/* ============================================================
   DATA CIPTA NERACA — Design System
   Golden Ratio Color Harmony | Premium Corporate Aesthetic
   ============================================================ */

/* ---------- CSS Custom Properties (Design Tokens) ---------- */
:root {
  /* === PRIMARY PALETTE — Golden Ratio Harmony === */
  --primary:            #0F2A4A;
  --primary-light:      #1A3D6B;
  --primary-dark:       #081C33;
  --primary-rgb:        15, 42, 74;

  --secondary:          #B8860B;
  --secondary-light:    #D4A853;
  --secondary-dark:     #8B6914;
  --secondary-rgb:      184, 134, 11;

  /* === NEUTRAL PALETTE === */
  --background:         #FAFBFC;
  --surface:            #FFFFFF;
  --surface-dim:        #F3F5F7;
  --surface-card:       #FFFFFF;

  --text-primary:       #1A1D23;
  --text-secondary:     #5A6170;
  --text-tertiary:      #8A90A0;
  --text-on-primary:    #FFFFFF;
  --text-on-secondary:  #FFFFFF;

  --border:             #E8ECF0;
  --border-light:       #F0F2F5;
  --border-hover:       #D0D5DD;

  /* === ACCENT / SEMANTIC === */
  --success:            #16A34A;
  --error:              #DC2626;
  --warning:            #F59E0B;
  --info:               #3B82F6;

  /* === SHADOWS — Layered depth === */
  --shadow-xs:          0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm:          0 2px 4px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:          0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg:          0 8px 24px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.06);
  --shadow-xl:          0 16px 48px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.06);
  --shadow-gold:        0 8px 24px rgba(184,134,11,0.20);
  --shadow-primary:     0 8px 24px rgba(15,42,74,0.20);

  /* === GOLDEN RATIO SPACING (Fibonacci-based) === */
  --space-xs:    5px;
  --space-sm:    8px;
  --space-md:    13px;
  --space-base:  16px;
  --space-lg:    21px;
  --space-xl:    34px;
  --space-2xl:   55px;
  --space-3xl:   89px;
  --space-4xl:   144px;

  /* === TYPOGRAPHY — Harmonic Scale === */
  --font-family:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs:       12px;
  --font-size-sm:       14px;
  --font-size-base:     16px;
  --font-size-lg:       18px;
  --font-size-xl:       21px;
  --font-size-2xl:      24px;
  --font-size-3xl:      32px;
  --font-size-4xl:      40px;
  --font-size-5xl:      48px;
  --font-size-6xl:      56px;

  /* === LAYOUT === */
  --container-max:      1280px;
  --margin-desktop:     64px;
  --margin-mobile:      20px;
  --navbar-height:      80px;
  --golden-ratio:       1.618;

  /* === TRANSITIONS === */
  --transition-fast:    150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:    300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:    500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring:  500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* === BORDERS === */
  --radius-sm:          4px;
  --radius-md:          8px;
  --radius-lg:          12px;
  --radius-xl:          16px;
  --radius-2xl:         24px;
  --radius-full:        9999px;
}

/* ---------- GLOBAL RESET & BASE ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height); /* Offset sticky navbar when scrolling to anchors */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

section[id] {
  scroll-margin-top: var(--navbar-height); /* Backup scroll offset for older browsers */
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.618; /* golden ratio */
  color: var(--text-primary);
  background-color: var(--background);
  overflow-x: hidden;
  min-height: 100dvh;
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ---------- UTILITY CLASSES ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--margin-mobile);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--margin-desktop);
  }
}

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

@media (min-width: 768px) {
  .section-padding {
    padding: 80px 0;
  }
}

/* ---------- TYPOGRAPHY ---------- */
.section-label {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-md);
  display: inline-block;
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-base);
}

@media (min-width: 768px) {
  .section-title {
    font-size: var(--font-size-5xl);
  }
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 640px;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--primary);
  color: var(--text-on-primary);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background: var(--primary-light);
  box-shadow: 0 12px 32px rgba(15,42,74,0.30);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--text-on-secondary);
  box-shadow: var(--shadow-gold);
}

.btn-secondary:hover {
  background: var(--secondary-light);
  box-shadow: 0 12px 32px rgba(184,134,11,0.30);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-on-primary);
  border: 1.5px solid rgba(255,255,255,0.35);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.6);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--primary);
  background: rgba(15,42,74,0.04);
}

