/* ===================================================================
   KARVON — gokarvon.com
   Design System + Full Page Styles
   =================================================================== */

/* ---------- Font Face ---------- */
@font-face {
  font-family: 'Onest';
  src: url('/assets/fonts/Onest-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Onest';
  src: url('/assets/fonts/Onest-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Onest';
  src: url('/assets/fonts/Onest-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Onest';
  src: url('/assets/fonts/Onest-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Onest';
  src: url('/assets/fonts/Onest-ExtraBold.ttf') format('truetype');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --green: #004225;
  --green-light: #005a33;
  --green-dark: #00301a;
  --gold: #ffb002;
  --gold-light: #ffc940;
  --gold-dark: #e69e00;
  --cream: #f5f5dc;
  --cream-dark: #ece8c8;
  --tan: #f3c997;
  --tan-light: #f8dbb5;
  --white: #ffffff;
  --warm-bg: #faecd6;
  --warm-bg-light: #fdf4e8;
  --black: #1a1a1a;
  --gray-100: #f7f7f2;
  --gray-200: #eae8dd;
  --gray-300: #d4d1c0;
  --gray-500: #8a8775;
  --gray-700: #4a483e;

  /* Typography */
  --font: 'Onest', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --section-pad: clamp(4rem, 8vw, 8rem);
  --container-max: 1200px;
  --container-pad: clamp(1.25rem, 4vw, 2rem);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 66, 37, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 66, 37, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 66, 37, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 66, 37, 0.16);
  --shadow-glow: 0 0 60px rgba(255, 176, 2, 0.2);

  /* Transitions */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.4s;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--black);
  background: var(--cream);
  overflow-x: hidden;
}

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

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ---------- Section Headers ---------- */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(0, 66, 37, 0.08);
  border: 1px solid rgba(0, 66, 37, 0.12);
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-tag--alt {
  color: var(--gold-dark);
  background: rgba(255, 176, 2, 0.1);
  border-color: rgba(255, 176, 2, 0.2);
}

.section-tag--light {
  color: var(--gold);
  background: rgba(255, 176, 2, 0.15);
  border-color: rgba(255, 176, 2, 0.2);
}

.section-tag--dark {
  color: var(--green);
  background: rgba(0, 66, 37, 0.1);
  border-color: rgba(0, 66, 37, 0.2);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--green);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--gray-500);
  max-width: 560px;
  margin: 0.75rem auto 0;
  line-height: 1.6;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  padding: 0.65rem 1.5rem;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

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

.btn--primary:hover {
  background: var(--green-light);
  border-color: var(--green-light);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}

.btn--secondary:hover {
  background: var(--green);
  color: var(--white);
}

.btn--outline {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}

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

.btn--outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

.btn--accent {
  background: var(--gold);
  color: var(--green);
  border-color: var(--gold);
}

.btn--accent:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  box-shadow: var(--shadow-glow);
}

.btn--sm {
  font-size: 0.85rem;
  padding: 0.5rem 1.1rem;
}

.btn--lg {
  font-size: 1rem;
  padding: 0.8rem 1.8rem;
}

.btn--xl {
  font-size: 1.1rem;
  padding: 0.9rem 2.2rem;
}

/* ===================================================================
   NAVBAR
   =================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0.75rem 0;
  transition: all 0.3s var(--ease);
}

.navbar.scrolled {
  background: rgba(245, 245, 220, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 66, 37, 0.06);
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  z-index: 10;
}

.navbar__logo img {
  border-radius: var(--radius-sm);
}

.navbar__wordmark {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--green);
  letter-spacing: -0.02em;
}

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

.navbar__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
  position: relative;
  transition: color 0.2s;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  border-radius: 1px;
  transition: width 0.3s var(--ease);
}

.navbar__link:hover {
  color: var(--green);
}

.navbar__link:hover::after {
  width: 100%;
}

.navbar__actions {
  display: flex;
  gap: 0.5rem;
}

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 10;
  padding: 4px;
}

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

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

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

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

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--cream);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  z-index: 1001;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}

