;
}
@media (max-width: 768px)  { .gallery-masonry { columns: 2; } }
@media (max-width: 480px)  { .gallery-masonry { columns: 1; } }

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-form .form-group {
  margin-bottom: var(--space-4);
}
.contact-form label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-cream-70);
  margin-bottom: var(--space-2);
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.85rem 1.5rem;
  color: var(--color-cream);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.contact-form textarea { border-radius: var(--radius-md); resize: vertical; min-height: 120px; }
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201,162,75,.15);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--color-cream-40); }

/* ============================================================
   GLOBAL MOBILE SAFETY NET (audit)
   - Nothing may cause horizontal scrolling
   - Media never overflows its container
   ============================================================ */
html, body { overflow-x: hidden; }
img, svg, iframe { max-width: 100%; }
/* The hero <video> uses min-width:100% to cover — leave it uncapped */
.hero__video { max-width: none; }