/* ==========================================================================
   SVTR Web Development Studio - Global CSS Stylesheet
   High-tech, cinematic electric blue studio theme based on reference design.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Space+Mono:wght@400;700&family=Syncopate:wght@700&family=Syne:wght@700;800&display=swap');

:root {
  /* Color Palette - Electric Blue High-Tech Theme */
  --bg-dark: #030508;
  --bg-surface: #070B12;
  --bg-card: rgba(10, 15, 26, 0.75);
  --bg-card-hover: rgba(18, 26, 45, 0.9);
  
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  /* Accent - Electric Blue */
  --accent: #2563EB;
  --accent-light: #60A5FA;
  --accent-bright: #1D63FF;
  --accent-hover: #1D4ED8;
  --accent-glow: rgba(29, 99, 255, 0.35);
  --accent-text: #FFFFFF;

  --border-color: rgba(255, 255, 255, 0.12);
  --border-highlight: rgba(37, 99, 235, 0.5);

  /* Typography */
  --font-display: 'Syncopate', 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Space Mono', monospace;

  /* Layout & Spacing */
  --header-height: 76px;
  --container-max-width: 1140px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* Global Ambient Glow Background */
body::before {
  content: "";
  position: fixed;
  top: -20%;
  right: -10%;
  width: 70vw;
  height: 600px;
  background: radial-gradient(circle, rgba(29, 99, 255, 0.12) 0%, rgba(3, 5, 8, 0) 70%);
  pointer-events: none;
  z-index: -1;
}

main {
  flex: 1 0 auto;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-spacing {
  padding: 5.5rem 0;
}

@media (max-width: 768px) {
  .section-spacing {
    padding: 3.5rem 0;
  }
}

/* Typography Utilities */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.hero-title {
  font-size: clamp(2rem, 5.2vw, 3.6rem);
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.section-title {
  font-size: clamp(1.6rem, 3.8vw, 2.4rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 660px;
  line-height: 1.65;
}

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

/* Kicker Tag (Monospace micro-badge) */
.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  margin-bottom: 1.5rem;
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
}

/* Buttons & Touch Targets (Min 44px height) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-bright);
  color: #FFFFFF;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover, .btn-primary:focus-visible {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(29, 99, 255, 0.5);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.03);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover, .btn-secondary:focus-visible {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.4);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-header-cta {
  background-color: var(--accent-bright);
  color: #FFFFFF;
  padding: 0.45rem 1.25rem;
  min-height: 40px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-header-cta:hover {
  background-color: var(--accent-hover);
  box-shadow: 0 0 15px var(--accent-glow);
}

/* Shared Header Navigation */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(3, 5, 8, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.header-container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
}

.header-logo-img {
  height: 36px;
  max-height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: #FFFFFF;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-bright);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--accent-bright);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Toggle Hamburger Button */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  z-index: 1001;
}

.hamburger-bar {
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-toggle.is-active .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.is-active .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.is-active .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Breakpoint (< 768px) */
@media (max-width: 767px) {
  .mobile-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: rgba(7, 11, 18, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    transform: translateY(-150%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
  }

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

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    width: 100%;
  }

  .nav-link {
    font-size: 0.95rem;
    width: 100%;
    padding: 0.5rem 0;
  }

  .btn-header-cta {
    padding: 0.4rem 0.9rem;
    font-size: 0.75rem;
    min-height: 38px;
  }
}

/* Hero Section */
.hero-section {
  padding: 6.5rem 0 4.5rem 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 2rem;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2.25rem;
  flex-wrap: wrap;
}

@media (max-width: 576px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }
}

/* Hero Geometric Graphic (Right Side) */
.hero-graphic-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1;
}

.hero-blue-glow {
  position: absolute;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(29, 99, 255, 0.35) 0%, rgba(37, 99, 235, 0.1) 45%, rgba(3, 5, 8, 0) 70%);
  filter: blur(40px);
  border-radius: 50%;
  pointer-events: none;
  animation: heroPulse 8s ease-in-out infinite alternate;
}

