/* jv.com.tr — JV renkleri: siyah + gold */
:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --surface-hover: #181818;
  --text: #f5f5f5;
  --muted: #a0a0a0;
  --accent: #c9a227;
  --accent-gold: #d4af37;
  --accent-dim: rgba(201, 162, 39, 0.18);
  --border: #252525;
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ========== Header ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.35s, background 0.35s;
}

.site-header.scrolled {
  border-bottom-color: var(--border);
  background: rgba(0, 0, 0, 0.92);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: block;
  transition: opacity 0.2s;
}

.logo-link:hover {
  opacity: 0.9;
}

.logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.logo-img.logo-gold {
  filter: sepia(0.4) saturate(2.2) hue-rotate(-8deg) brightness(1.05) contrast(1.1);
}

.nav {
  display: flex;
  gap: 2.25rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: color 0.25s;
}

.nav a:hover {
  color: var(--text);
}

.menu-toggle {
  display: none;
  width: 28px;
  height: 20px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  position: relative;
}

.menu-toggle::before,
.menu-toggle::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s;
}

.menu-toggle::before { top: 0; }
.menu-toggle::after { bottom: 0; }

@media (max-width: 768px) {
  .nav { display: none; }
  .menu-toggle { display: block; }
}

/* ========== Hero + tech background ========== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 40%, rgba(0, 0, 0, 0.85) 100%),
              radial-gradient(ellipse 70% 50% at 50% 30%, rgba(201, 162, 39, 0.06) 0%, transparent 55%);
  z-index: 1;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 2;
  animation: gridShift 20s linear infinite;
}

@keyframes gridShift {
  0% { transform: perspective(400px) rotateX(60deg) translateY(0); }
  100% { transform: perspective(400px) rotateX(60deg) translateY(60px); }
}

.hero-bg-glow {
  position: absolute;
  width: 120%;
  height: 80%;
  top: -20%;
  left: -10%;
  background: radial-gradient(ellipse at center, rgba(201, 162, 39, 0.06) 0%, transparent 60%);
  z-index: 2;
  pointer-events: none;
}

.hero-bg-lines {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.03) 50%, transparent 100%);
  pointer-events: none;
}

.hero-bg-motion {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

.hero-particle {
  position: absolute;
  left: var(--x, 50%);
  top: var(--y, 50%);
  width: 4px;
  height: 4px;
  background: rgba(212, 175, 55, 0.55);
  border-radius: 50%;
  animation: particleFloat var(--d, 20s) ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * -2.5s);
}

@keyframes particleFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.4;
  }
  25% {
    transform: translate(15px, -30px) scale(1.2);
    opacity: 0.8;
  }
  50% {
    transform: translate(-20px, 20px) scale(0.9);
    opacity: 0.5;
  }
  75% {
    transform: translate(25px, 15px) scale(1.1);
    opacity: 0.7;
  }
}

.hero-bg-orb {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
  z-index: 1;
  top: -100px;
  right: -100px;
  animation: orbMove 15s ease-in-out infinite;
  pointer-events: none;
}

@keyframes orbMove {
  0%, 100% { transform: translate(0, 0); opacity: 0.6; }
  33% { transform: translate(-80px, 60px); opacity: 0.8; }
  66% { transform: translate(-40px, -40px); opacity: 0.5; }
}

.hero-inner {
  position: relative;
  z-index: 3;
  max-width: 800px;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin: 0 0 1.25rem;
}

.hero-logo-wrap {
  margin: 0 0 1.5rem;
}

.hero-logo {
  display: block;
  max-width: min(280px, 50vw);
  height: auto;
  margin: 0 auto;
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--muted);
  margin: 0 0 2rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.65;
}

.hero-cta-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.hero-cta {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 8px;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
}

.hero-cta:hover {
  background: var(--accent-gold);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(212, 175, 55, 0.3);
}

.hero-cta-outline {
  background: transparent;
  border: 2px solid var(--border);
  color: var(--text);
}

.hero-cta-outline:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: none;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--muted), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.7); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ========== Sections ========== */
.section {
  padding: 5.5rem 0;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.section-lead {
  color: var(--muted);
  font-size: 1.1rem;
  margin: 0 0 2.5rem;
  max-width: 560px;
}

/* ========== Services ========== */
.services-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.25rem;
}

.service-card {
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s, background 0.3s;
}

.service-card:hover {
  border-color: var(--accent);
  background: var(--surface-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.service-card:hover .service-card-img {
  transform: scale(1.05);
}

.service-card-img {
  height: 180px;
  background-size: cover;
  background-position: center;
  background-color: var(--border);
  transition: transform 0.5s ease;
}

.service-card-body {
  padding: 1.5rem 1.75rem;
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}

/* ========== Projects ========== */
.section-projects {
  background: linear-gradient(180deg, transparent 0%, rgba(14, 14, 17, 0.5) 50%, transparent 100%);
}

.projects-grid {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.project-card {
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
}

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

.project-card-img {
  height: 200px;
  background-size: cover;
  background-position: center;
  background-color: var(--border);
  transition: transform 0.5s ease;
}

.project-card-body {
  padding: 1.5rem 1.75rem;
}

.project-cat {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
  display: block;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.project-desc {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.55;
}

