/* ==========================================================================
   SkalaM - Core Design System & Stylesheet
   ========================================================================== */

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

/* CSS Variables */
:root {
  /* Colors */
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f162a;
  --bg-card: rgba(30, 41, 59, 0.4);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-card-hover: rgba(99, 102, 241, 0.4);
  
  --color-primary: #6366f1; /* Electric Indigo */
  --color-primary-glow: rgba(99, 102, 241, 0.15);
  --color-secondary: #14b8a6; /* Neon Teal */
  --color-accent: #a855f7; /* Royal Violet */
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Gradients */
  --gradient-brand: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --gradient-glow: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(168, 85, 247, 0.05) 50%, transparent 100%);
  --gradient-dark: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  
  /* Fonts */
  --font-header: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout & Transitions */
  --max-width: 1200px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
  background-image: var(--gradient-dark);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-secondary);
  border: 2px solid var(--bg-primary);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Typography & Core Elements */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-header);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}

p {
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.1vw, 1.125rem);
}

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

ul {
  list-style: none;
}

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

/* Background Ambient Glow Elements */
.ambient-glows {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.glow-1 {
  position: absolute;
  top: 10%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0,0,0,0) 70%);
  filter: blur(80px);
  animation: pulse GlowAnimation 8s infinite alternate;
}

.glow-2 {
  position: absolute;
  top: 40%;
  left: -20%;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.1) 0%, rgba(0,0,0,0) 70%);
  filter: blur(100px);
  animation: pulse GlowAnimation 12s infinite alternate-reverse;
}

.glow-3 {
  position: absolute;
  bottom: 15%;
  right: -10%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.12) 0%, rgba(0,0,0,0) 70%);
  filter: blur(90px);
}

@keyframes GlowAnimation {
  0% { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.15) translate(20px, -30px); }
}

/* Reusable Components & Utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 10;
}

.section {
  padding: 8rem 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4.5rem;
}

.section-header .tag {
  display: inline-block;
  font-family: var(--font-header);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.75rem;
}

.gradient-text {
  background: linear-gradient(135deg, #fff 30%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.accent-text {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-header);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-normal);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: skewX(-20deg);
  transition: var(--transition-normal);
  pointer-events: none;
}

.btn-primary:hover::after {
  left: 120%;
  transition: 0.7s ease-in-out;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-card);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-icon {
  transition: var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* Glassmorphism Card Style */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--border-card-hover);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.08);
}


/* ==========================================================================
   Header & Navigation
   ========================================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: var(--transition-normal);
  padding: 1.5rem 0;
}

header.scrolled {
  background: rgba(10, 14, 26, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 1rem 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-header);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-brand);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  font-size: 1.1rem;
}

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

.nav-menu {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.95rem;
  position: relative;
  padding: 0.25rem 0;
}

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

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link:hover::after {
  width: 100%;
}

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

/* Hamburger Menu */
.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  outline: none;
  z-index: 101;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 2px;
  margin: 5px auto;
  background-color: var(--text-primary);
  transition: var(--transition-fast);
}


/* ==========================================================================
   Hero Section
   ========================================================================== */
#hero {
  padding-top: 12rem;
  padding-bottom: 6rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 50px;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-secondary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-secondary);
  animation: blink 1.5s infinite alternate;
}

@keyframes blink {
  0% { opacity: 0.3; }
  100% { opacity: 1; }
}

.hero-title {
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-description {
  margin-bottom: 2.5rem;
  font-size: 1.2rem;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Hero Visual / Mockup */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-art {
  width: 100%;
  aspect-ratio: 1;
  position: relative;
}

/* Floating Elements in Visual */
.visual-bg-circle {
  position: absolute;
  top: 10%;
  left: 10%;
  width: 80%;
  height: 80%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);
  z-index: 1;
}

.visual-card {
  position: absolute;
  padding: 1.5rem;
  z-index: 2;
}

.card-main {
  width: 85%;
  height: 80%;
  top: 10%;
  left: 5%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-code-header {
  display: flex;
  gap: 6px;
  margin-bottom: 1.25rem;
}

.code-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #eab308; }
.dot-green { background: #22c55e; }

.code-line {
  height: 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  margin-bottom: 8px;
}
.code-line.w-60 { width: 60%; }
.code-line.w-80 { width: 80%; }
.code-line.w-40 { width: 40%; }
.code-line.w-90 { width: 90%; }
.code-line.w-70 { width: 70%; }
.code-line.highlight-blue { background: rgba(99, 102, 241, 0.3); width: 50%; }
.code-line.highlight-teal { background: rgba(20, 184, 166, 0.3); width: 65%; }

.card-overlay-1 {
  width: 55%;
  bottom: 0%;
  right: -5%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  animation: float-slow 6s ease-in-out infinite alternate;
}

.card-overlay-2 {
  width: 50%;
  top: -5%;
  right: -5%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  animation: float-slow 8s ease-in-out infinite alternate-reverse;
}

.stat-header {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.stat-value {
  font-family: var(--font-header);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stat-trend {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-secondary);
  background: rgba(20, 184, 166, 0.1);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

@keyframes float-slow {
  0% { transform: translateY(0px) rotate(0deg); }
  100% { transform: translateY(-15px) rotate(1deg); }
}


/* ==========================================================================
   Services Section
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  padding: 3rem 2.25rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100%;
}

.service-icon-box {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  color: var(--color-primary);
  transition: var(--transition-normal);
  position: relative;
}