.hero-crystal-svg {
  width: 100%;
  max-width: 420px;
  height: auto;
  filter: drop-shadow(0 0 25px rgba(29, 99, 255, 0.4));
  animation: floatCrystal 12s ease-in-out infinite alternate;
}

@keyframes heroPulse {
  0% { transform: scale(0.95); opacity: 0.7; }
  100% { transform: scale(1.1); opacity: 1; }
}

@keyframes floatCrystal {
  0% { transform: translateY(0) rotate(0deg); }
  100% { transform: translateY(-15px) rotate(3deg); }
}

@media (max-width: 992px) {
  .hero-graphic-container {
    margin-top: 2rem;
    max-width: 340px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* Feature Cards & Services Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
  margin-top: 2.5rem;
}

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

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
  backdrop-filter: blur(12px);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px var(--accent-glow);
}

.card-price {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 1rem;
  font-family: var(--font-display);
}

.card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.feature-list {
  margin: 1.5rem 0 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.feature-icon {
  color: var(--accent-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.card-note-line {
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
  font-style: italic;
}

/* Why Svtr Points Grid */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (max-width: 992px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

.why-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: var(--transition);
}

.why-card:hover {
  border-color: var(--border-highlight);
  background: rgba(29, 99, 255, 0.05);
}

.why-number {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1.2;
}

.why-content {
  display: flex;
  flex-direction: column;
}

.why-title {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  text-transform: none;
  letter-spacing: normal;
}

.why-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Process Timeline List */
.process-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.process-step {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  transition: var(--transition);
}

.process-step:hover {
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
}

.process-badge {
  background: rgba(29, 99, 255, 0.15);
  color: var(--accent-light);
  border: 1px solid var(--border-highlight);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.process-info h3 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.process-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Closing CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, rgba(10, 15, 26, 0.95), rgba(3, 5, 8, 0.98));
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-top: 3rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 30px var(--accent-glow);
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 350px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-bright), transparent);
}

.cta-banner h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin-bottom: 1.5rem;
}

/* Contact Page Layout */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  margin-top: 2.5rem;
}

@media (max-width: 868px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  height: fit-content;
}

.contact-direct-links {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.direct-link-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-weight: 500;
  transition: var(--transition);
  min-height: 48px;
}

.direct-link-item:hover {
  background: rgba(29, 99, 255, 0.08);
  border-color: var(--border-highlight);
  color: var(--accent-light);
}

.direct-link-item.wa-direct:hover {
  color: #25D366;
  border-color: rgba(37, 211, 102, 0.4);
}

/* Form Styles */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  backdrop-filter: blur(16px);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.form-label .required {
  color: var(--accent-light);
  margin-left: 3px;
}

.form-control {
  width: 100%;
  min-height: 48px;
  background: rgba(3, 5, 8, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: var(--transition);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239CA3AF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

select.form-control option {
  background-color: var(--bg-surface);
  color: var(--text-primary);
}

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

.form-control:focus {
  outline: none;
  border-color: var(--accent-bright);
  box-shadow: 0 0 12px var(--accent-glow);
  background: rgba(3, 5, 8, 0.95);
}

.form-status {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  line-height: 1.5;
  display: none;
}

.form-status:not(:empty) {
  display: block;
}

.form-status.info {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.form-status.success {
  background: rgba(29, 99, 255, 0.15);
  border: 1px solid var(--border-highlight);
  color: var(--accent-light);
  font-weight: 600;
}

.form-status.error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #FCA5A5;
}

.status-wa-link {
  color: #25D366;
  text-decoration: underline;
  font-weight: 600;
}

/* Spinner Icon */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #FFFFFF;
  animation: spin 0.8s linear infinite;
  margin-right: 8px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Shared Footer */
.site-footer {
  background-color: #020305;
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2.5rem 0;
  margin-top: auto;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-color);
}

.footer-brand {
  max-width: 350px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #FFFFFF;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--accent-light);
}

.footer-bottom {
  padding-top: 1.75rem;
  text-align: center;
}

.copyright {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

@media (max-width: 576px) {
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}