.projects-note {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0;
}

.projects-note a {
  color: var(--accent);
  text-decoration: none;
}

.projects-note a:hover {
  text-decoration: underline;
}

/* ========== About ========== */
.section-about {
  padding-top: 0;
}

.about-hero {
  width: 100%;
  min-height: 280px;
  background-image: url('../assets/about-hero.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

@media (min-width: 768px) {
  .about-hero {
    min-height: 360px;
  }
}

.about-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.6) 100%);
  pointer-events: none;
}

.section-about .wrap {
  padding-top: 3rem;
}

.about-split {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 768px) {
  .about-split {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.about-year {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.about-body .about-text {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0 0 1rem;
  line-height: 1.75;
}

.about-body .about-text:last-child {
  margin-bottom: 0;
}

/* ========== Contact ========== */
.contact-form-wrap {
  /* max-width: 720px; */
  margin: 0 auto;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 600px) {
  .contact-form {
    grid-template-columns: 1fr 1fr;
  }
  .contact-form .form-row-half {
    grid-column: span 1;
  }
  .contact-form .form-row-full,
  .contact-form .contact-submit {
    grid-column: 1 / -1;
  }
}

.contact-form .form-row {
  display: block;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--muted);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-submit {
  align-self: flex-start;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.contact-submit:hover {
  background: var(--accent-gold);
}

.contact-submit:active {
  transform: scale(0.98);
}

.contact-form .form-feedback {
  font-size: 0.95rem;
  color: var(--muted);
}

.contact-form .form-feedback.success {
  color: var(--accent);
}

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


/* ========== SEO content (arka plan metni — arama motoru ve AI) ========== */
.seo-content {
  padding: 2.5rem 0 3rem;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.seo-content .wrap {
  /* max-width: 800px; */
}

.seo-article {
  margin-bottom: 2rem;
}

.seo-article:last-of-type {
  margin-bottom: 1.5rem;
}

.seo-content h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--muted);
  line-height: 1.4;
}

.seo-content h3 {
  margin: 1rem 0 0.35rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}

.seo-content p {
  margin: 0 0 0.6rem;
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--muted);
  opacity: 0.92;
}

.seo-content p:last-child {
  margin-bottom: 0;
}

.seo-content strong {
  color: var(--text);
  font-weight: 600;
}

.seo-keywords {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem !important;
  color: var(--muted) !important;
  opacity: 0.85 !important;
}

/* ========== Footer ========== */
.site-footer {
  position: relative;
  padding: 0;
  margin-top: 4rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.footer-accent {
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 20%, var(--accent-gold) 50%, var(--accent) 80%, transparent 100%);
  opacity: 0.9;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding: 3rem 0 2.5rem;
}

@media (min-width: 640px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .footer-inner {
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 3rem;
    padding: 3.5rem 0 3rem;
  }
}

.footer-brand .footer-logo-link {
  display: inline-block;
  margin-bottom: 0.75rem;
  transition: opacity 0.2s;
}

.footer-brand .footer-logo-link:hover {
  opacity: 0.9;
}

.footer-logo {
  height: 40px;
  width: auto;
}

.footer-tagline {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.6;
  max-width: 280px;
}

.footer-heading {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.footer-address,
.footer-tel,
.footer-email {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  font-style: normal;
  line-height: 1.65;
  color: var(--text);
}

.footer-address:last-of-type,
.footer-tel:last-of-type,
.footer-email:last-of-type {
  margin-bottom: 0;
}

.footer-contact a,
.footer-tel a,
.footer-email a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-contact a:hover,
.footer-tel a:hover,
.footer-email a:hover {
  color: var(--accent);
}

.footer-social-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.footer-social-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.footer-social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 0 1px var(--accent-dim);
}

.footer-social-linkedin:hover { color: #0a66c2; border-color: #0a66c2; }
.footer-social-instagram:hover { color: #e4405f; border-color: #e4405f; }
.footer-social-twitter:hover { color: #1da1f2; border-color: #1da1f2; }

.footer-bottom {
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--border);
}

.footer-copy {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

/* ========== Reveal animations ========== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal.reveal-scale {
  transform: translateY(28px) scale(0.98);
}

.reveal.reveal-scale.reveal-visible {
  transform: translateY(0) scale(1);
}

/* Stagger delays (JS will set data-delay or use nth-child) */
.reveal-delay-1 { transition-delay: 0.05s; }
.reveal-delay-2 { transition-delay: 0.1s; }
.reveal-delay-3 { transition-delay: 0.15s; }
.reveal-delay-4 { transition-delay: 0.2s; }
.reveal-delay-5 { transition-delay: 0.25s; }
.reveal-delay-6 { transition-delay: 0.3s; }

.service-card.reveal-delay-1 { transition-delay: 0.05s; }
.service-card.reveal-delay-2 { transition-delay: 0.1s; }
.service-card.reveal-delay-3 { transition-delay: 0.15s; }
.service-card.reveal-delay-4 { transition-delay: 0.2s; }
.service-card.reveal-delay-5 { transition-delay: 0.25s; }
.service-card.reveal-delay-6 { transition-delay: 0.3s; }