/* ===========================
   KLdigital — Design System
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap');

:root {
  --bg:        #07070F;
  --bg-2:      #0C0C1A;
  --bg-card:   rgba(255,255,255,0.04);
  --border:    rgba(255,255,255,0.08);
  --border-h:  rgba(26,111,255,0.4);
  --blue:      #1A6FFF;
  --blue-glow: rgba(26,111,255,0.25);
  --cyan:      #00C8FF;
  --white:     #FFFFFF;
  --gray:      #7A849A;
  --gray-l:    #BDC5D1;
  --radius:    12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Dot grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

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

h1, h2, h3, h4, h5 { font-family: 'Syne', sans-serif; line-height: 1.15; }

h1 { font-size: clamp(2.4rem, 6vw, 5rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 700; }
h4 { font-size: 1.1rem; font-weight: 600; }

p { color: var(--gray-l); font-size: 1rem; line-height: 1.75; }

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

img, svg { display: block; max-width: 100%; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
}

.section-title {
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 560px;
  margin-bottom: 56px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 0 30px var(--blue-glow);
}

.btn-primary:hover {
  background: #2d7fff;
  box-shadow: 0 0 50px rgba(26,111,255,0.45);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--border-h);
  background: var(--bg-card);
  transform: translateY(-2px);
}

/* ===========================
   NAVIGATION
   =========================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(7,7,15,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo img {
  height: 36px;
  filter: brightness(0) invert(1);
}

.nav-logo-text {
  font-family: 'Syne', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-logo-text span {
  color: var(--blue);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-l);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,0.07);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(12,12,26,0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  min-width: 240px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  z-index: 200;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  pointer-events: all;
}

.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--gray-l);
  width: 100%;
}

.nav-dropdown-menu a:hover {
  background: var(--bg-card);
  color: var(--white);
}

.nav-dropdown-menu a .icon {
  font-size: 1.1rem;
}

.nav-cta { margin-left: 16px; }

/* Mobile nav */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99;
  padding: 100px 24px 40px;
  flex-direction: column;
  gap: 8px;
}

.nav-mobile.open { display: flex; }

.nav-mobile a {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gray-l);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

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

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
}

/* ===========================
   HERO
   =========================== */

.hero {
  padding: 180px 0 120px;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26,111,255,0.15) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,200,255,0.08) 0%, transparent 70%);
  bottom: 0;
  left: -100px;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gray-l);
  margin-bottom: 32px;
  animation: fadeUp 0.6s ease both;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.hero h1 {
  animation: fadeUp 0.6s 0.1s ease both;
  margin-bottom: 24px;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--gray);
  max-width: 560px;
  margin-bottom: 48px;
  animation: fadeUp 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeUp 0.6s 0.3s ease both;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 80px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  animation: fadeUp 0.6s 0.4s ease both;
}

.hero-stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  display: block;
}

.hero-stat-value span { color: var(--blue); }

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--gray);
  margin-top: 4px;
}

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

/* ===========================
   CARDS / SERVICES
   =========================== */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  opacity: 0;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
  background: rgba(26,111,255,0.06);
}

.card:hover::before { opacity: 1; }

.card-icon {
  width: 52px;
  height: 52px;
  background: rgba(26,111,255,0.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  transition: var(--transition);
}

.card:hover .card-icon {
  background: rgba(26,111,255,0.22);
}

.card h3 { margin-bottom: 12px; }

.card p { font-size: 0.9rem; margin-bottom: 20px; }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blue);
  transition: var(--transition);
}

.card-link:hover { gap: 10px; }

/* ===========================
   WHY US
   =========================== */

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.why-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.why-num {
  font-family: 'Syne', sans-serif;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--blue);
  background: rgba(26,111,255,0.12);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.why-item h4 { margin-bottom: 4px; }
.why-item p { font-size: 0.9rem; }

.why-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-2);
  border: 1px solid var(--border);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-visual-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.metric-circle {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.metric-circle::before {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: conic-gradient(var(--blue) 0% 92%, var(--border) 92% 100%);
  mask: radial-gradient(circle, transparent 60%, black 60%);
  -webkit-mask: radial-gradient(circle, transparent 60%, black 60%);
}

.metric-value {
  font-family: 'Syne', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.metric-value span { color: var(--blue); }

