/* ==========================================================================
   OPERA TOTAL PACKAGING SOLUTION — STYLESHEET
   Table of contents:
   1. CSS Variables / Design Tokens
   2. Reset & Base
   3. Utility / Layout
   4. Buttons
   5. Navigation
   6. Hero
   7. Trust Indicators
   8. About
   9. Products
   10. Industries
   11. Why Choose Us
   12. Process Timeline
   13. Featured Products
   14. Testimonials
   15. FAQ Accordion
   16. CTA Banner
   17. Contact
   18. Footer
   19. Back to Top / Scroll Progress
   20. Animations (keyframes)
   21. Media Queries
   ========================================================================== */

/* ==========================================================================
   1. CSS VARIABLES / DESIGN TOKENS
   ========================================================================== */
:root {
  /* Colors */
  --color-navy: #0F172A;
  --color-navy-light: #1E293B;
  --color-orange: #F97316;
  --color-orange-dark: #EA580C;
  --color-green: #16A34A;
  --color-white: #FFFFFF;
  --color-light-gray: #F8FAFC;
  --color-dark-gray: #334155;
  --color-body-text: #1E293B;
  --color-border: #E2E8F0;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E293B 55%, #0c1424 100%);
  --gradient-accent: linear-gradient(135deg, #F97316 0%, #EA580C 100%);

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Type scale (fluid) */
  --fs-h1: clamp(2.4rem, 5vw + 1rem, 4.4rem);
  --fs-h2: clamp(1.9rem, 3vw + 1rem, 3rem);
  --fs-h3: clamp(1.15rem, 1vw + 0.9rem, 1.4rem);
  --fs-body: clamp(1rem, 0.3vw + 0.9rem, 1.08rem);
  --fs-small: 0.875rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Layout */
  --container-width: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --nav-height: 84px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.16);
  --shadow-orange: 0 10px 30px rgba(249, 115, 22, 0.28);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-med: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-body-text);
  background: var(--color-white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

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

input,
textarea {
  font-family: inherit;
  font-size: 1rem;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  line-height: 1.2;
  font-weight: 700;
}

/* Focus visibility for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-orange);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-orange);
  color: var(--color-white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 10000;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* ==========================================================================
   3. UTILITY / LAYOUT
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  position: relative;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: var(--fs-h2);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.section-text {
  color: var(--color-dark-gray);
  font-size: var(--fs-body);
  max-width: 640px;
}

.section-head {
  max-width: 720px;
  margin-bottom: var(--space-xl);
}

.section-head-light .section-title,
.section-head-light .section-text {
  color: var(--color-white);
}

.section-head-light .section-text {
  color: #CBD5E1;
}

/* Scroll reveal base states — toggled via JS 'in-view' class */
.reveal-up {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-text {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-up.in-view,
.reveal-left.in-view,
.reveal-right.in-view,
.reveal-text.in-view {
  opacity: 1;
  transform: translate(0, 0);
}

/* Staggering handled by JS via transition-delay inline style, or nth-child */
.trust-badges .trust-badge:nth-child(1) {
  transition-delay: 0.02s;
}

.trust-badges .trust-badge:nth-child(2) {
  transition-delay: 0.08s;
}

.trust-badges .trust-badge:nth-child(3) {
  transition-delay: 0.14s;
}

.trust-badges .trust-badge:nth-child(4) {
  transition-delay: 0.20s;
}

.trust-badges .trust-badge:nth-child(5) {
  transition-delay: 0.26s;
}

.trust-badges .trust-badge:nth-child(6) {
  transition-delay: 0.32s;
}

/* ==========================================================================
   4. BUTTONS
   ========================================================================== */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.9rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.btn-lg {
  padding: 1.05rem 2.3rem;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(249, 115, 22, 0.36);
}

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

.btn-outline:hover {
  background: var(--color-navy);
  color: var(--color-white);
  transform: translateY(-3px);
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(6px);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--color-white);
  transform: translateY(-3px);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--color-white);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.32);
}

.btn-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(37, 211, 102, 0.4);
}

/* Ripple effect element injected by JS */
.btn-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  transform: scale(0);
  animation: rippleAnim 0.6s ease-out forwards;
  pointer-events: none;
}

/* ==========================================================================
   5. NAVIGATION
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--transition-med), box-shadow var(--transition-med), height var(--transition-med);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  height: 72px;
}

