/* ============================================
   GarudaBahari Software — Maritime Nautical Theme
   Color: Ocean Blue #0B3D91 + Electric Blue #5BC0EB
   ============================================ */

/* ===== CSS VARIABLES ===== */
:root {
  --ocean-blue: #0B3D91;
  --ocean-deep: #082B6B;
  --ocean-darker: #051D4A;
  --electric-blue: #5BC0EB;
  --electric-soft: #8FD4F0;
  --sea-foam: #E8F4FB;

  --white: #FFFFFF;
  --gray-50: #F5F7FA;
  --gray-100: #E2E8F0;
  --gray-200: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-600: #475569;
  --gray-800: #1E293B;
  --gray-900: #0F172A;

  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;

  --shadow-sm: 0 1px 2px rgba(11, 61, 145, 0.05);
  --shadow-md: 0 4px 12px rgba(11, 61, 145, 0.08);
  --shadow-lg: 0 12px 32px rgba(11, 61, 145, 0.12);
  --shadow-xl: 0 24px 48px rgba(11, 61, 145, 0.18);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --max-width: 1200px;
  --header-height: 72px;

  --font-display: 'Plus Jakarta Sans', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ocean-darker);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p {
  color: var(--gray-600);
}

a {
  color: var(--ocean-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

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

ul {
  list-style: none;
}

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: var(--white);
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.45);
}

.btn-secondary {
  background: var(--white);
  color: var(--ocean-blue);
  border: 2px solid var(--ocean-blue);
}

.btn-secondary:hover {
  background: var(--ocean-blue);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-large {
  padding: 18px 36px;
  font-size: 1.05rem;
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
  z-index: 1000;
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 100%;
  padding-right: 8px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ocean-blue);
  flex-shrink: 0;
}

.brand-icon {
  width: 38px;
  height: 38px;
  color: var(--ocean-blue);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  font-family: var(--font-display);
}

.brand-text strong {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ocean-darker);
  letter-spacing: -0.02em;
  display: block;
}

.brand-text em {
  font-size: 0.65rem;
  font-style: normal;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-top: 3px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.main-nav ul {
  display: flex;
  gap: 24px;
}

.main-nav a {
  color: var(--gray-800);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ocean-blue), var(--electric-blue));
  transition: width 0.3s ease;
}

.main-nav a:hover {
  color: var(--ocean-blue);
}

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

.btn-wa-nav {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: var(--white);
  padding: 9px 14px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-wa-nav svg {
  width: 16px;
  height: 16px;
}

.btn-wa-nav:hover {
  transform: translateY(-1px);
  color: var(--white);
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ocean-darker);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--header-height) + 60px) 0 100px;
  background: linear-gradient(135deg, var(--ocean-blue) 0%, var(--ocean-deep) 50%, var(--ocean-darker) 100%);
  color: var(--white);
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(91, 192, 235, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(91, 192, 235, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-compass {
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  opacity: 0.6;
  animation: spin-slow 60s linear infinite;
  pointer-events: none;
}

@keyframes spin-slow {
  to { transform: translateY(-50%) rotate(360deg); }
}

.hero-container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 720px;
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(91, 192, 235, 0.15);
  color: var(--electric-soft);
  border: 1px solid rgba(91, 192, 235, 0.3);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-title {
  color: var(--white);
  margin-bottom: 24px;
}

.hero-title .accent {
  background: linear-gradient(135deg, var(--electric-blue) 0%, var(--electric-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 56px;
}

.hero .btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}

.hero .btn-secondary:hover {
  background: var(--white);
  color: var(--ocean-blue);
  border-color: var(--white);
}

.hero-trust {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  flex-direction: column;
}

.trust-item strong {
  font-size: 2rem;
  font-weight: 800;
  color: var(--electric-blue);
  font-family: var(--font-display);
  line-height: 1;
}

.trust-item span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 6px;
}

.wave-divider {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 80px;
  line-height: 0;
}

.wave-divider svg {
  width: 100%;
  height: 100%;
}

/* ===== SECTION COMMON ===== */
section {
  padding: 100px 0;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.section-head .eyebrow {
  display: inline-block;
  color: var(--ocean-blue);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.section-head h2 {
  margin-bottom: 16px;
}

.section-head p {
  font-size: 1.05rem;
  line-height: 1.7;
}

.eyebrow {
  color: var(--ocean-blue);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  display: inline-block;
}

/* ===== PROBLEM SECTION ===== */
.problem {
  background: var(--gray-50);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.problem-card {
  background: var(--white);
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  transition: all 0.3s ease;
}