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

.mobile-menu__link {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--green);
}

.mobile-menu__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.mobile-menu__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 2rem;
  line-height: 1;
  color: var(--green);
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s, color 0.2s;
}

.mobile-menu__close:hover {
  background: rgba(0, 66, 37, 0.08);
}

.mobile-menu--dark .mobile-menu__close {
  color: var(--white);
}

.mobile-menu--dark .mobile-menu__close:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ===================================================================
   HERO
   =================================================================== */
.hero {
  position: relative;
  padding: clamp(7rem, 12vw, 10rem) 0 var(--section-pad);
  overflow: hidden;
}

.hero__bg-shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: blobFloat 20s ease-in-out infinite;
}

.hero__blob--1 {
  width: 500px;
  height: 500px;
  background: var(--gold);
  top: -10%;
  right: -5%;
  opacity: 0.15;
}

.hero__blob--2 {
  width: 400px;
  height: 400px;
  background: var(--green);
  bottom: -10%;
  left: -10%;
  opacity: 0.08;
  animation-delay: -7s;
}

.hero__blob--3 {
  width: 300px;
  height: 300px;
  background: var(--tan);
  top: 30%;
  left: 20%;
  opacity: 0.15;
  animation-delay: -14s;
}

@keyframes blobFloat {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(30px, -20px) scale(1.05);
  }

  66% {
    transform: translate(-20px, 20px) scale(0.95);
  }
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  position: relative;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--green);
  background: rgba(0, 66, 37, 0.06);
  border: 1px solid rgba(0, 66, 37, 0.1);
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(1.3);
  }
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  color: var(--green);
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero__title--accent {
  color: var(--gold);
  display: inline;
}

.hero__title--sub {
  display: block;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 500;
  color: var(--gray-500);
  letter-spacing: -0.01em;
  margin-top: 0.5rem;
}

.hero__subtitle {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--gray-700);
  line-height: 1.65;
  max-width: 480px;
  margin-bottom: 2rem;
}

.hero__cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.hero__badges {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.hero__trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  background: rgba(0, 66, 37, 0.06);
  border: 1px solid rgba(0, 66, 37, 0.1);
  border-radius: 100px;
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

.hero__trust-badge strong {
  color: var(--green);
  font-weight: 700;
}

.hero__trust-logo {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  object-fit: contain;
}

.hero__visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.hero__phone-wrapper {
  position: relative;
}

.hero__phone-glow {
  position: absolute;
  width: 80%;
  height: 80%;
  top: 10%;
  left: 10%;
  background: radial-gradient(circle, rgba(255, 176, 2, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(40px);
  z-index: -1;
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {

  0%,
  100% {
    opacity: 0.6;
    transform: scale(1);
  }

  50% {
    opacity: 1;
    transform: scale(1.05);
  }
}

.hero__phone {
  max-height: 560px;
  width: auto;
  filter: drop-shadow(0 20px 60px rgba(0, 66, 37, 0.2));
  animation: phoneFloat 6s ease-in-out infinite;
}

@keyframes phoneFloat {

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

  50% {
    transform: translateY(-12px);
  }
}

/* ===================================================================
   TRACTION BAR
   =================================================================== */
.traction {
  padding: 2.5rem 0;
  background: var(--green);
  border-top: none;
  border-bottom: none;
}

.traction__grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.traction__item {
  text-align: center;
  padding: 0.5rem 1rem;
}

.traction__number {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1;
}

.traction__plus {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--gold);
}

.traction__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.traction__divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
}

/* ===================================================================
   HOW IT WORKS
   =================================================================== */
.how-it-works {
  padding: var(--section-pad) 0;
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.step {
  flex: 1;
  max-width: 320px;
  text-align: center;
  padding: 2rem 1.5rem;
  position: relative;
}