.nav-container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-white);
}

.logo-mark {
  display: flex;
  color: var(--color-orange);
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  line-height: 1;
  display: flex;
  flex-direction: column;
}

.logo-sub {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #94A3B8;
  margin-top: 0.15rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  position: relative;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.4rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-orange);
  transition: width var(--transition-fast);
}

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

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

.nav-cta {
  padding: 0.65rem 1.4rem;
  font-size: 0.9rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  z-index: 1100;
}

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

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

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

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

/* ==========================================================================
   6. HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  background-image: url('images/hero_bg.jpeg');
  background-size: cover;
  background-position: center;
  opacity: 0.28;
  filter: saturate(0.6) contrast(1.05);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.55) 0%, rgba(15, 23, 42, 0.88) 75%, #0F172A 100%);
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(249, 115, 22, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249, 115, 22, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

.hero-float-elements {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.float-item {
  position: absolute;
  animation: floatY 6s ease-in-out infinite;
}

.float-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.3rem;
  box-shadow: var(--shadow-lg);
}

.float-label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-white);
}

.float-1 {
  top: 20%;
  left: 7%;
  animation-delay: 0s;
}

.float-2 {
  top: 62%;
  left: 12%;
  animation-delay: 1.2s;
}

.float-3 {
  top: 28%;
  right: 8%;
  animation-delay: 0.6s;
}

.float-4 {
  top: 66%;
  right: 10%;
  animation-delay: 1.8s;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: var(--nav-height);
}

.hero-eyebrow {
  color: var(--color-orange);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.hero-title {
  font-size: var(--fs-h1);
  color: var(--color-white);
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 900px;
  margin: 0 auto 1.5rem;
}

.text-accent {
  color: var(--color-orange);
}

.hero-subtitle {
  color: #CBD5E1;
  font-size: clamp(1rem, 0.4vw + 0.95rem, 1.2rem);
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.scroll-indicator {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.7);
}

.scroll-mouse {
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 7px;
}

.scroll-dot {
  width: 4px;
  height: 8px;
  background: var(--color-orange);
  border-radius: 2px;
  animation: scrollDot 1.6s ease-in-out infinite;
}

.scroll-text {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ==========================================================================
   7. TRUST INDICATORS
   ========================================================================== */
.trust {
  padding: var(--space-xl) 0;
  background: var(--color-light-gray);
  border-bottom: 1px solid var(--color-border);
}

.trust-badges {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
  margin-bottom: var(--space-xl);
}

.trust-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  text-align: center;
  padding: 1.4rem 0.8rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.trust-badge:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.trust-icon {
  width: 30px;
  height: 30px;
  color: var(--color-orange);
}

.trust-badge span {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-navy);
}

.counters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.counter-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.counter-num {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 3vw, 2.8rem);
  color: var(--color-navy);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.counter-label {
  font-size: 0.85rem;
  color: var(--color-dark-gray);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   8. ABOUT
   ========================================================================== */
.about {
  padding: var(--space-2xl) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image-wrap img {
  border-radius: var(--radius-lg);
}

.about-image-badge {
  position: absolute;
  bottom: 1.4rem;
  left: 1.4rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 1rem 1.3rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  border-left: 4px solid var(--color-orange);
}

.about-image-badge strong {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-navy);
}

.about-image-badge span {
  font-size: 0.78rem;
  color: var(--color-dark-gray);
}

.about-content .section-text {
  max-width: none;
  margin-bottom: 1.8rem;
}

.about-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.8rem;
}

.about-col {
  padding: 1.2rem;
  background: var(--color-light-gray);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-green);
}

.about-col h3 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.about-col p {
  font-size: 0.9rem;
  color: var(--color-dark-gray);
}

.about-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
  color: var(--color-dark-gray);
}

.about-list li:last-child {
  border-bottom: none;
}

.about-list strong {
  color: var(--color-navy);
}

/* ==========================================================================
   9. PRODUCTS
   ========================================================================== */
.products {
  padding: var(--space-2xl) 0;
  background: var(--color-light-gray);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-med), box-shadow var(--transition-med);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-media {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-navy);
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.product-card:hover .product-media img {
  transform: scale(1.08);
}

.product-body {
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 0.5rem;
}

.product-body h3 {
  font-size: 1.02rem;
}

.product-body p {
  font-size: 0.85rem;
  color: var(--color-dark-gray);
  flex-grow: 1;
}