.btn-whatsapp {
  background: #25D366;
  color: white;
  box-shadow: 0 8px 24px rgba(37,211,102,0.25);
}

.btn-whatsapp:hover {
  background: #20BD5A;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(37,211,102,0.35);
}

/* ---------- CARDS ---------- */
.card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: linear-gradient(180deg, var(--secondary), var(--secondary-light));
  transition: width var(--transition-base);
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
}

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

.card:hover::before {
  width: 4px;
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, rgba(15,42,74,0.06), rgba(15,42,74,0.02));
  color: var(--primary);
  transition: all var(--transition-base);
}

.card:hover .card-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  transform: scale(1.05);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.card-text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- GLASSMORPHISM ---------- */
.glass {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
  background: rgba(15, 42, 74, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ---------- NAVBAR ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--navbar-height);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: transparent;
}

.navbar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--margin-mobile);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

@media (min-width: 768px) {
  .navbar-inner {
    padding: 0 var(--margin-desktop);
  }
}

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

.nav-brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 22px;
}

.nav-brand-text {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

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

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: var(--space-xs) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary);
  transition: width var(--transition-base);
  border-radius: var(--radius-full);
}

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

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

.nav-cta {
  padding: var(--space-sm) var(--space-lg);
  background: var(--primary);
  color: white !important;
  font-weight: 600;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-primary);
  transition: all var(--transition-base);
}

.nav-cta:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(15,42,74,0.25);
}

.nav-cta::after {
  display: none;
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--primary);
  font-size: 28px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

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

.nav-toggle:hover {
  background: var(--surface-dim);
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100dvh;
  background: var(--surface);
  z-index: 200;
  padding: var(--space-xl);
  transition: right var(--transition-slow);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 199;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-menu-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.mobile-menu-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 24px;
  transition: all var(--transition-fast);
}

.mobile-menu-close:hover {
  background: var(--surface-dim);
  color: var(--primary);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-base);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  margin-bottom: var(--space-xs);
}

.mobile-nav-link:hover {
  background: var(--surface-dim);
  color: var(--primary);
}

.mobile-nav-link .material-symbols-outlined {
  font-size: 22px;
  color: var(--secondary);
}

/* ---------- HERO SECTION ---------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(255,255,255,0.2) 1px, transparent 1px),
    radial-gradient(circle at 75% 75%, rgba(255,255,255,0.15) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-gradient-overlay {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 30% 50%, rgba(184,134,11,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(26,61,107,0.3) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-3xl) var(--margin-mobile);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  width: 100%;
  position: relative;
  z-index: 2;
}

@media (min-width: 768px) {
  .hero-inner {
    padding: var(--space-3xl) var(--margin-desktop);
  }
}

@media (min-width: 1024px) {
  .hero-inner {
    grid-template-columns: 61.8% 38.2%; /* golden ratio */
    gap: var(--space-2xl);
    align-items: center;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(184,134,11,0.15);
  border: 1px solid rgba(184,134,11,0.35);
  border-radius: var(--radius-full);
  color: var(--secondary-light);
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: var(--radius-full);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: white;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: var(--font-size-6xl);
  }
}

.hero-title .text-gold {
  color: var(--secondary-light);
  position: relative;
}

.hero-desc {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  max-width: 540px;
  margin-bottom: var(--space-xl);
}

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

/* Hero Stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.hero-stat {
  padding: var(--space-base);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  transition: all var(--transition-base);
}

.hero-stat:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(184,134,11,0.3);
  transform: translateY(-2px);
}

.hero-stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--secondary-light);
  display: block;
}

@media (min-width: 768px) {
  .hero-stat-number {
    font-size: var(--font-size-3xl);
  }
}

.hero-stat-label {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.6);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--space-xs);
  display: block;
}

/* Hero Image */
.hero-image-wrapper {
  display: none;
  position: relative;
}

@media (min-width: 1024px) {
  .hero-image-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

.hero-image-frame {
  position: relative;
  width: 100%;
  max-width: 420px;
}

.hero-image-frame::before {
  content: '';
  position: absolute;
  inset: -12px;
  border: 2px solid rgba(184,134,11,0.25);
  border-radius: var(--radius-2xl);
  transform: translate(12px, 12px);
}