.step__number {
  position: absolute;
  top: 0;
  right: 1rem;
  font-size: 4rem;
  font-weight: 800;
  color: var(--green);
  opacity: 0.05;
  line-height: 1;
}

.step__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: rgba(0, 66, 37, 0.06);
  border: 1px solid rgba(0, 66, 37, 0.1);
  border-radius: var(--radius-lg);
  color: var(--green);
  margin-bottom: 1.25rem;
  transition: all 0.3s var(--ease);
}

.step:hover .step__icon {
  background: var(--green);
  color: var(--gold);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.step__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 0.5rem;
}

.step__desc {
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 1.6;
}

.step__connector {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--gray-200), var(--gold), var(--gray-200));
  margin-top: 4rem;
  flex-shrink: 0;
  border-radius: 1px;
}

/* ===================================================================
   FEATURES (For Customers + For Businesses)
   =================================================================== */
.features,
.for-business {
  padding: var(--section-pad) 0;
}

.for-business {
  background: var(--tan);
}

.features__split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.features__split--reverse .features__content {
  order: 1;
}

.features__split--reverse .features__visual {
  order: 0;
}

.features__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
}

.features__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--tan);
  border: 1px solid rgba(243, 201, 151, 0.5);
  border-radius: var(--radius-md);
  transition: all 0.3s var(--ease);
}

.features__item:hover {
  background: var(--tan-light);
  border-color: var(--tan);
  transform: translateX(4px);
}

.features__item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--green);
  color: var(--gold);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.features__item-icon--alt {
  background: var(--gold);
  color: var(--green);
}

.features__item strong {
  display: block;
  font-weight: 700;
  color: var(--green);
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.features__item span {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.5;
}

.features__phone-wrapper {
  display: flex;
  justify-content: center;
}

.features__phone {
  max-height: 520px;
  width: auto;
  border-radius: var(--radius-xl);
  filter: drop-shadow(0 20px 50px rgba(0, 66, 37, 0.15));
  transition: transform 0.4s var(--ease);
}

.features__phone:hover {
  transform: scale(1.02);
}

.features__laptop-wrapper {
  display: flex;
  justify-content: center;
}

.features__laptop {
  max-width: 100%;
  filter: drop-shadow(0 20px 50px rgba(0, 66, 37, 0.15));
  transition: transform 0.4s var(--ease);
}

.features__laptop:hover {
  transform: scale(1.02);
}

/* ===================================================================
   PRODUCTS
   =================================================================== */
.products {
  padding: var(--section-pad) 0;
}

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

.product-card {
  background: var(--white);
  border: 1px solid rgba(0, 66, 37, 0.1);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 66, 37, 0.06);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

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

.product-card:hover::before {
  transform: scaleX(1);
}

.product-card--highlight {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}

.product-card--highlight::before {
  background: linear-gradient(90deg, var(--gold), var(--tan));
}

.product-card--highlight .product-card__title {
  color: var(--white);
}

.product-card--highlight .product-card__subtitle {
  color: var(--gold);
}

.product-card--highlight .product-card__desc {
  color: rgba(255, 255, 255, 0.75);
}

.product-card--highlight .product-card__tag {
  background: rgba(255, 176, 2, 0.15);
  color: var(--gold);
}

.product-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.product-card__icon img {
  border-radius: var(--radius-md);
}

.product-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 0.25rem;
}

.product-card__subtitle {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.product-card__desc {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.product-card__tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3rem 0.8rem;
  background: rgba(0, 66, 37, 0.06);
  color: var(--green);
  border-radius: var(--radius-full);
}

/* ===================================================================
   KARVON AI
   =================================================================== */
.ai-section {
  padding: var(--section-pad) 0;
  background: var(--green);
  position: relative;
  overflow: hidden;
}

.ai-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 176, 2, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.ai-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  position: relative;
}

.ai-section__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.12;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.ai-section__subtitle {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.ai-section__features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.ai-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.ai-feature__icon {
  font-size: 1.4rem;
  line-height: 1.6;
  flex-shrink: 0;
}

