/* ===========================
   VARIABLES & RESET
   =========================== */

:root {
  --primary-color: #8c52ff;
  --primary-dark: #8c52ff;
  --primary-light: #a78bfa;
  --background-color: #ffffff;
  --card-background: #f8f7ff;
  --text-color: #1f2937;
  --text-light: #6b7280;
  --border-color: #e5e7eb;
  --border-light: #f3f4f6;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius: 10px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
}

/* ===========================
   GILKER BOLD FONT
   =========================== */
@font-face {
  font-family: "Gliker Bold";
  src: url("./fonts/gliker-bold.woff2") format("woff2"),
    url("./fonts/gliker-bold.woff") format("woff");
  font-weight: bold;
  font-style: normal;
}

.gilker-bold {
  font-family: "Gliker Bold" !important;
  font-weight: 800;
  letter-spacing: -0.5px;
}

/* ===========================
   CONTAINER & UTILITIES
   =========================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

.w-full {
  width: 100%;
}

.btn-block {
  width: 100%;
}

/* ===========================
   BUTTONS
   =========================== */

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
  text-align: center;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-remove-link {
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  font-size: 1.1rem;
  transition: var(--transition);
  padding: 0.5rem;
}

.btn-remove-link:hover {
  color: #ef4444;
}

/* ===========================
   HEADER
   =========================== */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-color);
}

.logo {
  height: 2.5rem;
  width: auto;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-color);
  display: none;
}

@media (min-width: 640px) {
  .brand-name {
    display: inline;
  }
}

.nav-desktop {
  display: none;
  gap: 2rem;
  align-items: center;
}

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

.nav-link {
  font-size: 0.95rem;
  color: var(--text-color);
  text-decoration: none;
  transition: var(--transition);
}

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

.header-buttons {
  display: none;
  gap: 1rem;
  align-items: center;
}

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

.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-color);
  cursor: pointer;
  transition: var(--transition);
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu-btn:hover {
  color: var(--primary-color);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-color);
  background-color: var(--card-background);
}

.nav-mobile.active {
  display: flex;
}

.mobile-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

/* ===========================
   HERO SECTION
   =========================== */

.hero {
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .hero {
    padding: 6rem 0;
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-color);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.5rem;
  }
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
  }
}

.hero-features {
  font-size: 0.95rem;
  color: var(--text-light);
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card {
  background: linear-gradient(
    135deg,
    rgba(124, 58, 237, 0.1) 0%,
    rgba(124, 58, 237, 0.05) 100%
  );
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 1.5rem;
  padding: 2rem;
  width: 100%;
  max-width: 400px;
}

.hero-illustration {
  aspect-ratio: 1;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  border-radius: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  gap: 1rem;
}

.hero-illustration i {
  font-size: 3rem;
}

.hero-illustration p {
  font-weight: 600;
  text-align: center;
}

/* ===========================
   FEATURES SECTION
   =========================== */

.features {
  background-color: var(--card-background);
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .features {
    padding: 6rem 0;
  }
}

.features-dark {
  background: linear-gradient(135deg, #8c52ff 0%, #a78bfa 100%);
  color: white;
}

.features-dark .section-title {
  color: white;
}

.features-dark .section-subtitle {
  color: rgba(255, 255, 255, 0.9);
}

.features-dark .feature-card {
  background-color: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.features-dark .feature-card h3 {
  color: var(--text-color);
}

.features-dark .feature-card p {
  color: var(--text-light);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  text-align: center;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  background-color: rgba(124, 58, 237, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-color);
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.6;
}

/* ===========================
   HOW IT WORKS SECTION
   =========================== */

.how-it-works {
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .how-it-works {
    padding: 6rem 0;
  }
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step {
  text-align: center;
}

.step-number {
  width: 3rem;
  height: 3rem;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1rem;
}

.step h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-color);
}

.step p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ===========================
   SYSTEM SHOWCASE SECTION
   =========================== */

.system-showcase {
  background-color: var(--card-background);
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .system-showcase {
    padding: 6rem 0;
  }
}

.system-tabs {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--border-color);
  background-color: white;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  color: var(--text-color);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tab-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

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

.tabs-content {
  position: relative;
}

.tab-content {
  display: none;
  animation: fadeInUp 0.6s ease-out;
}

.tab-content.active {
  display: block;
}

.mockup-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 768px) {
  .mockup-container {
    grid-template-columns: 1fr 1fr;
  }
}

.mockup-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  margin: 0 auto;
}

.mockup-description h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.mockup-description p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.features-list {
  list-style: none;
  margin-bottom: 1.5rem;
}

.features-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-color);
}

.features-list i {
  color: var(--primary-color);
  font-weight: bold;
}

/* ===========================
   BIO CREATOR DEMO SECTION
   =========================== */

.bio-creator-demo {
  padding: 4rem 0;
  text-align: center;
}

@media (min-width: 768px) {
  .bio-creator-demo {
    padding: 6rem 0;
  }
}

.bio-creator-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 768px) {
  .bio-creator-container {
    grid-template-columns: 1fr 1fr;
  }
}

.bio-form {
  background-color: var(--card-background);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-color);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.links-section {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.links-section h4 {
  margin-bottom: 1rem;
  color: var(--text-color);
}

.links-list {
  margin-bottom: 1rem;
}

.link-item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: flex-end;
}

.link-title,
.link-url {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.9rem;
}

