/*
Theme Name: 4U Digital Media
Theme URI: https://4udigitalmedia.com
Author: 4U Digital Media
Description: 4U Digital Media icin hiz, SEO ve donusum odakli ozel kurumsal web tasarim ajansi temasi.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: 4u-digital-media
*/

/* ==========================================================================
   1. Variables & Reset
   ========================================================================== */
:root {
  --color-black: #0a0e0c;
  --color-dark: #1a1a1a;
  --color-yellow: #ffc400;
  --color-yellow-dark: #e0ab00;
  --color-white: #ffffff;
  --color-off-white: #f7f7f5;
  --color-gray: #6b6b6b;
  --color-border: #2a2a2a;
  --container-width: 1200px;
  --radius: 10px;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  color: var(--color-dark);
  background: var(--color-white);
  line-height: 1.6;
  font-size: 16px;
}

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

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

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.screen-reader-text {
  position: absolute;
  left: -9999px;
}

/* ==========================================================================
   2. Layout helpers
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section--sm {
  padding: 48px 0;
}

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

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

.section-head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head .eyebrow {
  display: inline-block;
  color: var(--color-yellow-dark);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 12px;
}

.section--dark .section-head .eyebrow {
  color: var(--color-yellow);
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 16px;
}

.section-head p {
  color: var(--color-gray);
}

.section--dark .section-head p {
  color: #cfcfcf;
}

/* ==========================================================================
   3. Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--color-yellow);
  color: var(--color-black);
}

.btn-primary:hover {
  background: var(--color-yellow-dark);
}

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

.btn-outline:hover {
  background: var(--color-yellow);
  color: var(--color-black);
}

.btn-dark {
  background: var(--color-black);
  color: var(--color-white);
}

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

/* ==========================================================================
   4. Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-black);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.site-logo {
  display: flex;
  align-items: center;
}

.site-logo__link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 20px;
  color: var(--color-white);
}

.site-logo__icon {
  width: 44px;
  height: 44px;
  display: block;
}

.site-logo .custom-logo {
  max-height: 48px;
  width: auto;
  display: block;
}

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

.site-logo small {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #b8b8b8;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  color: var(--color-white);
  font-weight: 600;
  font-size: 15px;
  transition: color var(--transition);
}

.main-nav a:hover,
.main-nav .current-menu-item a {
  color: var(--color-yellow);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  display: block;
}

/* ==========================================================================
   5. Hero
   ========================================================================== */
.hero {
  background: var(--color-black);
  color: var(--color-white);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 360px;
  height: 360px;
  background: var(--color-yellow);
  opacity: 0.08;
  border-radius: 50%;
}

.hero__inner {
  max-width: 720px;
}

.hero .eyebrow {
  display: inline-block;
  color: var(--color-yellow);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(34px, 6vw, 58px);
  margin-bottom: 20px;
}

.hero h1 span {
  color: var(--color-yellow);
}

.hero p {
  font-size: 18px;
  color: #d4d4d4;
  margin-bottom: 32px;
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.hero__stats div strong {
  display: block;
  font-size: 28px;
  color: var(--color-yellow);
}

.hero__stats div span {
  font-size: 13px;
  color: #b8b8b8;
}

/* ==========================================================================
   6. Cards: services / process / portfolio
   ========================================================================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.card-grid--2col {
  grid-template-columns: repeat(2, 1fr);
}

.service-card {
  background: var(--color-white);
  border: 1px solid #ececec;
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.section--dark .service-card {
  background: var(--color-dark);
  border-color: var(--color-border);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.service-card .icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--color-yellow);
  color: var(--color-black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--color-gray);
  font-size: 15px;
}

.section--dark .service-card p {
  color: #cfcfcf;
}

.service-card ul {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-card ul li {
  font-size: 14px;
  padding-left: 22px;
  position: relative;
  color: var(--color-dark);
}

.section--dark .service-card ul li {
  color: #e6e6e6;
}

.service-card ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-yellow-dark);
  font-weight: 800;
}

.section--dark .service-card ul li::before {
  color: var(--color-yellow);
}

/* Process steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-step {
  text-align: left;
  padding: 28px 24px;
  border-radius: var(--radius);
  background: var(--color-off-white);
  position: relative;
}

.process-step .step-number {
  font-size: 42px;
  font-weight: 800;
  color: var(--color-yellow);
  -webkit-text-stroke: 1px var(--color-black);
  margin-bottom: 12px;
  display: block;
}

.process-step h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 14px;
  color: var(--color-gray);
}