.ai-feature strong {
  display: block;
  color: var(--white);
  font-weight: 700;
  font-size: 0.95rem;
}

.ai-feature p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.88rem;
  line-height: 1.5;
}

.ai-section__mockup {
  max-height: 520px;
  width: auto;
  border-radius: var(--radius-xl);
  filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.3));
  transition: transform 0.4s var(--ease);
}

.ai-section__mockup:hover {
  transform: scale(1.02);
}

.ai-section__visual {
  display: flex;
  justify-content: center;
}

/* ===================================================================
   WHY KARVON
   =================================================================== */
.why-karvon {
  padding: var(--section-pad) 0;
  background: var(--green);
  position: relative;
  overflow: hidden;
}

.why-karvon .section-title {
  color: var(--white);
}

.why-karvon .section-tag {
  color: var(--gold);
  background: rgba(255, 176, 2, 0.15);
  border-color: rgba(255, 176, 2, 0.2);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.comparison-card {
  display: flex;
  align-items: stretch;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s var(--ease);
}

.comparison-card:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.comparison-card__old {
  flex: 1;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.15);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.comparison-card__old p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.5;
  text-decoration: line-through;
  text-decoration-color: rgba(255, 255, 255, 0.2);
}

.comparison-card__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1rem;
  font-size: 1.5rem;
  color: var(--gold);
  font-weight: 700;
}

.comparison-card__new {
  flex: 1;
  padding: 1.5rem;
}

.comparison-card__new p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.5;
}

.comparison-card__new strong {
  color: var(--gold);
}

.comparison-card__label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.5rem;
}

.comparison-card__label--old {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
}

.comparison-card__label--new {
  background: rgba(255, 176, 2, 0.15);
  color: var(--gold);
}

/* ===================================================================
   CTA SECTION
   =================================================================== */
.cta-section {
  padding: var(--section-pad) 0;
  background: var(--green);
  position: relative;
  overflow: hidden;
}

.cta-section__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta-section__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.cta-section__blob--1 {
  width: 500px;
  height: 500px;
  background: var(--gold);
  opacity: 0.1;
  top: -30%;
  left: -10%;
}

.cta-section__blob--2 {
  width: 400px;
  height: 400px;
  background: var(--tan);
  opacity: 0.08;
  bottom: -30%;
  right: -10%;
}

.cta-section__inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  align-items: center;
  gap: 3rem;
  position: relative;
}

.cta-section__title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.cta-section__subtitle {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  max-width: 500px;
  margin-bottom: 2rem;
}

.cta-section__buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cta-section__phone {
  max-height: 480px;
  width: auto;
  filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.3));
  animation: phoneFloat 6s ease-in-out infinite;
  animation-delay: -3s;
}

.cta-section__visual {
  display: flex;
  justify-content: center;
}

/* ===================================================================
   FOOTER
   =================================================================== */
.footer {
  background: var(--green-dark);
  padding: 3.5rem 0 1.5rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer__logo img {
  border-radius: var(--radius-sm);
}

.footer__logo span {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
}

.footer__desc {
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 1.25rem;
}

.footer__socials {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer__socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.3s var(--ease);
}

.footer__socials a:hover {
  background: var(--gold);
  color: var(--green);
  transform: translateY(-2px);
}

.footer__socials svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.footer__emails {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
}

.footer__emails a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
}

.footer__emails a:hover {
  color: var(--gold);
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer__col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer__col a {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
  transition: color 0.2s;
}

.footer__col a:hover {
  color: var(--gold);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
}

.footer__made {
  color: rgba(255, 255, 255, 0.4);
}

/* ===================================================================
   ANIMATIONS
   =================================================================== */
.anim-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--delay, 0s);
}

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

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width: 1024px) {
  .products__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {

  .navbar__links,
  .navbar__actions {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__subtitle {
    margin: 0 auto 2rem;
  }