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

.problem-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: inline-block;
}

.problem-card h3 {
  margin-bottom: 12px;
  font-size: 1.15rem;
}

.problem-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== SOLUTIONS SECTION ===== */
.solutions {
  background: var(--white);
  position: relative;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.solution-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--electric-blue);
}

.solution-featured {
  border: 2px solid var(--electric-blue);
  background: linear-gradient(180deg, var(--white) 0%, var(--sea-foam) 100%);
  position: relative;
}

.featured-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: linear-gradient(135deg, var(--electric-blue) 0%, var(--ocean-blue) 100%);
  color: var(--white);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(91, 192, 235, 0.4);
}

.solution-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 12px;
}

.solution-icon {
  width: 48px;
  height: 48px;
  color: var(--ocean-blue);
  padding: 10px;
  background: var(--sea-foam);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.solution-featured .solution-icon {
  color: var(--white);
  background: linear-gradient(135deg, var(--ocean-blue) 0%, var(--electric-blue) 100%);
}

.solution-price {
  font-size: 0.85rem;
  color: var(--ocean-blue);
  font-weight: 700;
  text-align: right;
  background: var(--sea-foam);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  line-height: 1.3;
}

.solution-card h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.solution-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
  flex: 1;
}

.solution-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--ocean-blue);
  font-weight: 600;
  font-size: 0.95rem;
  transition: gap 0.2s ease;
  align-self: flex-start;
}

.solution-cta:hover {
  gap: 10px;
  color: var(--electric-blue);
}

/* ===== SERVICES SECTION ===== */
.services {
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.service-item {
  background: var(--white);
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--ocean-blue) 0%, var(--electric-blue) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-item:hover::before {
  transform: scaleX(1);
}

.service-num {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--electric-blue);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.service-item h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.service-item p {
  font-size: 0.9rem;
}

.service-highlight {
  border-color: var(--electric-blue);
  background: linear-gradient(180deg, var(--sea-foam) 0%, var(--white) 100%);
}

.service-highlight::before {
  transform: scaleX(1);
}

/* ===== INDUSTRIES SECTION ===== */
.industries {
  background: var(--white);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.industry-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}

.industry-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: var(--electric-blue);
}

.industry-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  display: inline-block;
  transition: transform 0.3s ease;
}

.industry-card:hover .industry-icon {
  transform: scale(1.15);
}

.industry-card h3 {
  margin-bottom: 12px;
  font-size: 1.15rem;
}

.industry-card p {
  font-size: 0.9rem;
}

.industry-featured {
  background: linear-gradient(135deg, var(--ocean-blue) 0%, var(--ocean-deep) 100%);
  color: var(--white);
  border-color: var(--ocean-blue);
}

.industry-featured h3 {
  color: var(--white);
}

.industry-featured p {
  color: rgba(255, 255, 255, 0.85);
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio {
  background: var(--gray-50);
  position: relative;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.portfolio-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  transition: all 0.3s ease;
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.portfolio-mockup {
  background: linear-gradient(135deg, var(--ocean-blue) 0%, var(--ocean-deep) 100%);
  padding: 32px 24px;
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.portfolio-mockup::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(91, 192, 235, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

/* Mockup window (browser-style) */
.mockup-window {
  background: var(--white);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 320px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.mockup-titlebar {
  background: var(--gray-50);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 4px;
  border-bottom: 1px solid var(--gray-100);
}

.mockup-titlebar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-200);
}

.mockup-titlebar span:nth-child(1) { background: #FF5F57; }
.mockup-titlebar span:nth-child(2) { background: #FEBC2E; }
.mockup-titlebar span:nth-child(3) { background: #28C840; }

.mockup-titlebar em {
  margin-left: 12px;
  font-size: 0.7rem;
  font-style: normal;
  color: var(--gray-600);
  font-weight: 500;
}

.mockup-body {
  padding: 12px;
}

/* Mockup: School Payment */
.mockup-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 10px;
}

.mockup-stat {
  background: var(--sea-foam);
  padding: 8px 6px;
  border-radius: var(--radius-sm);
  text-align: center;
  border-left: 3px solid var(--ocean-blue);
}

.mockup-stat strong {
  display: block;
  font-size: 0.95rem;
  color: var(--ocean-darker);
  font-weight: 700;
  line-height: 1;
}

.mockup-stat small {
  display: block;
  font-size: 0.55rem;
  color: var(--gray-600);
  margin-top: 4px;
  line-height: 1.2;
}

.mockup-stat-warn {
  background: #FEF3C7;
  border-left-color: var(--warning);
}