.product-inquiry {
  margin-top: 0.5rem;
  align-self: flex-start;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-orange);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap var(--transition-fast);
}

.product-inquiry:hover {
  gap: 0.55rem;
}

/* ==========================================================================
   10. INDUSTRIES
   ========================================================================== */
.industries {
  padding: var(--space-2xl) 0;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.industry-card {
  padding: 2rem 1.25rem;
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.industry-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-orange);
  background: var(--color-light-gray);
}

.industry-icon {
  width: 40px;
  height: 40px;
  color: var(--color-green);
  margin: 0 auto 1rem;
}

.industry-card h3 {
  font-size: 1rem;
}

/* ==========================================================================
   11. WHY CHOOSE US
   ========================================================================== */
.why-us {
  padding: var(--space-2xl) 0;
  background: var(--color-navy);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature-card {
  padding: 1.8rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.07);
}

.feature-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  margin-bottom: 1.1rem;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.feature-card p {
  color: #94A3B8;
  font-size: 0.88rem;
}

/* ==========================================================================
   12. PROCESS TIMELINE
   ========================================================================== */
.process {
  padding: var(--space-2xl) 0;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.25rem;
  counter-reset: step;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 4%;
  width: 92%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--color-border) 0 10px, transparent 10px 18px);
  z-index: 0;
}

.timeline-step {
  position: relative;
  text-align: center;
  z-index: 1;
}

.timeline-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  background: var(--gradient-accent);
  color: var(--color-white);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-weight: 700;
  box-shadow: var(--shadow-orange);
}

.timeline-step h3 {
  font-size: 0.98rem;
  margin-bottom: 0.4rem;
}

.timeline-step p {
  font-size: 0.82rem;
  color: var(--color-dark-gray);
}

/* ==========================================================================
   13. FEATURED PRODUCTS
   ========================================================================== */
.featured {
  padding: var(--space-2xl) 0;
  background: var(--color-light-gray);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.featured-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-med), box-shadow var(--transition-med);
}

.featured-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.featured-media {
  aspect-ratio: 16/11;
  overflow: hidden;
}

.featured-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.featured-card:hover .featured-media img {
  transform: scale(1.06);
}

.featured-body {
  padding: 1.6rem;
}

.featured-body h3 {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}

.featured-list {
  margin-bottom: 0.9rem;
}

.featured-list li {
  font-size: 0.86rem;
  color: var(--color-dark-gray);
  padding-left: 1.2rem;
  position: relative;
  margin-bottom: 0.35rem;
}

.featured-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-green);
  font-weight: 700;
}

.featured-apps {
  font-size: 0.82rem;
  color: var(--color-dark-gray);
  margin-bottom: 1.1rem;
}

/* ==========================================================================
   14. TESTIMONIALS
   ========================================================================== */
.testimonials {
  padding: var(--space-2xl) 0;
  background: var(--color-navy);
}

.testimonial-slider {
  max-width: 760px;
  margin: 0 auto;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform var(--transition-slow);
}

.testimonial-card {
  min-width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
}

.stars {
  color: var(--color-orange);
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  margin-bottom: 1.2rem;
}

.testimonial-card blockquote {
  color: #E2E8F0;
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-card figcaption strong {
  display: block;
  color: var(--color-white);
  font-family: var(--font-heading);
}

.testimonial-card figcaption span {
  font-size: 0.82rem;
  color: #94A3B8;
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.75rem;
}

.testimonial-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.testimonial-dots button.active {
  background: var(--color-orange);
  transform: scale(1.2);
}

/* ==========================================================================
   15. FAQ ACCORDION
   ========================================================================== */
.faq {
  padding: var(--space-2xl) 0;
}

.faq-container {
  max-width: 800px;
}

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

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 0.2rem;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-navy);
}

.accordion-icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.accordion-icon::before,
.accordion-icon::after {
  content: '';
  position: absolute;
  background: var(--color-orange);
  transition: transform var(--transition-fast);
}

.accordion-icon::before {
  width: 100%;
  height: 2px;
  top: 8px;
  left: 0;
}

.accordion-icon::after {
  width: 2px;
  height: 100%;
  top: 0;
  left: 8px;
}

.accordion-trigger[aria-expanded="true"] .accordion-icon::after {
  transform: rotate(90deg);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-med), padding var(--transition-med);
}