.service-card:hover .service-icon-box {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
  transform: scale(1.1);
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.service-description {
  font-size: 0.975rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  flex-grow: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
}

.service-link svg {
  transition: var(--transition-fast);
}

.service-card:hover .service-link {
  color: var(--color-secondary);
}

.service-card:hover .service-link svg {
  transform: translateX(6px);
}


/* ==========================================================================
   Tech Stack / Expertise Section
   ========================================================================== */
.tech-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tech-filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 3.5rem;
  background: rgba(255, 255, 255, 0.02);
  padding: 0.4rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(10px);
}

.tech-filter-btn {
  background: none;
  border: none;
  outline: none;
  padding: 0.6rem 1.5rem;
  font-family: var(--font-header);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.tech-filter-btn:hover {
  color: var(--text-primary);
}

.tech-filter-btn.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 1.5rem;
  width: 100%;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  border-radius: var(--border-radius-md);
  text-align: center;
  transition: var(--transition-normal);
  transform-origin: center;
}

.tech-item svg {
  width: 48px;
  height: 48px;
  margin-bottom: 1.25rem;
  transition: var(--transition-normal);
}

.tech-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.tech-item:hover {
  background: rgba(255, 255, 255, 0.02);
  transform: translateY(-5px);
  border-color: var(--border-card-hover);
}

.tech-item:hover svg {
  transform: scale(1.1) rotate(2deg);
}

.tech-item:hover .tech-name {
  color: var(--text-primary);
}


/* ==========================================================================
   Process Section
   ========================================================================== */
.process-timeline {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  position: relative;
  max-width: 850px;
  margin: 0 auto;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 36px;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 50%, rgba(20, 184, 166, 0) 100%);
  z-index: 1;
}

.process-step {
  display: flex;
  gap: 2.5rem;
  position: relative;
  z-index: 2;
}

.step-number {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-header);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
  transition: var(--transition-normal);
}

.process-step:hover .step-number {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  box-shadow: 0 0 25px rgba(20, 184, 166, 0.2);
  transform: scale(1.05);
}

.step-content {
  padding: 2rem;
  flex-grow: 1;
}

.step-title {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.step-duration {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(20, 184, 166, 0.08);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}


/* ==========================================================================
   Contact & Form Section
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: start;
}

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

.contact-headline {
  margin-bottom: 1.5rem;
}

.contact-sub {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 3.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.contact-icon-box {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.15rem;
}

.contact-value {
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.contact-form-container {
  padding: 3rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.form-group {
  position: relative;
  width: 100%;
}

.form-input {
  width: 100%;
  padding: 1.1rem 1.25rem;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.1);
}

.form-label {
  position: absolute;
  left: 1.25rem;
  top: 1.1rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: var(--transition-fast);
}

/* Floating Label Logic */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: -0.6rem;
  left: 0.75rem;
  font-size: 0.75rem;
  color: var(--color-primary);
  background: var(--bg-secondary);
  padding: 0 0.4rem;
  border-radius: 4px;
}

textarea.form-input {
  min-height: 150px;
  resize: vertical;
}

/* Form Submit Feedback States */
.form-feedback {
  padding: 1rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  display: none;
}

.form-feedback.success {
  display: block;
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.2);
  color: var(--color-secondary);
}

.form-feedback.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #f87171;
}


/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  border-top: 1px solid var(--border-card);
  padding: 4.5rem 0 3rem;
  background-color: #060912;
  position: relative;
  z-index: 10;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-links-col h4 {
  font-size: 1rem;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

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

.footer-link {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-link:hover {
  color: var(--color-secondary);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-copy {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: 1.25rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.social-link:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px);
}


/* ==========================================================================
   Scroll-Triggered Entry Animations (JS-controlled classes)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger reveals */
.reveal-stagger {
  /* display: contents; - Removed to ensure IntersectionObserver works and grid containers maintain their box model */
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-stagger.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0.1s; }
.reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.2s; }
.reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.3s; }
.reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.4s; }
.reveal-stagger.revealed > *:nth-child(5) { transition-delay: 0.5s; }
.reveal-stagger.revealed > *:nth-child(6) { transition-delay: 0.6s; }


/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
    text-align: center;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-visual {
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .contact-info {
    text-align: center;
    align-items: center;
  }
  
  .contact-details {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .footer-top {
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 6rem 0;
  }
  
  /* Navigation mobile behavior */
  .hamburger {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 380px;
    height: 100vh;
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--border-card);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    transition: var(--transition-normal);
    z-index: 100;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -8px);
  }
  
  .nav-cta {
    display: none; /* Hide top bar CTA on mobile, keep inside menu if needed */
  }
  
  .nav-menu .nav-cta-mobile {
    display: block;
  }
  
  .process-timeline::before {
    left: 20px;
  }
  
  .step-number {
    width: 44px;
    height: 44px;
    font-size: 1.1rem;
  }
  
  .process-step {
    gap: 1.25rem;
  }
  
  .step-content {
    padding: 0.5rem 0 1.5rem 0;
  }
  
  .step-title {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }
  
  .contact-form-container {
    padding: 2rem 1.5rem;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .footer-brand {
    align-items: center;
    text-align: center;
  }
  
  .footer-brand .footer-description {
    max-width: 100%;
  }
  
  .footer-links-col {
    text-align: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
  }
  
  .contact-details {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }
}