.mockup-stat-warn strong { color: #92400E; }

.mockup-stat-ok {
  background: #D1FAE5;
  border-left-color: var(--success);
}

.mockup-stat-ok strong { color: #065F46; }

.mockup-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 60px;
  padding: 6px;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
}

.mockup-bars div {
  flex: 1;
  background: linear-gradient(180deg, var(--electric-blue) 0%, var(--ocean-blue) 100%);
  border-radius: 2px;
  min-height: 6px;
}

/* Mockup: LMS */
.mockup-course {
  display: flex;
  gap: 8px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: var(--gray-50);
  margin-bottom: 6px;
}

.mockup-course:last-child { margin-bottom: 0; }

.mockup-course-img {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--ocean-blue), var(--electric-blue));
  flex-shrink: 0;
}

.mockup-course-img-2 {
  background: linear-gradient(135deg, #8B5CF6, #EC4899);
}

.mockup-course-info {
  flex: 1;
  min-width: 0;
}

.mockup-course-info strong {
  display: block;
  font-size: 0.7rem;
  color: var(--gray-800);
  margin-bottom: 4px;
  line-height: 1.2;
}

.mockup-progress {
  height: 4px;
  background: var(--gray-100);
  border-radius: 2px;
  margin-bottom: 4px;
  overflow: hidden;
}

.mockup-progress div {
  height: 100%;
  background: linear-gradient(90deg, var(--ocean-blue), var(--electric-blue));
  border-radius: 2px;
}

.mockup-course-info small {
  font-size: 0.55rem;
  color: var(--gray-600);
}

/* Mockup: WhatsApp Phone */
.mockup-phone {
  width: 100%;
  max-width: 220px;
  background: #ECE5DD;
  border-radius: var(--radius-md);
  padding: 12px 10px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  position: relative;
  z-index: 1;
}

.mockup-chat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mockup-msg {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.65rem;
  line-height: 1.4;
  max-width: 85%;
  word-wrap: break-word;
}

.mockup-msg-in {
  background: var(--white);
  align-self: flex-start;
  border-bottom-left-radius: 2px;
}

.mockup-msg-out {
  background: #DCF8C6;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

/* Mockup: IoT */
.mockup-sensor {
  display: inline-block;
  width: calc(50% - 4px);
  text-align: center;
  padding: 8px;
}

.mockup-sensor:first-child { margin-right: 4px; }

.sensor-gauge {
  position: relative;
  height: 60px;
}

.sensor-gauge svg {
  width: 100%;
  height: 100%;
}

.sensor-gauge strong {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.9rem;
  color: var(--ocean-darker);
  font-weight: 700;
}

.mockup-sensor small {
  display: block;
  font-size: 0.6rem;
  color: var(--gray-600);
  margin-top: 4px;
}

/* Mockup: Compliance */
.mockup-checklist {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mockup-check {
  padding: 6px 8px;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  font-size: 0.65rem;
  color: var(--gray-600);
  border-left: 2px solid var(--gray-200);
}

.mockup-check-done {
  background: #D1FAE5;
  color: #065F46;
  border-left-color: var(--success);
  font-weight: 500;
}

.mockup-check-pending {
  background: #FEF3C7;
  color: #92400E;
  border-left-color: var(--warning);
  font-weight: 500;
}

/* Portfolio content */
.portfolio-content {
  padding: 24px;
}

.portfolio-tag {
  display: inline-block;
  background: var(--sea-foam);
  color: var(--ocean-blue);
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.portfolio-content h3 {
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.portfolio-content p {
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ===== PROCESS SECTION ===== */
.process {
  background: var(--white);
}

.process-flow {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.process-step {
  flex: 1;
  min-width: 220px;
  max-width: 260px;
  background: var(--white);
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}

.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--electric-blue);
}

.step-num {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--ocean-blue) 0%, var(--electric-blue) 100%);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  margin: 0 auto 16px;
  font-family: var(--font-display);
}

.process-step h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.process-step p {
  font-size: 0.9rem;
}

.process-arrow {
  display: flex;
  align-items: center;
  color: var(--electric-blue);
  font-size: 1.5rem;
  font-weight: 700;
}

/* ===== WHY CHOOSE US ===== */
.why {
  background: var(--gray-50);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: center;
}

.why-content h2 {
  margin-bottom: 20px;
}

.why-content p {
  font-size: 1.05rem;
  line-height: 1.7;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.why-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-100);
  transition: all 0.3s ease;
}

.why-list li:hover {
  transform: translateX(8px);
  border-color: var(--electric-blue);
  box-shadow: var(--shadow-md);
}

