/**
* Premium portfolio styles for Tanvir Md. Al Amin
*/

:root {
  --default-font: "Inter", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --heading-font: "Manrope", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --nav-font: "Inter", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --background-color: #ffffff;
  --surface-color: #ffffff;
  --soft-surface-color: #f5f8f8;
  --default-color: #344049;
  --muted-color: #65727c;
  --heading-color: #15191e;
  --accent-color: #0f8b8d;
  --accent-alt: #ef8354;
  --border-color: #dde7e6;
  --contrast-color: #ffffff;
  --shadow-sm: 0 10px 30px rgba(15, 38, 42, 0.08);
  --shadow-md: 0 22px 60px rgba(15, 38, 42, 0.12);
  --radius: 8px;
  --header-width: 300px;
  scroll-behavior: smooth;
}

.light-background {
  --background-color: #f5f8f8;
  --surface-color: #ffffff;
}

.dark-background {
  --background-color: #101820;
  --default-color: #e8f0ef;
  --heading-color: #ffffff;
  --surface-color: #17232d;
  --border-color: rgba(255, 255, 255, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  color: var(--default-color);
  background-color: var(--background-color);
  font-family: var(--default-font);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

a:hover {
  color: #0b6f71;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.portfolio-filters li:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent-color), white 55%);
  outline-offset: 3px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--heading-color);
  font-family: var(--heading-font);
  font-weight: 800;
  letter-spacing: 0;
}

p {
  margin-bottom: 1rem;
}

img {
  max-width: 100%;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 100000;
  transform: translateY(-140%);
  background: var(--accent-color);
  color: var(--contrast-color);
  padding: 10px 14px;
  border-radius: var(--radius);
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
  color: var(--contrast-color);
}

.btn {
  border-radius: var(--radius);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 16px;
  letter-spacing: 0;
}

.btn-sm {
  min-height: 36px;
  padding: 8px 12px;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--contrast-color);
}

.btn-primary:hover,
.btn-primary:focus {
  background: #0c7375;
  border-color: #0c7375;
  color: var(--contrast-color);
}

.btn-outline-primary {
  color: var(--accent-color);
  border-color: color-mix(in srgb, var(--accent-color), transparent 40%);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--contrast-color);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
}

.eyebrow,
.card-kicker,
.project-type {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  color: var(--accent-color);
  background: color-mix(in srgb, var(--accent-color), transparent 90%);
  border: 1px solid color-mix(in srgb, var(--accent-color), transparent 70%);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.section,
section {
  color: var(--default-color);
  background-color: var(--background-color);
  padding: 88px 0;
  overflow: clip;
}

.section-title {
  padding-bottom: 42px;
}

.section-title h2 {
  font-size: 2.7rem;
  margin-bottom: 14px;
  padding-bottom: 18px;
  position: relative;
}

.section-title h2::after {
  content: "";
  position: absolute;
  display: block;
  width: 72px;
  height: 4px;
  background: var(--accent-alt);
  left: 0;
  bottom: 0;
  border-radius: 999px;
}

.section-title p {
  color: var(--muted-color);
  max-width: 820px;
  font-size: 1.05rem;
}

.premium-card,
.project-card,
.skill-card,
.achievement-card,
.service-item,
.process-step,
.info-wrap,
.contact-form {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.premium-card {
  padding: 30px;
}

.premium-card h3,
.project-card h3,
.skill-card h3,
.service-item h3,
.process-step h3,
.achievement-card h3 {
  font-size: 1.2rem;
  margin: 12px 0;
}

.premium-card p:last-child,
.project-card p:last-child,
.skill-card p:last-child,
.service-item p:last-child,
.process-step p:last-child,
.achievement-card p:last-child {
  margin-bottom: 0;
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent-alt), transparent 84%);
  color: var(--accent-alt);
  font-size: 1.35rem;
}

.badge-row,
.summary-tags,
.link-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge-row span,
.summary-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #eef5f4;
  border: 1px solid #dbe9e6;
  color: #405056;
  font-size: 0.78rem;
  font-weight: 750;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.metric-grid div,
.hero-metrics div {
  background: #f8fbfb;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 14px;
}

.metric-grid strong,
.hero-metrics strong {
  display: block;
  color: var(--heading-color);
  font-family: var(--heading-font);
  font-size: 1.35rem;
  line-height: 1;
}

.metric-grid span,
.hero-metrics span {
  display: block;
  color: var(--muted-color);
  font-size: 0.83rem;
  margin-top: 6px;
}

.metric-grid.compact {
  margin: 0;
}

.check-list {
  padding: 0;
  margin: 16px 0 22px;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
}

.check-list li::before {
  content: "\F26A";
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--accent-color);
  font-family: bootstrap-icons;
}