  .hero__cta {
    justify-content: center;
  }

  .hero__phone {
    max-height: 420px;
  }

  .features__split,
  .features__split--reverse,
  .ai-section__inner,
  .cta-section__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .features__split--reverse .features__content {
    order: 0;
  }

  .features__split--reverse .features__visual {
    order: 1;
  }

  .features__list {
    align-items: stretch;
  }

  .features__item {
    text-align: left;
  }

  .section-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .steps {
    flex-direction: column;
    align-items: center;
  }

  .step__connector {
    width: 2px;
    height: 40px;
    margin: 0;
  }

  .products__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .traction__divider {
    display: none;
  }

  .traction__grid {
    gap: 1rem;
  }

  .traction__item {
    min-width: 120px;
  }

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

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

  .footer__bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .comparison-card {
    flex-direction: column;
  }

  .comparison-card__old {
    border-right: none;
    border-bottom: 1px solid var(--gray-200);
  }

  .comparison-card__arrow {
    padding: 0.5rem;
    transform: rotate(90deg);
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 2.2rem;
  }

  .hero__cta {
    flex-direction: column;
    align-items: center;
  }

  .hero__cta .btn {
    width: 100%;
  }

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

  .traction__item {
    min-width: 100px;
  }
}

/* ===================================================================
   MODAL DIALOGS
   =================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 20, 10, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--ease);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--white);
  border-radius: 1.25rem;
  padding: 2.5rem 2rem 2rem;
  max-width: 420px;
  width: 90%;
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.35s var(--ease);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--text-muted);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s;
}

.modal__close:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--green);
}

.modal__icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.modal__title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--green);
  margin-bottom: 0.25rem;
}

.modal__subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.modal__options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.modal__option {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  border: 1.5px solid rgba(0, 66, 37, 0.12);
  background: rgba(0, 66, 37, 0.02);
  color: var(--green);
  text-decoration: none;
  transition: all 0.25s var(--ease);
  cursor: pointer;
}

.modal__option:hover {
  border-color: var(--green);
  background: rgba(0, 66, 37, 0.06);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 66, 37, 0.1);
}

.modal__option svg {
  flex-shrink: 0;
}

.modal__option-label {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--green);
}

.modal__option-desc {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

.modal__option--alt {
  border-color: rgba(243, 201, 151, 0.5);
  background: rgba(243, 201, 151, 0.08);
}

.modal__option--alt:hover {
  border-color: var(--gold);
  background: rgba(243, 201, 151, 0.15);
}

.modal__footnote {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 1.25rem;
}

.modal__footnote a {
  color: var(--green);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.modal__footnote a:hover {
  color: var(--gold);
}

/* ===================================================================
   LANGUAGE SWITCHER
   =================================================================== */
.lang-switcher {
  display: flex;
  gap: 0.25rem;
  background: rgba(0, 66, 37, 0.05);
  padding: 0.25rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 66, 37, 0.1);
  margin-right: 0.5rem;
}

.lang-switcher__btn {
  background: transparent;
  border: none;
  color: var(--green);
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s;
}

.lang-switcher__btn:hover {
  background: rgba(0, 66, 37, 0.05);
}

.lang-switcher__btn.active {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 2px 4px rgba(0, 66, 37, 0.1);
}

/* Dark Navbar Variant (for AI page) */
.navbar--dark .lang-switcher {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.navbar--dark .lang-switcher__btn {
  color: rgba(255, 255, 255, 0.8);
}

.navbar--dark .lang-switcher__btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.navbar--dark .lang-switcher__btn.active {
  background: var(--white);
  color: var(--green);
}

/* Mobile Menu Variant */
.mobile-menu .lang-switcher {
  margin-top: 1rem;
  margin-right: 0;
  padding: 0.5rem;
}

.mobile-menu .lang-switcher__btn {
  font-size: 1rem;
  padding: 0.5rem 1rem;
}