/* ============================================================
   Arizu Studio — Main Stylesheet
   Base colors: White · Black · Grey
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700;800&display=swap');

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

:root {
  --black:    #0A0A0A;
  --white:    #FFFFFF;
  --grey-50:  #FAFAFA;
  --grey-100: #F5F5F5;
  --grey-200: #E8E8E8;
  --grey-300: #D1D5DB;
  --grey-400: #9CA3AF;
  --grey-500: #6B7280;
  --grey-600: #4B5563;
  --grey-700: #374151;
  --grey-900: #111827;
  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 20px;
  --shadow:    0 4px 24px rgba(0,0,0,0.07);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.13);
  --transition: 0.28s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Manrope', sans-serif;
  background: var(--white);
  color: var(--black);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--grey-100); }
::-webkit-scrollbar-thumb { background: var(--grey-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--grey-500); }

/* ===== LAYOUT ===== */
.container { max-width: 1160px; margin: 0 auto; padding: 0 28px; }
section { padding: 96px 0; }

/* ===== TYPOGRAPHY UTILITIES ===== */
.label-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--grey-400);
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--black);
  margin-bottom: 18px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--grey-500);
  line-height: 1.75;
  max-width: 540px;
}

/* ===== NAVIGATION ===== */
.main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.main-nav.scrolled {
  border-color: var(--grey-200);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--black);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--grey-500);
  text-decoration: none;
  position: relative;
  transition: color var(--transition);
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1.5px;
  background: var(--black);
  transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--black); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--black);
  border-radius: 1px;
  transition: all 0.3s;
}

/* Mobile overlay menu */
.nav-mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 1001;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 80px 36px 40px;
}
.nav-mobile-menu.open { display: flex; }

.nav-mobile-close {
  position: absolute;
  top: 22px; right: 24px;
  background: none;
  border: none;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  color: var(--black);
  font-weight: 300;
}

.nav-mobile-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 40px;
  width: 100%;
}
.nav-mobile-links a {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--black);
  text-decoration: none;
  display: block;
  padding: 6px 0;
  transition: color var(--transition);
}
.nav-mobile-links a:hover { color: var(--grey-500); }

.nav-mobile-meta {
  margin-top: auto;
  font-size: 0.82rem;
  color: var(--grey-400);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  font-family: 'Manrope', sans-serif;
  letter-spacing: -0.01em;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
}
.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--black); color: var(--white); border-color: var(--black); }
.btn-primary:hover { background: var(--grey-700); border-color: var(--grey-700); box-shadow: 0 8px 24px rgba(0,0,0,0.18); }

.btn-secondary { background: var(--white); color: var(--black); border-color: var(--grey-200); }
.btn-secondary:hover { border-color: var(--black); box-shadow: var(--shadow); }

.btn-white { background: var(--white); color: var(--black); border-color: var(--white); }
.btn-white:hover { background: var(--grey-100); }

.btn-white-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.35); }
.btn-white-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }

.nav-cta { padding: 9px 20px; font-size: 0.82rem; }

/* ===== HOME HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 28px 80px;
  position: relative;
  background: var(--white);
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(0,0,0,0.03) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner { max-width: 780px; margin: 0 auto; position: relative; z-index: 1; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--grey-500);
  border: 1px solid var(--grey-200);
  padding: 7px 18px;
  border-radius: 50px;
  margin-bottom: 28px;
}
.hero-tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--black);
  flex-shrink: 0;
}

.hero h1 {
  font-size: clamp(2.8rem, 8vw, 5.6rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.04;
  color: var(--black);
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--grey-500);
  line-height: 1.75;
  max-width: 500px;
  margin: 0 auto 40px;
}

.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ===== MARQUEE ===== */
.marquee-section {
  border-top: 1px solid var(--grey-200);
  border-bottom: 1px solid var(--grey-200);
  padding: 18px 0;
  overflow: hidden;
  background: var(--grey-50);
}
.marquee-track {
  display: flex;
  white-space: nowrap;
  animation: marquee 36s linear infinite;
}
.marquee-item {
  display: inline-block;
  padding: 0 36px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--grey-400);
  flex-shrink: 0;
  position: relative;
}
.marquee-item::after {
  content: '·';
  position: absolute;
  right: -4px;
  color: var(--grey-300);
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ===== STATS BAR ===== */
.stats-section {
  padding: 0;
  border-bottom: 1px solid var(--grey-200);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  padding: 52px 28px;
  text-align: center;
  border-right: 1px solid var(--grey-200);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--black);
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.76rem;
  color: var(--grey-400);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== SERVICES (HOME) ===== */
.services-section { background: var(--grey-50); }

.services-header { margin-bottom: 48px; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--grey-200);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.service-item {
  background: var(--white);
  padding: 36px 40px;
  transition: background var(--transition);
}
.service-item:hover { background: var(--black); }

