/* ==========================================================================
   Buukandpin - Modern SEO Agency Stylesheet
   ========================================================================== */

/* --- CSS Variables & Theme Setup --- */
:root {
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Color Palette */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-glow: rgba(37, 99, 235, 0.25);
  
  --secondary: #0f172a;
  --accent: #06b6d4;
  --accent-glow: rgba(6, 182, 212, 0.25);
  --success: #10b981;
  
  /* Neutral Colors */
  --bg-body: #0b0f19;
  --bg-surface: #111827;
  --bg-surface-elevated: #1f2937;
  --bg-card: rgba(17, 24, 39, 0.85);
  --bg-card-hover: rgba(31, 41, 55, 0.95);
  
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(37, 99, 235, 0.6);
  --border-card: rgba(255, 255, 255, 0.12);
  
  /* Gradients */
  --gradient-brand: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  --gradient-text: linear-gradient(135deg, #ffffff 30%, #93c5fd 100%);
  --gradient-glow: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.15), transparent 70%);
  
  /* Transitions & Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.35);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Global Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

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

/* --- Section Title Reusable Styles --- */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.3);
  border-radius: var(--radius-pill);
  color: #60a5fa;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: var(--radius-pill);
  font-size: 0.975rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.5);
  filter: brightness(1.08);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-large {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

/* --- Navigation Bar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 0;
  background: rgba(11, 15, 25, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: padding var(--transition-normal), background var(--transition-normal);
}

.navbar.scrolled {
  padding: 12px 0;
  background: rgba(11, 15, 25, 0.95);
  box-shadow: var(--shadow-sm);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #ffffff;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-brand);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px var(--primary-glow);
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

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

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: width var(--transition-fast);
  border-radius: 2px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  padding: 170px 0 100px 0;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(37, 99, 235, 0.25), transparent);
}

.hero::after {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-pill);
  color: #e2e8f0;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.12;
  margin-bottom: 24px;
  color: #ffffff;
}

.hero h1 .highlight {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 740px;
  margin: 0 auto 36px auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

/* Stats Counter Grid */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 28px 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  max-width: 780px;
  margin: 0 auto;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* --- About Section --- */
.about {
  padding: 110px 0;
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.about-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: var(--shadow-lg);
}

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

.about-card .icon-wrapper {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #60a5fa;
  margin-bottom: 22px;
}

.about-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
}

.about-card p {
  color: var(--text-muted);
  font-size: 0.975rem;
  line-height: 1.65;
}

/* --- Services Section --- */
.services {
  padding: 110px 0;
  background: linear-gradient(180deg, var(--bg-body) 0%, #0d1322 50%, var(--bg-body) 100%);
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.5), 0 0 20px rgba(6, 182, 212, 0.15);
}

.service-badge {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(6, 182, 212, 0.12);
  color: #22d3ee;
  border: 1px solid rgba(6, 182, 212, 0.25);
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #60a5fa;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.service-features {
  list-style: none;
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #d1d5db;
  margin-bottom: 10px;
}

.service-features li:last-child {
  margin-bottom: 0;
}

.service-features li svg {
  color: var(--accent);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* --- Process Section --- */
.process {
  padding: 110px 0;
  position: relative;
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 24px;
  position: relative;
}

.process-step {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  transition: all var(--transition-normal);
}

.process-step:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  border-color: rgba(37, 99, 235, 0.4);
}

.step-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradient-brand);
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.process-step h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #ffffff;
}

.process-step p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --- CTA Banner Section --- */
.cta-banner {
  padding: 70px 0;
}

.cta-banner-box {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(6, 182, 212, 0.15) 100%);
  border: 1px solid rgba(37, 99, 235, 0.35);
  border-radius: var(--radius-xl);
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
}

.cta-banner-box h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  color: #ffffff;
}

.cta-banner-box p {
  font-size: 1.15rem;
  color: #cbd5e1;
  max-width: 680px;
  margin: 0 auto 32px auto;
  line-height: 1.65;
}

/* --- Contact Section --- */
.contact-section {
  padding: 110px 0 120px 0;
  position: relative;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 48px;
  align-items: flex-start;
}

/* Contact Info Card */
.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 44px 36px;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 100px;
}

.contact-info-card h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.contact-info-card > p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 32px;
  line-height: 1.6;
}

.info-items-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-bottom: 36px;
}

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

.info-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #60a5fa;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.info-text-group {
  display: flex;
  flex-direction: column;
}

.info-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.info-value {
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.5;
}

.info-value.address-box {
  background: rgba(255, 255, 255, 0.03);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  line-height: 1.6;
}

.info-value.address-box strong {
  color: #93c5fd;
  display: block;
}

.address-action {
  margin-top: 8px;
}

.btn-map-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.btn-map-link:hover {
  color: #67e8f9;
}

/* Contact Form Card */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 44px 36px;
  box-shadow: var(--shadow-lg);
}

.contact-form-card h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 10px;
}

.contact-form-card > p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 30px;
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #e2e8f0;
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(15, 23, 42, 0.9);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

.form-control::placeholder {
  color: var(--text-dim);
}

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

.form-status {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
}

/* --- Footer --- */
.footer {
  background: #070a12;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 36px 0;
  color: var(--text-muted);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  margin: 18px 0 24px 0;
  font-size: 0.925rem;
  line-height: 1.65;
  max-width: 320px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.social-link:hover {
  color: #ffffff;
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #60a5fa;
  padding-left: 4px;
}

.footer-address {
  font-size: 0.875rem;
  line-height: 1.65;
  color: #94a3b8;
}

.footer-address strong {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a:hover {
  color: #ffffff;
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .contact-info-card {
    position: static;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(11, 15, 25, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 30px 24px;
    gap: 24px;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-150%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links {
    flex-direction: column;
    gap: 20px;
    width: 100%;
    text-align: center;
  }

  .nav-cta {
    width: 100%;
  }

  .nav-cta .btn {
    width: 100%;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }
}