/* ============================================
   ZOTMA SOLUSI INFORMATIKA - Design System
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Rubik:wght@400;500;600;700&display=swap');

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Brand Colors – Microsoft-inspired quad */
  --color-red: #E8453C;
  --color-yellow: #F2B705;
  --color-green: #27AE60;
  --color-blue: #2D8FD5;

  /* Darker variants */
  --color-red-dark: #C0392B;
  --color-yellow-dark: #D4A004;
  --color-green-dark: #1E8449;
  --color-blue-dark: #1A6FAF;

  /* Lighter / pastel variants */
  --color-red-light: #FDEDEC;
  --color-yellow-light: #FEF9E7;
  --color-green-light: #EAFAF1;
  --color-blue-light: #EBF5FB;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-bg: #F8F9FA;
  --color-surface: #FFFFFF;
  --color-border: #E5E7EB;
  --color-text: #1F2937;
  --color-text-secondary: #6B7280;
  --color-text-muted: #9CA3AF;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #1A6FAF 0%, #2D8FD5 40%, #27AE60 100%);
  --gradient-cta: linear-gradient(135deg, var(--color-blue) 0%, var(--color-green) 100%);
  --gradient-warm: linear-gradient(135deg, var(--color-red) 0%, var(--color-yellow) 100%);

  /* Typography */
  --font-heading: 'Rubik', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.10);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
  --shadow-color: 0 8px 30px rgba(45, 143, 213, 0.18);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Container */
  --container-max: 1200px;
  --navbar-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-blue-dark);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
}

h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
}

h3 {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
}

h4 {
  font-size: 1.125rem;
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-light {
  background-color: var(--color-bg);
}

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

.section-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.badge-blue {
  background: var(--color-blue-light);
  color: var(--color-blue-dark);
}

.badge-red {
  background: var(--color-red-light);
  color: var(--color-red-dark);
}

.badge-green {
  background: var(--color-green-light);
  color: var(--color-green-dark);
}

.badge-yellow {
  background: var(--color-yellow-light);
  color: var(--color-yellow-dark);
}

.section-title {
  margin-bottom: var(--space-lg);
}

.section-subtitle {
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
  font-size: 1.05rem;
  color: var(--color-text-secondary);
}

/* Decorative color bar */
.color-bar {
  display: flex;
  height: 4px;
  width: 80px;
  margin: var(--space-md) auto var(--space-xl);
  border-radius: 2px;
  overflow: hidden;
}

.color-bar span {
  flex: 1;
}

.color-bar span:nth-child(1) {
  background: var(--color-red);
}

.color-bar span:nth-child(2) {
  background: var(--color-yellow);
}

.color-bar span:nth-child(3) {
  background: var(--color-green);
}

.color-bar span:nth-child(4) {
  background: var(--color-blue);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.15);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-cta);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(45, 143, 213, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(45, 143, 213, 0.4);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-white);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-blue);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-blue-dark);
}

/* ============================================
   Navbar
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.navbar-brand img {
  height: 38px;
  width: auto;
}

.navbar-brand span {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-links a {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-blue);
  background: var(--color-blue-light);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 18px;
  right: 18px;
  height: 2px;
  background: var(--color-blue);
  border-radius: 1px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: transparent;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Hero Sections
   ============================================ */
.hero {
  position: relative;
  min-height: 540px;
  display: flex;
  align-items: center;
  padding-top: var(--navbar-height);
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(242, 183, 5, 0.12) 0%, transparent 70%);
  border-radius: 50%;
}

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

.hero-content {
  max-width: 680px;
  padding: var(--space-3xl) 0;
}

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(4px);
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
  font-weight: 800;
}

.hero p {
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: var(--space-xl);
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Floating shapes */
.hero-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-shapes .shape {
  position: absolute;
  border-radius: var(--radius-lg);
  opacity: 0.06;
  background: white;
}

.hero-shapes .shape-1 {
  width: 120px;
  height: 120px;
  top: 15%;
  right: 8%;
  animation: float 8s ease-in-out infinite;
}

.hero-shapes .shape-2 {
  width: 80px;
  height: 80px;
  top: 60%;
  right: 20%;
  animation: float 6s ease-in-out infinite 1s;
}

.hero-shapes .shape-3 {
  width: 50px;
  height: 50px;
  bottom: 20%;
  right: 35%;
  animation: float 7s ease-in-out infinite 2s;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-20px) rotate(5deg);
  }
}

/* ============================================
   Feature Cards (Home)
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.feature-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  transition: height var(--transition-normal);
}

.feature-card:nth-child(1)::before {
  background: var(--color-red);
}

.feature-card:nth-child(2)::before {
  background: var(--color-green);
}

.feature-card:nth-child(3)::before {
  background: var(--color-blue);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-card:hover::before {
  height: 6px;
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: 1.6rem;
}

.feature-card:nth-child(1) .feature-icon {
  background: var(--color-red-light);
  color: var(--color-red);
}

.feature-card:nth-child(2) .feature-icon {
  background: var(--color-green-light);
  color: var(--color-green);
}

.feature-card:nth-child(3) .feature-icon {
  background: var(--color-blue-light);
  color: var(--color-blue);
}

.feature-card h3 {
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ============================================
   Service Cards (Services page)
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  position: relative;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-lg);
}

/* Cycle through 4 colors for service cards */
.service-card:nth-child(4n+1) .service-icon {
  background: var(--color-blue-light);
  color: var(--color-blue);
}

.service-card:nth-child(4n+2) .service-icon {
  background: var(--color-red-light);
  color: var(--color-red);
}

.service-card:nth-child(4n+3) .service-icon {
  background: var(--color-green-light);
  color: var(--color-green);
}