.service-num {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--grey-300);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
  transition: color var(--transition);
}
.service-icon {
  width: 42px; height: 42px;
  background: var(--grey-100);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 18px;
  transition: background var(--transition);
}
.service-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  transition: color var(--transition);
}
.service-desc {
  font-size: 0.875rem;
  color: var(--grey-500);
  line-height: 1.65;
  transition: color var(--transition);
}
.service-item:hover .service-num,
.service-item:hover .service-title { color: var(--white); }
.service-item:hover .service-desc  { color: rgba(255,255,255,0.6); }
.service-item:hover .service-icon  { background: rgba(255,255,255,0.1); }

/* ===== PORTFOLIO PREVIEW (HOME) ===== */
.portfolio-preview-section { background: var(--white); }

.portfolio-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 44px;
  gap: 24px;
}

.preview-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
}
.preview-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--grey-100);
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--grey-200);
  transition: transform var(--transition), box-shadow var(--transition);
}
.preview-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.preview-card:first-child { grid-row: span 2; }

.preview-thumb { height: 220px; overflow: hidden; }
.preview-card:first-child .preview-thumb { height: 100%; min-height: 380px; }
.preview-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}
.preview-card:hover .preview-thumb img { transform: scale(1.04); }

.preview-body {
  padding: 18px 22px;
  background: var(--white);
  border-top: 1px solid var(--grey-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.preview-body-left h3 { font-size: 0.9rem; font-weight: 700; margin-bottom: 2px; }
.preview-body-left span { font-size: 0.76rem; color: var(--grey-400); font-weight: 500; }

.preview-arrow {
  width: 34px; height: 34px;
  border: 1.5px solid var(--grey-200);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  color: var(--grey-400);
  flex-shrink: 0;
  transition: all var(--transition);
}
.preview-card:hover .preview-arrow {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}

/* ===== PAGE HERO (INNER PAGES) ===== */
.page-hero {
  padding: 160px 0 80px;
  background: var(--grey-50);
  border-bottom: 1px solid var(--grey-200);
}
.page-hero-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--grey-400);
  margin-bottom: 14px;
}
.page-hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  color: var(--black);
  max-width: 680px;
}
.page-hero p {
  font-size: 1rem;
  color: var(--grey-500);
  margin-top: 20px;
  max-width: 480px;
  line-height: 1.75;
}

/* ===== ABOUT PAGE ===== */
.about-story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-highlights {
  background: var(--grey-50);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about-hl-item {
  padding: 28px 36px;
  border-bottom: 1px solid var(--grey-200);
  display: flex;
  align-items: center;
  gap: 24px;
}
.about-hl-item:last-child { border-bottom: none; }
.about-hl-num {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--black);
  line-height: 1;
  flex-shrink: 0;
  min-width: 80px;
}
.about-hl-text h4 { font-size: 0.88rem; font-weight: 700; margin-bottom: 3px; }
.about-hl-text p  { font-size: 0.82rem; color: var(--grey-500); }

.values-section { background: var(--grey-50); }
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 48px;
}
.value-card {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.value-card:hover { border-color: var(--grey-400); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.value-icon { font-size: 1.8rem; display: block; margin-bottom: 20px; }
.value-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.value-card p  { font-size: 0.875rem; color: var(--grey-500); line-height: 1.65; }

.services-about-section { background: var(--white); }
.services-about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 48px;
}
.service-about-card {
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.service-about-card:hover { border-color: var(--black); box-shadow: var(--shadow); }
.service-about-icon { font-size: 1.5rem; display: block; margin-bottom: 14px; }
.service-about-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.service-about-card p  { font-size: 0.85rem; color: var(--grey-500); line-height: 1.65; }

/* ===== PORTFOLIO PAGE ===== */
.portfolio-page-section { padding: 56px 0 96px; }

.portfolio-filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.filter-pill {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid var(--grey-200);
  background: var(--white);
  color: var(--grey-500);
  font-family: 'Manrope', sans-serif;
  transition: all var(--transition);
}
.filter-pill.active, .filter-pill:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.portfolio-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--grey-200);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: default;
}
.portfolio-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.portfolio-thumb {
  height: 196px;
  overflow: hidden;
  position: relative;
  background: var(--grey-100);
}
.portfolio-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.portfolio-card:hover .portfolio-thumb img { transform: scale(1.05); }

.portfolio-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  color: var(--grey-700);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 11px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.portfolio-body { padding: 18px 20px; }
.portfolio-body h3 { font-size: 0.9rem; font-weight: 700; margin-bottom: 5px; }
.portfolio-body p  { font-size: 0.8rem; color: var(--grey-500); line-height: 1.55; }

/* ===== CONTACT PAGE ===== */
.contact-section { background: var(--white); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px 0;
  border-bottom: 1px solid var(--grey-200);
}
.contact-info-item:first-child { padding-top: 0; }
.contact-info-item:last-child  { border-bottom: none; }

.contact-info-icon {
  width: 42px; height: 42px; min-width: 42px;
  background: var(--grey-100);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.05rem;
}
.contact-info-text h4 {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--grey-400);
  margin-bottom: 4px;
}
.contact-info-text p, .contact-info-text a {
  font-size: 0.92rem;
  color: var(--black);
  font-weight: 500;
  text-decoration: none;
  line-height: 1.5;
}
.contact-info-text a:hover { text-decoration: underline; }

