/* Grass Komputer - Professional IT Services Website */
/* Design: Modern Minimalist Professional */

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

:root {
  --primary: #1e40af;
  --primary-dark: #1e3a8a;
  --secondary: #0891b2;
  --secondary-dark: #0e7490;
  --success: #16a34a;
  --danger: #ef4444;
  --warning: #f59e0b;
  --text-dark: #0f172a;
  --text-light: #64748b;
  --bg-light: #f1f5f9;
  --bg-white: #ffffff;
  --border-color: #e2e8f0;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-dark);
  background-color: var(--bg-white);
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-light);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }
}

/* Navigation */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary);
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  background-color: var(--primary);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.875rem;
  font-weight: 700;
}

.nav-menu {
  display: none;
  gap: 2rem;
  align-items: center;
  list-style: none;
}

.nav-menu.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--bg-white);
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  gap: 0.5rem;
}

@media (min-width: 768px) {
  .nav-menu {
    display: flex;
    flex-direction: row;
  }

  .nav-menu.active {
    position: static;
    border-top: none;
    padding: 0;
  }
}

.nav-menu a {
  color: var(--text-light);
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-menu a:hover {
  color: var(--primary);
}

.menu-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--text-light);
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
}

.btn-success {
  background-color: var(--success);
  color: white;
}

.btn-success:hover {
  background-color: #15803d;
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: white;
}

.btn-white {
  background-color: white;
  color: var(--primary);
}

.btn-white:hover {
  background-color: var(--bg-light);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Sections */
section {
  padding: 5rem 0;
}

@media (max-width: 768px) {
  section {
    padding: 3rem 0;
  }
}

.section-hero {
  background: linear-gradient(135deg, #f0f9ff 0%, #f1f5f9 100%);
}

.section-dark {
  background-color: #1e293b;
  color: white;
}

.section-dark h2,
.section-dark h3 {
  color: white;
}

.section-dark p {
  color: #cbd5e1;
}

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

.section-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
}

.section-gradient h2,
.section-gradient h3 {
  color: white;
}

.section-gradient p {
  color: #e0f2fe;
}

/* Grid */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

@media (min-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Cards */
.card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 2rem;
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--secondary);
  transform: translateY(-4px);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

.card-text {
  color: var(--text-light);
  margin-bottom: 1rem;
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

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

.hero-content h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .hero-content h1 {
    font-size: 3rem;
  }
}

.hero-content p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
  }
}

.hero-image {
  display: none;
  background: linear-gradient(135deg, #3b82f6 0%, #0891b2 100%);
  border-radius: 1rem;
  height: 24rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .hero-image {
    display: flex;
  }
}

/* Text Utilities */
.text-center {
  text-align: center;
}

.text-white {
  color: white;
}

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

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

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }
.mb-8 { margin-bottom: 4rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.py-1 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2 { padding-top: 1rem; padding-bottom: 1rem; }
.py-4 { padding-top: 2rem; padding-bottom: 2rem; }

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

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

.items-start {
  align-items: flex-start;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

/* Footer */
footer {
  background-color: #1e293b;
  color: white;
  padding: 3rem 0 1rem;
}

footer h3 {
  color: white;
  margin-bottom: 1rem;
}

footer a {
  color: #cbd5e1;
  transition: color 0.3s ease;
}

footer a:hover {
  color: white;
}

footer ul {
  list-style: none;
}

footer ul li {
  margin-bottom: 0.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-divider {
  border-top: 1px solid #334155;
  padding-top: 2rem;
  margin-top: 2rem;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
}

.footer-links {
  display: flex;
  gap: 2rem;
  justify-content: center;
}

@media (min-width: 768px) {
  .footer-links {
    justify-content: flex-end;
  }
}

/* Lists */
.list-check {
  list-style: none;
}

.list-check li {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  align-items: flex-start;
}

.list-check li:before {
  content: "✓";
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}

.list-number {
  list-style: none;
  counter-reset: item;
}

.list-number li {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}

.list-number li:before {
  content: counter(item);
  counter-increment: item;
  background-color: var(--primary);
  color: white;
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

/* Responsive */
@media (max-width: 640px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .container {
    padding: 0 1rem;
  }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Utility Classes */
.hidden {
  display: none;
}

.max-w-4xl {
  max-width: 56rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.rounded {
  border-radius: 0.5rem;
}

.rounded-lg {
  border-radius: 0.75rem;
}

.shadow {
  box-shadow: var(--shadow);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

.border {
  border: 1px solid var(--border-color);
}

.border-2 {
  border: 2px solid var(--border-color);
}

.border-top {
  border-top: 1px solid var(--border-color);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-size: 0.875rem;
  color: var(--text-light);
}

.breadcrumb a {
  color: var(--primary);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

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