/* Header */
.header {
  color: var(--default-color);
  background-color: var(--background-color);
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--header-width);
  padding: 20px 18px;
  overflow-y: auto;
  z-index: 997;
  border-right: 1px solid var(--border-color);
}

.header .profile-img img {
  display: block;
  width: 118px;
  height: 118px;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 6px solid rgba(255, 255, 255, 0.12);
}

.header .logo {
  gap: 8px;
  color: var(--heading-color);
  margin-bottom: 8px;
}

.header .logo img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.header .logo .sitename {
  color: var(--heading-color);
  font-family: var(--heading-font);
  font-size: 1.45rem;
  font-weight: 800;
}

.sidebar-role {
  color: color-mix(in srgb, var(--default-color), transparent 25%);
  font-size: 0.88rem;
  margin-bottom: 18px;
}

.header .social-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 22px;
}

.header .social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: var(--default-color);
  background: rgba(255, 255, 255, 0.08);
}

.header .social-links a:hover,
.header .social-links a:focus {
  background: var(--accent-color);
  color: var(--contrast-color);
}

.navmenu ul {
  list-style: none;
  margin: 0;
  padding: 0 0 16px;
}

.navmenu a,
.navmenu a:focus {
  color: color-mix(in srgb, var(--default-color), transparent 18%);
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius);
  font-family: var(--nav-font);
  font-size: 0.94rem;
  font-weight: 700;
}

.navmenu a .navicon {
  color: color-mix(in srgb, var(--default-color), transparent 45%);
  font-size: 1.05rem;
}

.navmenu a:hover,
.navmenu .active,
.navmenu .active:focus {
  color: var(--contrast-color);
  background: rgba(255, 255, 255, 0.09);
}

.navmenu a:hover .navicon,
.navmenu .active .navicon,
.navmenu .active:focus .navicon {
  color: var(--accent-alt);
}

.header .header-toggle {
  color: var(--contrast-color);
  background-color: var(--accent-color);
  border: 0;
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  position: fixed;
  top: 15px;
  right: 15px;
  z-index: 9999;
  transition: background-color 0.2s ease;
}

.header .header-toggle:hover {
  background-color: #0c7375;
}

@media (min-width: 1200px) {
  .header ~ main,
  .header ~ #footer {
    margin-left: var(--header-width);
  }
}

@media (max-width: 1199px) {
  .header {
    left: -100%;
    transition: left 0.25s ease;
  }

  .header.header-show {
    left: 0;
    box-shadow: var(--shadow-md);
  }
}

/* Hero */
.hero {
  min-height: 94vh;
  position: relative;
  display: flex;
  align-items: center;
  padding: 96px 0 72px;
}

.hero > img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: rgba(8, 14, 20, 0.74);
}

.hero .container {
  position: relative;
  z-index: 3;
}

.hero h1 {
  color: var(--heading-color);
  max-width: 980px;
  margin: 12px 0;
  font-size: 5.2rem;
  line-height: 1.02;
}

.hero-subtitle {
  color: var(--heading-color);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero-subtitle .typed {
  border-bottom: 3px solid var(--accent-alt);
}

.hero-copy {
  max-width: 780px;
  color: color-mix(in srgb, var(--default-color), transparent 8%);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-width: 820px;
}

.hero-metrics div {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
}

.hero-metrics strong,
.hero-metrics span {
  color: var(--heading-color);
}

.hero-metrics span {
  color: color-mix(in srgb, var(--default-color), transparent 12%);
}

@media (max-width: 767px) {
  .hero {
    min-height: auto;
    padding-top: 112px;
  }

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

  .hero-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* About and Summary */
.summary-card h3 {
  font-size: 2.25rem;
  line-height: 1.2;
}

.profile-card {
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.about .content h3 {
  font-size: 1.9rem;
  margin-bottom: 16px;
}

.about .lead {
  color: var(--muted-color);
  font-size: 1.06rem;
}

.profile-list {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
}

.profile-list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.profile-list strong {
  color: var(--heading-color);
}

/* Stats */
.stats .stats-item {
  min-height: 178px;
  padding: 28px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background: var(--surface-color);
  box-shadow: var(--shadow-sm);
}

.stats .stats-item i {
  color: var(--accent-alt);
  display: block;
  font-size: 2rem;
  margin-bottom: 16px;
}

.stats .stats-item .purecounter {
  color: var(--heading-color);
  display: block;
  font-family: var(--heading-font);
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1;
}

.stats .stats-item p {
  color: var(--muted-color);
  margin: 10px 0 0;
}

/* Experience and Resume */
.experience-hero h3 {
  font-size: 2.35rem;
}

.service-demo-links h3 {
  margin-bottom: 18px;
}

.link-cloud a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 7px 13px;
  background: #f8fbfb;
  color: var(--heading-color);
  font-weight: 750;
}