.hero-image-frame::after {
  content: '';
  position: absolute;
  inset: -12px;
  border: 2px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-2xl);
  transform: translate(-12px, -12px);
}

.hero-image {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 1;
}

.hero-floating-card {
  position: absolute;
  bottom: -24px;
  left: -32px;
  z-index: 5;
  padding: var(--space-base) var(--space-lg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-floating-card .material-symbols-outlined {
  color: var(--secondary);
  font-size: 28px;
}

/* ---------- FOUNDER SECTION ---------- */
.founder {
  background: var(--surface);
  position: relative;
  z-index: 10;
}

@media (min-width: 768px) {
  .founder {
    padding-bottom: 100px;
  }
}

.founder .container {
  position: relative;
  z-index: 11;
}

.founder-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (min-width: 1024px) {
  .founder-grid {
    grid-template-columns: 38.2% 61.8%; /* inverse golden ratio */
    gap: var(--space-2xl);
  }
}

.founder-image-wrapper {
  position: relative;
}

.founder-image {
  width: 100%;
  max-width: 360px;
  height: auto;
  aspect-ratio: 1/1; /* Mengubah rasio menjadi kotak eksekutif untuk memperpendek tinggi grid */
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  filter: grayscale(10%);
  transition: filter var(--transition-slow);
}

.founder-image-wrapper:hover .founder-image {
  filter: grayscale(0%);
}

.founder-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-gold);
  z-index: 2;
}

.founder-badge .material-symbols-outlined {
  color: white;
  font-size: 36px;
  font-variation-settings: 'FILL' 1;
}

.founder-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary), var(--secondary-light));
  border-radius: var(--radius-full);
  margin: var(--space-lg) 0;
}

.founder-name {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: var(--space-xs);
}

@media (min-width: 768px) {
  .founder-name {
    font-size: var(--font-size-3xl);
  }
}

.founder-desc {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.founder-credentials {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .founder-credentials {
    grid-template-columns: 1fr 1fr;
  }
}

.credential-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-base) var(--space-lg);
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.credential-item:hover {
  border-color: rgba(184,134,11,0.4);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.credential-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, rgba(15,42,74,0.08), rgba(15,42,74,0.03));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 22px;
  flex-shrink: 0;
}

.credential-text {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
}

/* ---------- SERVICES SECTION ---------- */
.services {
  background: var(--background);
  position: relative;
  z-index: 5;
}

@media (min-width: 768px) {
  .services {
    padding-top: 100px;
  }
}

.services-bg-shape {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background: var(--surface);
  border-radius: 0 0 48px 48px;
  box-shadow: var(--shadow-xs);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  position: relative;
  z-index: 1;
}

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

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- PORTFOLIO / TRACK RECORD SECTION ---------- */
.portfolio {
  background: var(--surface);
  position: relative;
  overflow: hidden;
}

.portfolio::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(184,134,11,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  text-align: center;
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(15,42,74,0.03), rgba(15,42,74,0.01));
  border: 1px solid var(--border);
  transition: all var(--transition-base);
}

.stat-card:hover {
  border-color: rgba(184,134,11,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-number .stat-suffix {
  color: var(--secondary);
}

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

/* Portfolio Items Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

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

@media (min-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.portfolio-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
}

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

.portfolio-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-base);
}

.portfolio-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.portfolio-card-icon.jasa {
  background: rgba(59,130,246,0.1);
  color: #3B82F6;
}

.portfolio-card-icon.dagang {
  background: rgba(16,163,74,0.1);
  color: #10A34A;
}

.portfolio-card-icon.manufaktur {
  background: rgba(168,85,247,0.1);
  color: #A855F7;
}

.portfolio-card-icon.pemerintah {
  background: rgba(239,68,68,0.1);
  color: #EF4444;
}

.portfolio-tag {
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.portfolio-tag.jasa {
  background: rgba(59,130,246,0.1);
  color: #3B82F6;
}

.portfolio-tag.dagang {
  background: rgba(16,163,74,0.1);
  color: #10A34A;
}

.portfolio-tag.manufaktur {
  background: rgba(168,85,247,0.1);
  color: #A855F7;
}

.portfolio-tag.pemerintah {
  background: rgba(239,68,68,0.1);
  color: #EF4444;
}

.portfolio-card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.portfolio-card-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-base);
}

.portfolio-card-footer {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-light);
}