.why-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--ocean-blue) 0%, var(--electric-blue) 100%);
  color: var(--white);
  border-radius: 50%;
  font-weight: 800;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.why-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ocean-darker);
  font-size: 1rem;
  font-weight: 700;
}

.why-list p {
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.5;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--ocean-blue) 0%, var(--ocean-deep) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-waves {
  position: absolute;
  inset: 0;
  line-height: 0;
  pointer-events: none;
}

.cta-waves svg {
  width: 100%;
  height: 100%;
}

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

.cta-banner h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.cta-banner > .container > p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== CONTACT SECTION ===== */
.contact {
  background: var(--white);
}

.contact-card {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  background: linear-gradient(135deg, var(--sea-foam) 0%, var(--white) 100%);
  padding: 56px 40px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-lg);
}

.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--ocean-blue) 0%, var(--electric-blue) 100%);
  color: var(--white);
  border-radius: 50%;
  margin-bottom: 24px;
}

.contact-icon svg {
  width: 40px;
  height: 40px;
}

.contact-card h3 {
  margin-bottom: 12px;
  font-size: 1.4rem;
}

.contact-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ocean-darker);
  font-family: var(--font-display);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.contact-hours {
  font-size: 0.95rem;
  color: var(--gray-600);
  margin-bottom: 28px;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--ocean-darker);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 64px;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .brand {
  color: var(--white);
  margin-bottom: 16px;
}

.footer-brand .brand-icon {
  color: var(--electric-blue);
}

.footer-brand .brand-text strong {
  color: var(--white);
}

.footer-brand .brand-text em {
  color: rgba(255, 255, 255, 0.5);
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 20px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a, .footer-col li {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--electric-blue);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
  margin: 0;
}

/* ===== FLOATING WHATSAPP BUTTON ===== */
.float-wa {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.8);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: visible;
}

.float-wa.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.float-wa:hover {
  transform: scale(1.1) translateY(-4px);
  color: var(--white);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.5);
}

.float-wa-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid #25D366;
  animation: pulse-ring 2s ease-out infinite;
  pointer-events: none;
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.float-wa-dot {
  position: absolute;
  top: -2px;
  right: -2px;
  background: #FF3B30;
  color: var(--white);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  border: 2px solid var(--white);
  animation: bounce-dot 1.5s ease-in-out infinite;
}

@keyframes bounce-dot {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

.float-wa-label {
  position: absolute;
  right: 76px;
  top: 50%;
  transform: translateY(-50%) translateX(10px);
  background: var(--white);
  color: var(--gray-800);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
}

.float-wa-label::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 6px solid var(--white);
}

.float-wa:hover .float-wa-label {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* ===== STICKY MOBILE CTA ===== */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--gray-100);
  padding: 12px 16px;
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.08);
  z-index: 998;
  transform: translateY(100%);
  transition: transform 0.4s ease;
  display: none;
}

.sticky-cta.visible {
  transform: translateY(0);
}

.sticky-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: var(--white);
  padding: 14px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .why-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .process-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }

  .section-head { margin-bottom: 40px; }

  .hamburger { display: flex; }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 0;
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    align-items: stretch;
  }

  .main-nav.active {
    transform: translateY(0);
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    margin-bottom: 16px;
  }

  .main-nav ul li {
    border-bottom: 1px solid var(--gray-100);
  }

  .main-nav a {
    display: block;
    padding: 14px 0;
    font-size: 1rem;
  }

  .btn-wa-nav {
    justify-content: center;
    padding: 14px;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + 40px) 0 80px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    justify-content: center;
  }

  .hero-trust {
    gap: 24px;
  }

  .trust-item strong {
    font-size: 1.5rem;
  }

  .hero-compass {
    width: 400px;
    height: 400px;
    right: -200px;
    opacity: 0.3;
  }

  .process-flow {
    flex-direction: column;
    align-items: stretch;
  }

  .process-step {
    max-width: none;
  }

  .process-arrow {
    transform: rotate(90deg);
    justify-content: center;
  }

  .footer-container {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .sticky-cta {
    display: block;
  }

  /* Adjust float WA position to avoid sticky cta */
  .float-wa {
    bottom: 80px;
    width: 56px;
    height: 56px;
  }

  .float-wa-label {
    display: none;
  }

  body {
    padding-bottom: 70px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

  .solution-card, .industry-card, .problem-card, .service-item {
    padding: 24px 20px;
  }

  .contact-card {
    padding: 40px 24px;
  }

  .featured-badge {
    right: 16px;
    font-size: 0.7rem;
  }
}

/* ===== UTILITIES ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* Fallback: if JS doesn't load, show content */
.no-js .fade-in {
  opacity: 1;
  transform: none;
}