/*
Theme Name: Fourside Studios
Theme URI: https://foursidestudios.com
Author: Fourside Studios
Author URI: https://foursidestudios.com
Description: Custom theme for Fourside Studios — video production and 3D visualization.
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: foursidestudios
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */

:root {
  --color-dark:    #111111;
  --color-light:   #ffffff;
  --color-accent:  #F6B800; /* Pantone 4008 C */
  --color-mid:     #444444;
  --color-border:  #e0e0e0;

  --font-base: Arial, Helvetica, sans-serif;

  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-md:   1.125rem;
  --text-lg:   1.375rem;
  --text-xl:   clamp(1.75rem, 3vw, 2.25rem);
  --text-2xl:  clamp(2.25rem, 4vw, 3.25rem);
  --text-3xl:  clamp(2.75rem, 5.5vw, 4.5rem);

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  6rem;
  --space-2xl: 10rem;

  --max-content: 1200px;
  --max-wide:    1340px;
  --header-h:    72px;

  --transition: 0.2s ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  font-size: var(--text-md);
  line-height: 1.6;
  color: var(--color-dark);
  background: var(--color-light);
  -webkit-font-smoothing: antialiased;
}

img, video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  font-family: var(--font-base);
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-base); font-weight: 700; }
h6 { font-size: var(--text-sm);  font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }

p { margin-bottom: 1.25em; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 700; }
em { font-style: italic; }

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--max-wide);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.container--narrow {
  max-width: var(--max-content);
}

/* ============================================================
   SECTION SYSTEM
   Light = white bg, dark text (default)
   Dark  = black bg, white text
   ============================================================ */

.section {
  padding-block: var(--space-xl);
}

.section--bg-image {
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  position: relative;
  padding-block: 0;
  width: 100%;
}

.section--bg-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(17,17,17,0.72);
  z-index: 0;
}

.section--bg-image .container {
  position: relative;
  z-index: 1;
  min-height: 850px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.section--light {
  background-color: var(--color-light);
  color: var(--color-dark);
}

.section--dark {
  background-color: var(--color-dark);
  color: var(--color-light);
}

.section--dark a:hover          { color: var(--color-accent); }
.section--light a:hover         { color: var(--color-mid); }

/* ============================================================
   HEADER / NAV
   Always dark — black bg, white text
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: var(--color-dark);
  color: var(--color-light);
  display: flex;
  align-items: center;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-light);
  white-space: nowrap;
}

.site-logo span {
  color: var(--color-accent);
}

/* Primary nav */
.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.primary-nav a {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-light);
  transition: color var(--transition);
}

.primary-nav a:hover,
.primary-nav a.current {
  color: var(--color-accent);
}

/* CTA button in nav */
.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  background: var(--color-accent);
  color: var(--color-dark) !important;
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: opacity var(--transition);
}

.nav-cta:hover {
  opacity: 0.85;
  color: var(--color-dark) !important;
}

/* Hamburger — mobile only */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-light);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO — VIDEO BACKGROUND
   ============================================================ */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-dark);
  color: var(--color-light);
  margin-top: var(--header-h);
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
  pointer-events: none;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(17,17,17,0.3) 0%,
    rgba(17,17,17,0.15) 50%,
    rgba(17,17,17,0.7) 100%
  );
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  max-width: 1200px;
  width: 100%;
  text-shadow: 0 0 40px rgba(0,0,0,0.8), 0 0 80px rgba(0,0,0,0.5);
}

.hero__title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  white-space: nowrap;
  margin-bottom: var(--space-md);
}

@media (max-width: 900px) {
  .hero__title { white-space: normal; }
}

.hero__eyebrow {
  display: inline-block;
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.hero__subtitle {
  font-size: var(--text-lg);
  font-weight: 400;
  opacity: 0.85;
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-base);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: opacity var(--transition), background var(--transition), color var(--transition);
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-dark);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  opacity: 0.85;
}

.btn--outline-light {
  background: transparent;
  color: var(--color-light);
  border-color: var(--color-light);
}

.btn--outline-light:hover {
  background: var(--color-light);
  color: var(--color-dark);
}