.link-cloud a:hover {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--contrast-color);
}

.resume .resume-title {
  font-size: 1.45rem;
  margin: 0 0 22px;
}

.resume .resume-item {
  position: relative;
  padding: 0 0 24px 24px;
  border-left: 2px solid var(--accent-color);
}

.resume .resume-item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--surface-color);
  border: 3px solid var(--accent-color);
}

.resume .resume-item h4 {
  font-size: 1rem;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.resume .resume-item h5 {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 5px 10px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent-alt), transparent 86%);
  color: #8a3d20;
  font-size: 0.9rem;
  font-weight: 800;
}

.resume .resume-item ul {
  margin-bottom: 0;
  padding-left: 18px;
}

.resume .resume-item li {
  margin-bottom: 8px;
}

/* Featured Products and Portfolio */
.product-feature {
  display: grid;
  grid-template-columns: minmax(170px, 0.85fr) minmax(0, 1.35fr);
  gap: 24px;
  align-items: start;
}

.product-feature img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.portfolio .portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 0;
  margin: 0 auto 28px;
  list-style: none;
}

.portfolio .portfolio-filters li {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 13px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  color: var(--heading-color);
  background: var(--surface-color);
  font-size: 0.85rem;
  font-weight: 800;
  transition: all 0.2s ease;
}

.portfolio .portfolio-filters li:hover,
.portfolio .portfolio-filters li.filter-active {
  color: var(--contrast-color);
  background: var(--accent-color);
  border-color: var(--accent-color);
}

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.project-image {
  display: block;
  overflow: hidden;
  background: #e8eeee;
}

.project-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.project-card:hover img {
  transform: scale(1.04);
}

.project-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
}

.project-body p {
  color: var(--muted-color);
  margin-bottom: 0;
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

/* Contributions, Skills, Process, Achievements, Services */
.contribution-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skill-card {
  padding: 24px;
}

.skill-card h3 {
  margin-top: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}

.process-step {
  position: relative;
  padding: 26px 20px;
}

.process-step > span {
  color: var(--accent-alt);
  font-family: var(--heading-font);
  font-size: 0.86rem;
  font-weight: 800;
}

.process-step i {
  display: block;
  color: var(--accent-color);
  font-size: 1.8rem;
  margin: 12px 0 4px;
}

.process-step p {
  color: var(--muted-color);
  font-size: 0.94rem;
}

.achievement-card {
  padding: 26px;
  border-top: 4px solid var(--accent-alt);
}

.achievement-card strong {
  color: var(--accent-color);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.service-item {
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.service-item .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent-color), transparent 87%);
  color: var(--accent-color);
  font-size: 1.45rem;
  margin-bottom: 14px;
}

.service-item p {
  color: var(--muted-color);
}

/* Testimonials */
.testimonials .testimonial-item {
  height: 100%;
  min-height: 336px;
  text-align: center;
}

.testimonials .testimonial-item p {
  position: relative;
  min-height: 180px;
  margin: 0 0 28px;
  padding: 26px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  font-style: italic;
}

.testimonials .testimonial-item p::after {
  content: "";
  position: absolute;
  left: calc(50% - 14px);
  bottom: -14px;
  width: 28px;
  height: 28px;
  background: var(--surface-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  transform: rotate(45deg);
}

.testimonials .testimonial-item .quote-icon-left,
.testimonials .testimonial-item .quote-icon-right {
  color: color-mix(in srgb, var(--accent-color), transparent 35%);
  font-size: 1.25rem;
}

.testimonials .testimonial-item .testimonial-img {
  width: 84px;
  height: 84px;
  object-fit: cover;
  border-radius: 50%;
  margin: 0 auto 12px;
  border: 4px solid var(--surface-color);
  box-shadow: var(--shadow-sm);
}

.testimonials .testimonial-item h3 {
  font-size: 1.05rem;
  margin: 0 0 4px;
}

.testimonials .testimonial-item h4 {
  color: var(--muted-color);
  font-size: 0.9rem;
  margin: 0;
}

.testimonials .swiper-wrapper {
  height: auto;
}

.testimonials .swiper-pagination {
  margin-top: 34px;
  position: relative;
}

.testimonials .swiper-pagination .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background-color: var(--surface-color);
  border: 1px solid var(--accent-color);
  opacity: 1;
}

.testimonials .swiper-pagination .swiper-pagination-bullet-active {
  background-color: var(--accent-color);
}

/* Contact */
.contact .info-wrap,
.contact .contact-form {
  height: 100%;
  padding: 30px;
}

