/* =============================================
   BIG ROOM TECH — Global Styles
   ============================================= */

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

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f4f4f4;
  --gray-200: #e8e8e8;
  --gray-500: #888;
  --gray-700: #444;
  --accent: #0a0a0a;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 4px;
  --radius-lg: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
  --max-width: 1200px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}
.btn-primary:hover {
  background: #222;
  border-color: #222;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.btn-outline {
  background: transparent;
  color: var(--black);
  border-color: var(--black);
}
.btn-outline:hover {
  background: var(--black);
  color: var(--white);
  transform: translateY(-1px);
}

/* =============================================
   NAVIGATION
   ============================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow); }

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 32px; width: auto; display: block; }
.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--black);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a:not(.btn) {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  transition: color var(--transition);
}
.nav-links a:not(.btn):hover { color: var(--black); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  transition: all 0.3s;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 16px 24px 24px;
  border-top: 1px solid var(--gray-200);
  gap: 4px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 120px 24px 80px;
  text-align: center;
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--black);
  max-width: 900px;
  margin: 0 auto 24px;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--gray-700);
  max-width: 700px;
  margin: 0 auto 36px;
  font-weight: 300;
}
.hero-sub strong { font-weight: 500; color: var(--black); }

.hero-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-height: 520px;
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: fadeUp 0.8s ease both 0.2s;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =============================================
   SECTION COMMON
   ============================================= */
.section-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 16px;
  color: var(--gray-700);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 48px;
  font-weight: 300;
}

/* =============================================
   SERVICES
   ============================================= */
.services-section {
  background: var(--gray-50);
  padding: 80px 24px;
  text-align: center;
}
.services-section .section-sub { margin: 0 auto 48px; }

.services-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  text-align: left;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-img { height: 220px; overflow: hidden; }
.service-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.service-card:hover .service-img img { transform: scale(1.04); }

.service-body { padding: 28px; }
.service-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--gray-100);
  color: var(--gray-500);
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.service-body h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.service-body p {
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.65;
  margin-bottom: 20px;
  font-weight: 300;
}

.link-arrow {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--black);
  transition: gap var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.link-arrow:hover { gap: 8px; }

/* =============================================
   CLIENTS / CASE STUDIES
   ============================================= */
.clients-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px;
  text-align: center;
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  text-align: left;
}

.client-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.client-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-500);
}

.client-img { height: 200px; overflow: hidden; background: var(--gray-100); }
.client-img img { width: 100%; height: 100%; object-fit: cover; object-position: center; transition: transform 0.4s ease; }
.client-card:hover .client-img img { transform: scale(1.04); }

.client-info { padding: 24px; }
.client-info h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.client-info p {
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.65;
  margin-bottom: 16px;
  font-weight: 300;
}

.client-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.client-tags span {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--black);
  color: var(--white);
  padding: 4px 10px;
  border-radius: 20px;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 60px 24px 0;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  padding-bottom: 60px;
}

.footer .logo-text { color: var(--white); }
.footer .nav-logo img { height: 36px; }

.footer-brand p {
  margin: 20px 0 16px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}

.newsletter-form {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.newsletter-form input {
  flex: 1;
  min-width: 180px;
  padding: 11px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition);
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }
.newsletter-form input:focus { border-color: rgba(255,255,255,0.5); }
.newsletter-form .btn-primary {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}
.newsletter-form .btn-primary:hover { background: var(--gray-100); }

.footer-legal {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  line-height: 1.6;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}

.footer-col a,
.footer-col p {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 10px;
  line-height: 1.6;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* =============================================
   BLOG PAGE
   ============================================= */
.page-hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 120px 24px 60px;
  text-align: center;
}

.blog-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.blog-card {
  display: block;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-img { height: 200px; overflow: hidden; background: var(--gray-100); }
.blog-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.blog-card:hover .blog-img img { transform: scale(1.04); }

.blog-body { padding: 24px; }
.blog-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}
.blog-date {
  font-size: 12px;
  color: var(--gray-500);
  font-weight: 500;
}
.blog-tag {
  font-size: 10px;
  font-weight: 700;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--gray-100);
  padding: 3px 8px;
  border-radius: 20px;
  color: var(--gray-700);
}

.blog-body h2 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 10px;
}
.blog-body p {
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.65;
  font-weight: 300;
}

/* =============================================
   SINGLE BLOG POST
   ============================================= */
.post-header {
  max-width: 800px;
  margin: 0 auto;
  padding: 120px 24px 48px;
  text-align: center;
}

.post-header h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.post-cover {
  max-width: var(--max-width);
  margin: 0 auto 60px;
  padding: 0 24px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-height: 480px;
}
.post-cover img { width: 100%; height: 100%; object-fit: cover; }

.post-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px 80px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--gray-700);
  font-weight: 300;
}
.post-content h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--black);
  margin: 40px 0 16px;
  letter-spacing: -0.02em;
}
.post-content p { margin-bottom: 20px; }
.post-content strong { font-weight: 500; color: var(--black); }

/* =============================================
   CONTACT PAGE
   ============================================= */
.contact-section {
  max-width: 680px;
  margin: 0 auto;
  padding: 120px 24px 80px;
}

.contact-form { display: flex; flex-direction: column; gap: 16px; margin-top: 36px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--black);
}
.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--black);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--black); }
.form-group textarea { resize: vertical; min-height: 140px; }

/* =============================================
   ABOUT PAGE
   ============================================= */
.about-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 120px 24px 80px;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-top: 60px;
}
.about-img { border-radius: var(--radius-lg); overflow: hidden; }
.about-img img { width: 100%; height: 400px; object-fit: cover; }

/* Values Section */
.values-section {
  background: var(--gray-50);
  padding: 80px 24px;
}
.values-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}
.values-inner .section-sub { margin: 0 auto 48px; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: left;
}

.value-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.value-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.value-card p {
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.7;
  font-weight: 300;
}

/* About CTA */
.about-cta {
  text-align: center;
  padding: 80px 24px;
}
.about-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.about-cta p {
  color: var(--gray-700);
  margin-bottom: 28px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 300;
}

/* =============================================
   UTILITY
   ============================================= */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mb-8 { margin-bottom: 8px; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .hero { padding: 100px 20px 60px; }
  .hero-headline { font-size: 34px; }

  .services-section, .clients-section { padding: 60px 20px; }

  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .clients-grid, .services-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .footer-cols { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .values-grid { grid-template-columns: 1fr; }
}