.btn--outline-dark {
  background: transparent;
  color: var(--color-dark);
  border-color: var(--color-dark);
}

.btn--outline-dark:hover {
  background: var(--color-dark);
  color: var(--color-light);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* ============================================================
   CARD GRID
   ============================================================ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-mid);
}

.card__media img,
.card__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card:hover .card__media img,
.card:hover .card__media video {
  transform: scale(1.03);
}

.card__body {
  padding: var(--space-md) 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card__label {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.section--light .card__label {
  color: var(--color-mid);
}

.card__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-xs);
}

.card__excerpt {
  font-size: var(--text-base);
  opacity: 0.75;
  flex: 1;
}

/* ============================================================
   SECTION HEADER (centered label + headline pattern)
   ============================================================ */

.section-header {
  text-align: center;
  max-width: 1200px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

/* h1 inside a section header matches hero title size, not global h1 */
.section-header h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.section-header__label {
  display: inline-block;
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.section--light .section-header__label {
  color: var(--color-mid);
}

.section-header__title {
  margin-bottom: var(--space-sm);
}

.section-header__body {
  font-size: var(--text-md);
  opacity: 0.8;
}

/* ============================================================
   LOGO MARQUEE (scrolling client logos)
   ============================================================ */

.logo-marquee {
  overflow-x: hidden;
  overflow-y: visible;
  width: 100%;
  padding-block: var(--space-md);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.logo-marquee__track {
  display: flex;
  align-items: flex-start;
  gap: 0;
  width: max-content;
  animation: marquee 28s linear infinite;
}

.logo-marquee__set {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
  padding-right: var(--space-xl); /* matches gap so sets tile flush */
}

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

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Individual logo item wrapper */
.logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
  text-decoration: none;
  cursor: pointer;
}

.logo-item img {
  height: 100px;
  width: auto;
  filter: brightness(0);
  opacity: 0.3;
  transition: opacity var(--transition), filter var(--transition);
  display: block;
}

.logo-item__label {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--transition), transform var(--transition);
  white-space: nowrap;
}

.logo-item:hover img {
  opacity: 0.85;
}

.logo-item:hover .logo-item__label {
  opacity: 1;
  transform: translateY(0);
}

.section--dark .logo-item img {
  filter: brightness(0) invert(1);
  opacity: 0.4;
}

.section--dark .logo-item:hover img {
  opacity: 0.9;
}

/* Keep the old .logo-strip for any static fallback use */
.logo-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  padding-block: var(--space-md);
}

.logo-strip img {
  height: 80px;
  width: auto;
  filter: brightness(0);
  opacity: 0.3;
  transition: opacity var(--transition);
}

.section--dark .logo-strip img {
  filter: brightness(0) invert(1);
  opacity: 0.4;
}

.logo-strip img:hover {
  opacity: 0.8;
}

/* ============================================================
   VIDEO SECTION (background video block inside content)
   ============================================================ */

.video-section {
  position: relative;
  overflow: hidden;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-section__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.video-section__overlay {
  position: absolute;
  inset: 0;
  background: rgba(17,17,17,0.6);
}

.video-section__content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-light);
  padding: var(--space-xl) var(--space-md);
  max-width: 760px;
}

/* ============================================================
   FORM
   ============================================================ */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 620px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea,
.form-group select {
  font-family: var(--font-base);
  font-size: var(--text-base);
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-light);
  color: var(--color-dark);
  width: 100%;
  transition: border-color var(--transition);
  -webkit-appearance: none;
  border-radius: 0;
}

.section--dark .form-group input,
.section--dark .form-group textarea,
.section--dark .form-group select {
  border-color: #333;
  background: #1a1a1a;
  color: var(--color-light);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* Honeypot — visually hidden spam trap */
.form-honey {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.form-status {
  font-size: var(--text-sm);
  padding: 0.75rem 1rem;
}

.form-status--success { background: #e6f4ea; color: #1e7e34; }
.form-status--error   { background: #fce8e6; color: #c5221f; }

/* ============================================================
   FAQ
   ============================================================ */

.faq {
  max-width: var(--max-content);
  margin-inline: auto;
}

.faq__item {
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.section--light .faq__item {
  border-bottom-color: var(--color-border);
}