.portfolio-card-footer .material-symbols-outlined {
  font-size: 16px;
  color: var(--secondary);
}

/* ---------- PARTNERS SECTION ---------- */
.partners {
  background: var(--background);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

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

@media (min-width: 768px) {
  .partners-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.partner-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  cursor: default;
}

.partner-item:hover {
  background: var(--surface);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.partner-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  transition: all var(--transition-base);
  color: var(--primary);
  font-size: 32px;
}

.partner-item:hover .partner-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-primary);
}

.partner-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--primary);
}

/* ---------- CONTACT SECTION ---------- */
.contact {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
  color: white;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.3) 1px, transparent 1px),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.2) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
  }
}

.contact-info-card {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(8px);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-base);
}

.contact-info-item + .contact-info-item {
  margin-top: var(--space-xl);
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-icon .material-symbols-outlined {
  color: white;
  font-size: 22px;
}

.contact-info-label {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: 2px;
}

.contact-info-text {
  font-size: var(--font-size-base);
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
}

/* WhatsApp CTA Card */
.wa-card {
  background: var(--surface);
  color: var(--text-primary);
  padding: var(--space-2xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.wa-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(184,134,11,0.08) 0%, transparent 70%);
  border-radius: 0 0 0 100%;
}

.wa-icon-wrapper {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: rgba(37,211,102,0.1);
  color: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
}

.wa-card-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.wa-card-desc {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.wa-card-note {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-top: var(--space-base);
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding: var(--space-3xl) 0;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
  }
}

.footer-brand-desc {
  font-size: var(--font-size-sm);
  line-height: 1.7;
  opacity: 0.7;
  margin: var(--space-base) 0;
}

.footer-badges {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.footer-badge {
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.6);
}

.footer-heading {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

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

.footer-link .material-symbols-outlined {
  font-size: 14px;
  color: var(--secondary);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-base);
  font-size: var(--font-size-sm);
}

.footer-contact-item .material-symbols-outlined {
  font-size: 18px;
  color: var(--secondary);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-item a {
  transition: color var(--transition-fast);
}

.footer-contact-item a:hover {
  color: white;
}

.footer-bottom {
  padding: var(--space-lg) 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
  text-align: center;
}

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

.footer-bottom p {
  font-size: var(--font-size-xs);
  opacity: 0.5;
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 90;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-base);
  pointer-events: none;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.back-to-top:hover {
  background: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

/* ---------- ANIMATIONS ---------- */
.fade-up {
  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);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s cubic-bezier(0.4,0,0.2,1), transform 0.8s cubic-bezier(0.4,0,0.2,1);
}

.fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s cubic-bezier(0.4,0,0.2,1), transform 0.8s cubic-bezier(0.4,0,0.2,1);
}

.fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s cubic-bezier(0.4,0,0.2,1), transform 0.6s cubic-bezier(0.4,0,0.2,1);
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered delay */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }
.delay-600 { transition-delay: 600ms; }

/* ---------- ADMIN / CMS STYLES ---------- */
.admin-login {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: var(--space-lg);
}

.admin-login-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-xl);
}

.admin-sidebar {
  width: 260px;
  min-height: 100dvh;
  background: var(--primary-dark);
  color: white;
  padding: var(--space-lg);
  position: fixed;
  left: 0;
  top: 0;
}

.admin-main {
  margin-left: 260px;
  padding: var(--space-xl);
  min-height: 100dvh;
  background: var(--background);
}

.admin-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
}

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

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

.form-input {
  width: 100%;
  padding: var(--space-md) var(--space-base);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: var(--surface);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15,42,74,0.1);
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' fill='%235A6170' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

/* Alert messages */
.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.alert-error {
  background: rgba(220,38,38,0.08);
  color: var(--error);
  border: 1px solid rgba(220,38,38,0.2);
}

.alert-success {
  background: rgba(22,163,74,0.08);
  color: var(--success);
  border: 1px solid rgba(22,163,74,0.2);
}

/* ---------- RESPONSIVE UTILITIES ---------- */
@media (max-width: 767px) {
  .hide-mobile { display: none !important; }
}

@media (min-width: 768px) {
  .hide-desktop { display: none !important; }
}

/* ---------- SELECTION STYLE ---------- */
::selection {
  background: rgba(184,134,11,0.2);
  color: var(--primary);
}

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}