.metric-label {
  font-size: 0.78rem;
  color: var(--gray);
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-visual { display: none; }
}

/* ===========================
   CTA SECTION
   =========================== */

.cta-section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}

.cta-box {
  background: linear-gradient(135deg, rgba(26,111,255,0.15), rgba(0,200,255,0.06));
  border: 1px solid rgba(26,111,255,0.25);
  border-radius: 24px;
  padding: 72px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(26,111,255,0.2) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box h2 { margin-bottom: 16px; }
.cta-box p { margin-bottom: 40px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

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

footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand p {
  font-size: 0.875rem;
  margin-top: 16px;
  max-width: 260px;
}

.footer-col h5 {
  font-family: 'Syne', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 20px;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.footer-col ul a {
  font-size: 0.875rem;
  color: var(--gray-l);
  transition: var(--transition);
}

.footer-col ul a:hover { color: var(--blue); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--gray);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 0.82rem;
  color: var(--gray);
  transition: var(--transition);
}

.footer-legal a:hover { color: var(--white); }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ===========================
   PAGE HEADER (Inner pages)
   =========================== */

.page-header {
  padding: 160px 0 80px;
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--border);
}

.page-header .section-label { margin-bottom: 16px; }
.page-header h1 { margin-bottom: 20px; }
.page-header p { font-size: 1.1rem; max-width: 600px; }

/* ===========================
   BREADCRUMB
   =========================== */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--gray);
  margin-bottom: 24px;
}

.breadcrumb a { transition: var(--transition); }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb span { color: var(--gray); }

/* ===========================
   SERVICE DETAIL
   =========================== */

.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.service-detail .sticky-col {
  position: sticky;
  top: 100px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 32px 0;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.feature-item:hover { border-color: var(--border-h); }

.feature-item .check {
  color: var(--blue);
  font-size: 1rem;
  flex-shrink: 0;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 32px;
}

.process-step {
  display: flex;
  gap: 20px;
  padding-bottom: 32px;
  position: relative;
}

.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(26,111,255,0.12);
  border: 1px solid rgba(26,111,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step-content h4 { margin-bottom: 6px; }
.step-content p { font-size: 0.875rem; }

@media (max-width: 768px) {
  .service-detail { grid-template-columns: 1fr; }
  .service-detail .sticky-col { position: static; }
}

/* ===========================
   TESTIMONIALS
   =========================== */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
}

.stars {
  color: #FFB800;
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonial-card blockquote {
  font-size: 0.95rem;
  color: var(--gray-l);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 24px;
  border: none;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  flex-shrink: 0;
}

.author-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.author-role {
  font-size: 0.8rem;
  color: var(--gray);
}

/* Google badge */
.google-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.05);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--gray);
  margin-top: 8px;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(26,111,255,0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item h4 { margin-bottom: 4px; font-size: 0.95rem; }
.contact-item p { font-size: 0.875rem; }

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-l);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray); }

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue);
  background: rgba(26,111,255,0.06);
}

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

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ===========================
   ABOUT PAGE
   =========================== */

.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.value-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.value-card h4 { margin-bottom: 8px; font-size: 1rem; }
.value-card p { font-size: 0.82rem; }

@media (max-width: 768px) {
  .about-intro { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
}

/* ===========================
   LEGAL PAGES
   =========================== */

.legal-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 0 120px;
  position: relative;
  z-index: 1;
}

.legal-content h2 {
  font-size: 1.3rem;
  margin: 48px 0 16px;
  color: var(--white);
}

.legal-content h2:first-of-type { margin-top: 0; }

.legal-content p {
  font-size: 0.9rem;
  margin-bottom: 16px;
  color: var(--gray-l);
}

.legal-content ul {
  margin: 0 0 16px 20px;
  color: var(--gray-l);
  font-size: 0.9rem;
}

.legal-content ul li { margin-bottom: 8px; line-height: 1.7; }

.legal-content a { color: var(--blue); }

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

.text-center { text-align: center; }
.text-blue { color: var(--blue); }
.text-cyan { color: var(--cyan); }
.mb-0 { margin-bottom: 0; }
.w-full { width: 100%; }

.tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(26,111,255,0.12);
  border: 1px solid rgba(26,111,255,0.2);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blue);
}

/* Divider */
.divider {
  height: 1px;
  background: var(--border);
  position: relative;
  z-index: 1;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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