.contact-form-card {
  background: var(--grey-50);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
}
.contact-form-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--grey-500);
  margin-bottom: 7px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 15px;
  border: 1.5px solid var(--grey-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-family: 'Manrope', sans-serif;
  font-size: 0.9rem;
  color: var(--black);
  transition: border-color 0.22s, box-shadow 0.22s;
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.05);
}
.form-group textarea { resize: vertical; min-height: 115px; }
.btn-form { width: 100%; justify-content: center; padding: 14px; font-size: 0.92rem; }

/* ===== CTA SECTION ===== */
.cta-section {
  background: var(--black);
  padding: 96px 0;
  text-align: center;
}
.cta-section .section-title { color: var(--white); font-size: clamp(1.9rem, 4.5vw, 3rem); }
.cta-section p {
  color: rgba(255,255,255,0.5);
  font-size: 1rem;
  margin: 16px auto 40px;
  max-width: 440px;
  line-height: 1.75;
}
.cta-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ===== FOOTER ===== */
footer {
  background: var(--black);
  color: var(--white);
  padding: 64px 0 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 52px;
  margin-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo-link {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: block;
  margin-bottom: 12px;
}
.footer-brand > p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.42);
  line-height: 1.7;
  max-width: 230px;
  margin-bottom: 24px;
}
.footer-social { display: flex; gap: 10px; }
.social-btn {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--white);
  transition: border-color var(--transition), background var(--transition);
}
.social-btn:hover {
  border-color: rgba(255,255,255,0.45);
  background: rgba(255,255,255,0.07);
}

.footer-col h4 {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.35);
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer-col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.58);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.28); }

/* ===== WHATSAPP FLOAT ===== */
.wa-float {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 900;
  width: 50px; height: 50px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none;
  font-size: 1.45rem;
  box-shadow: 0 4px 16px rgba(37,211,102,0.38);
  transition: transform var(--transition), box-shadow var(--transition);
}
.wa-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(37,211,102,0.5);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible   { opacity: 1; transform: translateY(0); }
.fade-up.delay-1   { transition-delay: 0.1s; }
.fade-up.delay-2   { transition-delay: 0.2s; }
.fade-up.delay-3   { transition-delay: 0.3s; }
.fade-up.delay-4   { transition-delay: 0.4s; }
.fade-up.delay-5   { transition-delay: 0.5s; }

/* ===== BLOG CARDS ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.blog-card {
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  transition: box-shadow var(--transition), transform var(--transition);
}
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.blog-card-img {
  display: block;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--grey-100);
}
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.blog-card:hover .blog-card-img img { transform: scale(1.04); }
.blog-card-img-placeholder { aspect-ratio: 16/9; background: var(--grey-100); }
.blog-card-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.blog-date { font-size: 0.72rem; color: var(--grey-400); font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; }
.blog-title { font-size: 1rem; font-weight: 700; line-height: 1.4; letter-spacing: -0.02em; }
.blog-title a { color: var(--black); text-decoration: none; }
.blog-title a:hover { color: var(--grey-600); }
.blog-excerpt { font-size: 0.875rem; color: var(--grey-500); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.blog-read-more { font-size: 0.78rem; font-weight: 700; color: var(--black); text-decoration: none; letter-spacing: 0.04em; margin-top: 4px; }
.blog-read-more:hover { color: var(--grey-500); }
.blog-skeleton { grid-column: 1/-1; display: flex; gap: 28px; }
.blog-skeleton-card { flex: 1; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--grey-200); }
.blog-skeleton-img { aspect-ratio: 16/9; background: linear-gradient(90deg, var(--grey-100) 25%, var(--grey-200) 50%, var(--grey-100) 75%); background-size: 200%; animation: shimmer 1.4s infinite; }
.blog-skeleton-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.blog-skeleton-line { height: 12px; border-radius: 6px; background: linear-gradient(90deg, var(--grey-100) 25%, var(--grey-200) 50%, var(--grey-100) 75%); background-size: 200%; animation: shimmer 1.4s infinite; }
.blog-skeleton-line.short { width: 40%; }
.blog-skeleton-line.long { width: 100%; }
.blog-skeleton-line.mid { width: 70%; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ===== PARTNER MARQUEE ===== */
.partner-marquee-outer {
  position: relative;
  overflow: hidden;
  -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%);
}
.partner-marquee-track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: partnerScroll 36s linear infinite;
}
.partner-marquee-track:hover { animation-play-state: paused; }
@keyframes partnerScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.partner-logo-card {
  background: var(--grey-50);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius);
  padding: 18px 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 156px;
  height: 84px;
  transition: box-shadow var(--transition);
}
.partner-logo-card:hover { box-shadow: 0 6px 20px rgba(0,0,0,0.08); }
.partner-logo-card img { max-height: 48px; width: 100%; object-fit: contain; }