.faq__question {
  width: 100%;
  text-align: left;
  padding: var(--space-md) 0;
  font-size: var(--text-md);
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  background: none;
  color: inherit;
  cursor: pointer;
}

.faq__question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq__item.open .faq__question::after {
  transform: rotate(45deg);
}

.faq__answer {
  display: none;
  padding-bottom: var(--space-md);
  opacity: 0.8;
}

.faq__item.open .faq__answer {
  display: block;
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background: var(--color-dark);
  color: var(--color-light);
  padding-block: var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand__logo {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.footer-brand__logo span {
  color: var(--color-accent);
}

.footer-brand p {
  font-size: var(--text-sm);
  opacity: 0.65;
  max-width: 320px;
}

.footer-col h5 {
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a {
  font-size: var(--text-sm);
  opacity: 0.65;
  transition: opacity var(--transition);
}

.footer-col a:hover {
  opacity: 1;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: var(--text-sm);
  opacity: 0.5;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ============================================================
   SINGLE POST / PAGE CONTENT
   ============================================================ */

.entry-content {
  max-width: var(--max-content);
  margin-inline: auto;
}

.entry-content h2,
.entry-content h3,
.entry-content h4 {
  margin-top: 2em;
  margin-bottom: 0.5em;
}

.entry-content ul,
.entry-content ol {
  list-style: revert;
  padding-left: 1.5em;
  margin-bottom: 1.25em;
}

.entry-content li {
  margin-bottom: 0.4em;
}

.entry-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: 1.5rem;
  margin-block: 2rem;
  font-size: var(--text-lg);
  font-style: italic;
  opacity: 0.85;
}

.entry-content a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============================================================
   ARCHIVE / BLOG LIST
   ============================================================ */

/* Work row list — homepage */
.work-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.work-row {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--space-lg);
  align-items: center;
  padding-block: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.work-row:last-child {
  border-bottom: none;
}

/* Light-background variant (used on /work/ archive) */
.work-row--light {
  border-bottom-color: rgba(0,0,0,0.08);
}

.work-row--light .work-row__title a {
  color: var(--color-dark);
}

.work-row--light .work-row__title a:hover {
  color: var(--color-accent);
}

.work-row--light .work-row__services,
.work-row--light .work-row__excerpt {
  color: var(--color-dark);
}

.work-row__title {
  font-size: var(--text-xl);
  margin-block: var(--space-xs);
}

.work-row__title a {
  color: var(--color-light);
  transition: color var(--transition);
}

.work-row__title a:hover {
  color: var(--color-accent);
}

.work-row__services {
  font-size: var(--text-sm);
  opacity: .55;
  margin-bottom: var(--space-xs);
}

.work-row__excerpt {
  opacity: .7;
  font-size: var(--text-base);
}

.work-row__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  flex-shrink: 0;
}

.work-row__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.work-row:hover .work-row__media img {
  transform: scale(1.03);
}

@media (max-width: 680px) {
  .work-row {
    grid-template-columns: 1fr;
  }
  .work-row__media {
    aspect-ratio: 16 / 9;
    order: -1;
  }
}

.post-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.post-meta {
  font-size: var(--text-sm);
  opacity: 0.55;
  margin-bottom: var(--space-xs);
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

.text-center  { text-align: center; }
.text-accent  { color: var(--color-accent); }
.mt-sm        { margin-top: var(--space-sm); }
.mt-md        { margin-top: var(--space-md); }
.mt-lg        { margin-top: var(--space-lg); }
.mb-sm        { margin-bottom: var(--space-sm); }
.mb-md        { margin-bottom: var(--space-md); }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1100px) {
  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    display: none;
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--color-dark);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: var(--space-lg) var(--space-md);
    gap: var(--space-md);
    overflow-y: auto;
    z-index: 999;
  }

  .primary-nav.is-open {
    display: flex;
  }

  .primary-nav a {
    font-size: var(--text-md);
  }

  .nav-cta {
    margin-top: var(--space-sm);
  }
}

@media (max-width: 680px) {
  :root {
    --space-xl: 4rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .hero__subtitle {
    font-size: var(--text-base);
  }
}