.accordion-panel p {
  padding-bottom: 1.4rem;
  color: var(--color-dark-gray);
  font-size: 0.95rem;
  max-width: 680px;
}

/* ==========================================================================
   16. CTA BANNER
   ========================================================================== */
.cta-banner {
  padding: var(--space-xl) 0;
  background: var(--gradient-accent);
  text-align: center;
}

.cta-banner-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

.cta-banner h2 {
  color: var(--color-white);
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  max-width: 700px;
}

.cta-banner-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.cta-banner .btn-primary {
  background: var(--color-navy);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.3);
}

/* ==========================================================================
   17. CONTACT
   ========================================================================== */
.contact {
  padding: var(--space-2xl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-form {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-navy);
}

.form-group input,
.form-group textarea {
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
  outline: none;
}

.form-group input.invalid,
.form-group textarea.invalid {
  border-color: #DC2626;
}

.form-error {
  font-size: 0.78rem;
  color: #DC2626;
  min-height: 1em;
}

.form-success {
  margin-top: 0.5rem;
  padding: 0.9rem 1.1rem;
  background: rgba(22, 163, 74, 0.1);
  color: var(--color-green);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-card {
  padding: 1.2rem 1.4rem;
  background: var(--color-light-gray);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-orange);
}

.info-card h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-dark-gray);
  margin-bottom: 0.3rem;
}

.info-card p {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-navy);
}

.info-card a:hover {
  color: var(--color-orange);
}

.map-placeholder {
  height: 200px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-navy), var(--color-dark-gray));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   18. FOOTER
   ========================================================================== */
.footer {
  background: var(--color-navy);
  color: #CBD5E1;
  padding-top: var(--space-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: var(--space-xl);
}

.footer-logo {
  color: var(--color-white);
  margin-bottom: 1rem;
  display: inline-flex;
}

.footer-brand p {
  font-size: 0.88rem;
  color: #94A3B8;
  margin-bottom: 1.2rem;
  max-width: 320px;
}

.social-icons {
  display: flex;
  gap: 0.7rem;
}

.social-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 700;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.social-icon:hover {
  background: var(--color-orange);
  transform: translateY(-3px);
}

.footer-col h3 {
  color: var(--color-white);
  font-size: 0.95rem;
  margin-bottom: 1.1rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-col a {
  font-size: 0.88rem;
  color: #94A3B8;
  transition: color var(--transition-fast);
}

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

.footer-col li {
  font-size: 0.88rem;
  color: #94A3B8;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem 0;
}

.footer-bottom-inner {
  text-align: center;
  font-size: 0.82rem;
  color: #64748B;
}

/* ==========================================================================
   19. BACK TO TOP / SCROLL PROGRESS
   ========================================================================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--gradient-accent);
  z-index: 2000;
  transition: width 0.1s ease-out;
}

.back-to-top {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-navy);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast), background var(--transition-fast);
  z-index: 999;
}

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

.back-to-top:hover {
  background: var(--color-orange);
}

/* ==========================================================================
   20. ANIMATIONS (KEYFRAMES)
   ========================================================================== */
@keyframes floatY {

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

  50% {
    transform: translateY(-18px);
  }
}

@keyframes scrollDot {
  0% {
    transform: translateY(0);
    opacity: 1;
  }

  70% {
    transform: translateY(14px);
    opacity: 0;
  }

  100% {
    transform: translateY(0);
    opacity: 0;
  }
}

@keyframes rippleAnim {
  to {
    transform: scale(3);
    opacity: 0;
  }
}

/* ==========================================================================
   21. MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1100px) {
  .trust-badges {
    grid-template-columns: repeat(3, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .industry-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .timeline {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 2.5rem;
  }

  .timeline::before {
    display: none;
  }

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

@media (max-width: 900px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 80vw);
    background: var(--color-navy);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform var(--transition-med);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-cta-item {
    margin-top: 1rem;
  }

  .hamburger {
    display: flex;
  }

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

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

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

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

@media (max-width: 720px) {
  .trust-badges {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .cta-banner-actions {
    flex-direction: column;
    width: 100%;
  }

  .cta-banner-actions .btn {
    width: 100%;
  }

  .float-item {
    display: none;
  }
}

@media (max-width: 480px) {
  .trust-badges {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .container {
    padding: 0 1.1rem;
  }
}