:root {
  --gratama-primary: #0D9488;
  --gratama-primary-dark: #0F766E;
  --gratama-accent: #06B6D4;
  --gratama-accent-2: #8B5CF6;
  --gratama-cta: #0891B2;
  --gratama-dark: #0F172A;
  --gratama-dark-soft: #1E293B;
  --gratama-text: #334155;
  --gratama-text-light: #64748B;
  --gratama-bg: #F8FAFC;
  --gratama-white: #FFFFFF;
  --gratama-gradient-1: linear-gradient(135deg, #0D9488 0%, #06B6D4 100%);
  --gratama-gradient-2: linear-gradient(180deg, #F0FDFA 0%, #F8FAFC 100%);
  --gratama-gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F766E 100%);
  --gratama-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --gratama-shadow-hover: 0 20px 40px rgba(13, 148, 136, 0.15);
  --gratama-radius: 12px;
  --gratama-radius-sm: 8px;
  --gratama-font-heading: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --gratama-font-body: 'Inter', 'Open Sans', system-ui, sans-serif;
  --gratama-line-height: 1.6;
  --gratama-line-height-tight: 1.4;
  --gratama-transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--gratama-font-body);
  font-size: 16px;
  line-height: var(--gratama-line-height);
  color: var(--gratama-text);
  background-color: var(--gratama-bg);
  overflow-x: hidden;
}

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

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

a {
  color: var(--gratama-primary);
  text-decoration: none;
  transition: color var(--gratama-transition);
}

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

.gratama-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gratama-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background var(--gratama-transition), box-shadow var(--gratama-transition);
}

.gratama-header-scrolled {
  box-shadow: var(--gratama-shadow);
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

.gratama-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gratama-logo {
  width: 180px;
  height: 60px;
  background-image: url('../img/company-logo.svg');
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  flex-shrink: 0;
}

.gratama-logo-footer {
  background-image: url('../img/company-logo-light.svg');
  opacity: 0.95;
}

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

.gratama-nav-link {
  font-weight: 500;
  color: var(--gratama-text);
  padding: 8px 0;
  position: relative;
}

.gratama-nav-link:hover,
.gratama-nav-link.gratama-nav-active {
  color: var(--gratama-primary);
}

.gratama-nav-link.gratama-nav-active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gratama-primary);
  border-radius: 1px;
}

.gratama-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.gratama-nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--gratama-dark);
  transition: var(--gratama-transition);
}

.gratama-nav-toggle-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.gratama-nav-toggle-active span:nth-child(2) {
  opacity: 0;
}

.gratama-nav-toggle-active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .gratama-nav {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: var(--gratama-white);
    flex-direction: column;
    padding: 80px 24px 24px;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    transition: right var(--gratama-transition);
  }

  .gratama-nav-open {
    right: 0 !important;
  }

  .gratama-nav-toggle {
    display: flex;
  }
}

.gratama-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--gratama-radius-sm);
  border: none;
  cursor: pointer;
  transition: transform var(--gratama-transition), box-shadow var(--gratama-transition), background var(--gratama-transition);
}

.gratama-btn-primary {
  background: var(--gratama-gradient-1);
  color: var(--gratama-white);
}

.gratama-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--gratama-shadow-hover);
}

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

.gratama-btn-outline:hover {
  background: var(--gratama-primary);
  color: var(--gratama-white);
  transform: translateY(-2px);
}

.gratama-footer {
  background: var(--gratama-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 48px 0 24px;
}

.gratama-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gratama-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.gratama-footer-brand p {
  margin-top: 12px;
  font-size: 0.9375rem;
  opacity: 0.8;
  max-width: 280px;
}

.gratama-footer h4 {
  color: var(--gratama-white);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.gratama-footer-links {
  list-style: none;
}

.gratama-footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
  display: block;
  padding: 4px 0;
}

.gratama-footer-links a:hover {
  color: var(--gratama-white);
}

.gratama-footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.875rem;
  opacity: 0.7;
}

@media (max-width: 768px) {
  .gratama-footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.gratama-cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  padding: 20px 24px;
  background: var(--gratama-dark);
  color: var(--gratama-white);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
  transform: translateY(100%);
  transition: transform var(--gratama-transition);
}

.gratama-cookie-banner-visible {
  transform: translateY(0);
}

.gratama-cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.gratama-cookie-text {
  flex: 1;
  min-width: 260px;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.gratama-cookie-text a {
  color: var(--gratama-accent);
  text-decoration: underline;
}

.gratama-cookie-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.gratama-cookie-decline {
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 10px 20px;
  border-radius: var(--gratama-radius-sm);
  cursor: pointer;
  font-size: 0.9375rem;
  transition: background var(--gratama-transition), color var(--gratama-transition);
}

.gratama-cookie-decline:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--gratama-white);
}

.gratama-cookie-accept {
  padding: 10px 20px;
  background: var(--gratama-primary);
  color: var(--gratama-white);
  border: none;
  border-radius: var(--gratama-radius-sm);
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 600;
  transition: background var(--gratama-transition), transform var(--gratama-transition);
}

.gratama-cookie-accept:hover {
  background: var(--gratama-primary-dark);
  transform: translateY(-1px);
}

.gratama-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.gratama-reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

.gratama-parallax {
  will-change: transform;
}