.link-title {
  flex: 0.8;
}

.link-url {
  flex: 1.2;
}

.bio-preview {
  display: flex;
  align-items: center;
  justify-content: center;
}

.bio-preview-card {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-md);
}

.bio-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.bio-avatar {
  width: 80px;
  height: 80px;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  margin: 0 auto 1rem;
}

.bio-header h3 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
  color: var(--text-color);
}

.bio-header p {
  color: var(--text-light);
  font-size: 0.9rem;
}

.bio-description {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.6;
}

.bio-links {
  margin-bottom: 1.5rem;
}

.bio-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

.bio-link:hover {
  border-color: var(--primary-color);
  background-color: rgba(124, 58, 237, 0.05);
}

.link-icon {
  width: 40px;
  height: 40px;
  background-color: rgba(124, 58, 237, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  flex-shrink: 0;
}

.link-info {
  flex: 1;
}

.link-info .link-title {
  font-weight: 600;
  color: var(--text-color);
  margin: 0;
  font-size: 0.9rem;
}

.link-info .link-short {
  color: var(--text-light);
  font-size: 0.8rem;
  margin: 0.25rem 0 0;
}

.link-clicks {
  font-size: 0.8rem;
  color: var(--text-light);
  white-space: nowrap;
}

/* ===========================
   TESTIMONIALS SECTION
   =========================== */

.testimonials {
  background-color: var(--card-background);
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .testimonials {
    padding: 6rem 0;
  }
}

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

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

.testimonial-card {
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.stars i {
  font-size: 0.9rem;
}

.testimonial-text {
  color: var(--text-light);
  margin-bottom: 1rem;
  line-height: 1.6;
  font-style: italic;
}

.testimonial-author {
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 0.25rem;
}

.testimonial-role {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ===========================
   CTA SECTION
   =========================== */

.cta {
  background: linear-gradient(
    135deg,
    rgba(124, 58, 237, 0.1) 0%,
    rgba(124, 58, 237, 0.05) 100%
  );
  border-top: 1px solid var(--border-color);
  padding: 4rem 0;
  text-align: center;
}

@media (min-width: 768px) {
  .cta {
    padding: 6rem 0;
  }
}

.cta h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .cta h2 {
    font-size: 2.5rem;
  }
}

.cta p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===========================
   FOOTER
   =========================== */

.footer {
  background-color: var(--card-background);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

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

.footer-section h4 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.footer-section p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.75rem;
}

.footer-section a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-section a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.footer-bottom p {
  font-size: 0.9rem;
  color: var(--text-light);
}

.social-links {
  display: flex;
  gap: 1.5rem;
}

.social-links a {
  color: var(--text-light);
  font-size: 1.25rem;
  transition: var(--transition);
}

.social-links a:hover {
  color: var(--primary-color);
  transform: translateY(-3px);
}

/* ===========================
   ANIMATIONS
   =========================== */

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

/* ===========================
   RESPONSIVE
   =========================== */

@media (max-width: 640px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .cta h2 {
    font-size: 1.75rem;
  }

  .mockup-container {
    grid-template-columns: 1fr;
  }

  .bio-creator-container {
    grid-template-columns: 1fr;
  }
}

/* ===========================
   WHATSAPP SECTION
   =========================== */

.whatsapp-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, #f0f9ff 0%, #f5e6ff 100%);
}

.whatsapp-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 768px) {
  .whatsapp-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.whatsapp-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #25d366;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.whatsapp-badge i {
  font-size: 1rem;
}

.whatsapp-text .section-title {
  margin-bottom: 0.5rem;
  color: #1f2937;
}

.whatsapp-text .section-subtitle {
  color: var(--text-light);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.whatsapp-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.whatsapp-feature {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.whatsapp-feature i {
  color: #25d366;
  font-size: 1.5rem;
  min-width: 2rem;
  margin-top: 0.25rem;
}

.whatsapp-feature h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 0.25rem;
}

.whatsapp-feature p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.whatsapp-cta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.whatsapp-cta .btn {
  padding: 1rem 2rem;
  font-size: 1rem;
  background-color: #25d366;
  border: none;
}

.whatsapp-cta .btn:hover {
  background-color: #1ba85c;
  transform: translateY(-2px);
}

.whatsapp-subtitle {
  color: var(--text-light);
  font-size: 0.9rem;
}

.whatsapp-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.whatsapp-mockup {
  width: 100%;
  max-width: 320px;
}

.phone-frame {
  background: #000;
  border-radius: 40px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  aspect-ratio: 9 / 19.5;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #fff;
  border-radius: 35px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.whatsapp-chat {
  width: 100%;
  height: 100%;
  background: #eae6df;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1rem;
  gap: 1rem;
}

.chat-header {
  background: #25d366;
  color: white;
  padding: 1rem;
  border-radius: 0 0 15px 15px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.chat-header i {
  font-size: 1.5rem;
}

.chat-bubble {
  background: white;
  padding: 0.75rem 1rem;
  border-radius: 18px;
  max-width: 80%;
  color: var(--text-color);
  font-size: 0.9rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

@media (max-width: 640px) {
  .whatsapp-section {
    padding: 3rem 0;
  }

  .whatsapp-content {
    gap: 1rem;
  }

  .phone-frame {
    max-width: 100%;
    max-height: 400px;
  }
}