/* Portfolio grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.portfolio-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-dark);
  aspect-ratio: 4 / 3;
  display: block;
}

.portfolio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.portfolio-card:hover img {
  transform: scale(1.06);
}

.portfolio-card .portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 13, 13, 0.92) 0%, rgba(13, 13, 13, 0.1) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  color: var(--color-white);
}

.portfolio-card .tag {
  display: inline-block;
  align-self: flex-start;
  background: var(--color-yellow);
  color: var(--color-black);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.portfolio-card h3 {
  font-size: 19px;
}

.portfolio-card.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--color-border);
}

.portfolio-card.placeholder .portfolio-overlay {
  position: static;
  background: none;
  text-align: center;
  align-items: center;
}

/* ==========================================================================
   7. CTA banner
   ========================================================================== */
.cta-banner {
  background: var(--color-yellow);
  color: var(--color-black);
  border-radius: var(--radius);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-banner h2 {
  font-size: clamp(24px, 3.5vw, 34px);
  max-width: 600px;
}

.cta-banner p {
  margin-top: 8px;
  font-weight: 600;
}

/* ==========================================================================
   8. FAQ accordion
   ========================================================================== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-off-white);
  border-radius: var(--radius);
  padding: 4px 24px;
  border: 1px solid #ececec;
}

.faq-item summary {
  font-weight: 700;
  font-size: 16px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: "+";
  font-size: 22px;
  color: var(--color-yellow-dark);
  font-weight: 800;
  margin-left: 12px;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 0 20px;
  color: var(--color-gray);
}

/* ==========================================================================
   9. Page header (inner pages)
   ========================================================================== */
.page-header {
  background: var(--color-black);
  color: var(--color-white);
  padding: 64px 0;
  text-align: center;
}

.page-header .eyebrow {
  color: var(--color-yellow);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 12px;
  display: block;
}

.page-header h1 {
  font-size: clamp(28px, 5vw, 44px);
}

.entry-content {
  padding: 64px 0;
}

.entry-content .container {
  max-width: 800px;
}

.entry-content h2 {
  margin: 32px 0 16px;
  font-size: 26px;
}

.entry-content p {
  margin-bottom: 16px;
  color: var(--color-dark);
}

.entry-content ul {
  margin: 0 0 16px 20px;
  list-style: disc;
}

/* ==========================================================================
   10. Contact page
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  background: var(--color-black);
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 40px;
}

.contact-info-card h3 {
  font-size: 22px;
  margin-bottom: 24px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-list .label {
  color: var(--color-yellow);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}

.contact-info-list a {
  font-weight: 600;
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transition: background var(--transition), color var(--transition);
}

.social-links a:hover {
  background: var(--color-yellow);
  color: var(--color-black);
  border-color: var(--color-yellow);
}

.contact-form {
  background: var(--color-off-white);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-weight: 700;
  font-size: 14px;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-family: inherit;
  font-size: 15px;
  background: var(--color-white);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 2px solid var(--color-yellow);
  border-color: var(--color-yellow);
}

.form-notice {
  padding: 14px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
}

.form-notice.success {
  background: #e7f6ec;
  color: #1d6b3a;
}

.form-notice.error {
  background: #fdecec;
  color: #b3261e;
}

/* ==========================================================================
   11. Footer
   ========================================================================== */
.site-footer {
  background: var(--color-black);
  color: #cfcfcf;
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-border);
}

.footer-grid h4 {
  color: var(--color-white);
  font-size: 15px;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-grid p {
  font-size: 14px;
  max-width: 280px;
}

.footer-grid ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}

.footer-grid ul a:hover {
  color: var(--color-yellow);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 13px;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom .social-links a {
  width: 34px;
  height: 34px;
  font-size: 13px;
}

/* ==========================================================================
   12. Responsive
   ========================================================================== */
@media (max-width: 960px) {
  .card-grid,
  .process-grid,
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-black);
    border-bottom: 1px solid var(--color-border);
    display: none;
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 24px;
  }

  .main-nav ul li {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav ul li a {
    display: block;
    padding: 14px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .header-actions .btn-primary {
    display: none;
  }

  .card-grid,
  .process-grid,
  .portfolio-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    padding: 36px 24px;
    text-align: center;
    justify-content: center;
  }

  .hero {
    padding: 64px 0;
    text-align: center;
  }

  .hero__inner {
    margin: 0 auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__stats {
    justify-content: center;
    text-align: center;
  }

  .section {
    padding: 56px 0;
  }
}