.service-card:nth-child(4n+4) .service-icon {
  background: var(--color-yellow-light);
  color: var(--color-yellow-dark);
}

.service-card:nth-child(4n+1):hover {
  box-shadow: 0 8px 30px rgba(45, 143, 213, 0.15);
}

.service-card:nth-child(4n+2):hover {
  box-shadow: 0 8px 30px rgba(232, 69, 60, 0.15);
}

.service-card:nth-child(4n+3):hover {
  box-shadow: 0 8px 30px rgba(39, 174, 96, 0.15);
}

.service-card:nth-child(4n+4):hover {
  box-shadow: 0 8px 30px rgba(242, 183, 5, 0.15);
}

.service-card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.1rem;
}

.service-card p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ============================================
   About Page
   ============================================ */
.about-section {
  padding: var(--space-4xl) 0;
}

.about-content {
  max-width: 820px;
  margin: 0 auto;
}

.about-content h2 {
  margin-bottom: var(--space-lg);
}

.about-content p {
  font-size: 1.05rem;
  margin-bottom: var(--space-lg);
}

.timeline-block {
  position: relative;
  padding-left: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.timeline-block::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--color-blue), var(--color-green));
  border-radius: 2px;
}

.timeline-block::after {
  content: '';
  position: absolute;
  left: -5px;
  top: 8px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--color-blue);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-blue);
}

.competency-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.competency-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  font-weight: 500;
}

.competency-item svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.why-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.why-item:hover {
  border-color: transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.why-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.why-item:nth-child(1) .why-icon {
  background: var(--color-blue-light);
  color: var(--color-blue);
}

.why-item:nth-child(2) .why-icon {
  background: var(--color-red-light);
  color: var(--color-red);
}

.why-item:nth-child(3) .why-icon {
  background: var(--color-green-light);
  color: var(--color-green);
}

.why-item:nth-child(4) .why-icon {
  background: var(--color-yellow-light);
  color: var(--color-yellow-dark);
}

.why-item:nth-child(5) .why-icon {
  background: var(--color-blue-light);
  color: var(--color-blue);
}

.why-item h4 {
  margin-bottom: 4px;
}

.why-item p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Counter / stats */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  padding: var(--space-2xl) 0;
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-blue);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-item:nth-child(2) .stat-number {
  color: var(--color-red);
}

.stat-item:nth-child(3) .stat-number {
  color: var(--color-green);
}

.stat-item:nth-child(4) .stat-number {
  color: var(--color-yellow-dark);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ============================================
   Contact Page
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-info {
  padding: var(--space-2xl);
  background: var(--gradient-hero);
  border-radius: var(--radius-xl);
  color: white;
  position: relative;
  overflow: hidden;
}

.contact-info::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.contact-info h3 {
  color: white;
  margin-bottom: var(--space-md);
  font-size: 1.4rem;
}

.contact-info p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  margin-bottom: var(--space-xl);
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-detail span {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
}

.contact-form-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.contact-form-card h3 {
  margin-bottom: var(--space-xl);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-group label .required {
  color: var(--color-red);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: all var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-blue);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(45, 143, 213, 0.12);
}

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

textarea.form-control {
  min-height: 130px;
  resize: vertical;
}

.form-control.error {
  border-color: var(--color-red);
  box-shadow: 0 0 0 3px rgba(232, 69, 60, 0.1);
}

.error-message {
  font-size: 0.8rem;
  color: var(--color-red);
  margin-top: 4px;
  display: none;
}

.form-control.error+.error-message {
  display: block;
}

.form-status {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
  margin-bottom: var(--space-lg);
}

.form-status.success {
  display: block;
  background: var(--color-green-light);
  color: var(--color-green-dark);
  border: 1px solid var(--color-green);
}

.form-status.error-status {
  display: block;
  background: var(--color-red-light);
  color: var(--color-red-dark);
  border: 1px solid var(--color-red);
}

/* Honeypot */
.form-hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
  pointer-events: none;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  background: var(--gradient-hero);
  padding: var(--space-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 550px;
  margin: 0 auto var(--space-xl);
  position: relative;
  z-index: 1;
}

.cta-section .btn {
  position: relative;
  z-index: 1;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: #0F1923;
  padding: var(--space-3xl) 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.footer-brand img {
  height: 36px;
  margin-bottom: var(--space-md);
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
  max-width: 280px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
  position: relative;
  padding-bottom: var(--space-sm);
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-blue);
  border-radius: 1px;
}

.footer-col a {
  display: block;
  padding: 5px 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.88rem;
  transition: all var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-white);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-lg) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0;
}

.footer-color-strip {
  display: flex;
  height: 3px;
}

.footer-color-strip span {
  flex: 1;
}

.footer-color-strip span:nth-child(1) {
  background: var(--color-red);
}

.footer-color-strip span:nth-child(2) {
  background: var(--color-yellow);
}

.footer-color-strip span:nth-child(3) {
  background: var(--color-green);
}

.footer-color-strip span:nth-child(4) {
  background: var(--color-blue);
}

/* ============================================
   Scroll Animations
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {

  .features-grid,
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --navbar-height: 64px;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--navbar-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    box-shadow: -4px 0 30px rgba(0, 0, 0, 0.12);
    transition: right var(--transition-normal);
    gap: var(--space-xs);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
  }

  .hero {
    min-height: 460px;
  }

  .hero-content {
    padding: var(--space-2xl) 0;
  }

  .features-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }

  .competency-list,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .stats-bar {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
}

/* ============================================
   Loading spinner for form
   ============================================ */
.btn-loading {
  pointer-events: none;
  opacity: 0.8;
}

.btn-loading::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: 8px;
}

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

/* Mobile overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
}

.nav-overlay.active {
  display: block;
}