.contact .info-item {
  gap: 15px;
  margin-bottom: 28px;
}

.contact .info-item:last-child {
  margin-bottom: 0;
}

.contact .info-item i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent-color), transparent 88%);
  color: var(--accent-color);
  font-size: 1.1rem;
}

.contact .info-item h3 {
  font-size: 1rem;
  margin: 0 0 4px;
}

.contact .info-item p {
  margin: 0;
}

.contact .form-label {
  color: var(--heading-color);
  font-weight: 800;
}

.contact .form-control {
  min-height: 46px;
  border-radius: var(--radius);
  border-color: var(--border-color);
  color: var(--default-color);
  background: #fbfdfd;
}

.contact textarea.form-control {
  min-height: 146px;
}

.contact .form-control:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--accent-color), transparent 78%);
}

.map-section {
  padding: 0;
  background: #e8eeee;
}

.map-section iframe {
  display: block;
  width: 100%;
  height: 340px;
  border: 0;
}

/* Footer and Floating Actions */
.footer {
  color: var(--default-color);
  background-color: var(--background-color);
  border-top: 1px solid var(--border-color);
  padding: 34px 0;
}

.footer p {
  margin: 0;
  color: var(--muted-color);
}

.scroll-top {
  position: fixed;
  right: 18px;
  z-index: 9998;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  color: var(--contrast-color);
  box-shadow: var(--shadow-md);
}

.scroll-top {
  bottom: -20px;
  visibility: hidden;
  opacity: 0;
  background: var(--accent-color);
  transition: all 0.25s ease;
}

.scroll-top i {
  font-size: 1.45rem;
  line-height: 0;
}

.scroll-top.active {
  bottom: 18px;
  visibility: visible;
  opacity: 1;
}

.scroll-top:hover,
.scroll-top:focus {
  color: var(--contrast-color);
  background: #0c7375;
}

.whatsapp-float {
  position: fixed;
  right: 25px;
  bottom: 65px;
  z-index: 10001;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  color: #ffffff;
  background: #49e670;
  box-shadow: 0 16px 24px rgba(73, 104, 126, 0.16);
}

.whatsapp-float::before,
.whatsapp-float::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.28), inset 0 0 1px rgba(0, 0, 0, 0.28);
  animation: whatsapp-shockwave 2s ease-out infinite;
  z-index: -1;
}

.whatsapp-float::before {
  animation-delay: 0.8s;
}

.whatsapp-float::after {
  animation-delay: 1.3s;
}

.whatsapp-float i {
  position: relative;
  z-index: 2;
  font-size: 1.75rem;
  line-height: 0;
}

.whatsapp-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  color: #ffffff;
  background: #df1529;
  font-size: 0.62rem;
  font-weight: 800;
  line-height: 1;
}

.whatsapp-tooltip {
  position: absolute;
  top: 50%;
  right: calc(100% + 10px);
  z-index: 4;
  min-width: 150px;
  max-width: 220px;
  padding: 6px 14px;
  border-radius: 10px;
  color: #333333;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translate(-8px, -50%);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.whatsapp-tooltip::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -5px;
  width: 10px;
  height: 10px;
  background: #ffffff;
  transform: translateY(-50%) rotate(45deg);
}

.whatsapp-float:hover,
.whatsapp-float:focus {
  color: var(--contrast-color);
  background: #35cf5f;
}

.whatsapp-float:hover .whatsapp-tooltip,
.whatsapp-float:focus .whatsapp-tooltip {
  opacity: 1;
  transform: translate(0, -50%);
}

@keyframes whatsapp-shockwave {
  0% {
    transform: scale(1);
    opacity: 0.85;
  }

  95% {
    opacity: 0;
    box-shadow: 0 0 50px rgba(73, 230, 112, 0), inset 0 0 30px rgba(73, 230, 112, 0);
  }

  100% {
    transform: scale(2.25);
    opacity: 0;
  }
}

@media screen and (max-width: 768px) {
  [data-aos-delay] {
    transition-delay: 0s !important;
  }

  .section-title h2 {
    font-size: 2.1rem;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

  .summary-card h3,
  .experience-hero h3 {
    font-size: 1.65rem;
  }

  .about .content h3 {
    font-size: 1.5rem;
  }

  .section,
  section {
    padding: 68px 0;
  }

  .section-title {
    padding-bottom: 28px;
  }

  .premium-card,
  .skill-card,
  .achievement-card,
  .service-item,
  .contact .info-wrap,
  .contact .contact-form {
    padding: 22px;
  }

  .profile-list li {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@media (max-width: 991px) {
  .product-feature {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575px) {
  .hero-metrics,
  .metric-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .project-actions .btn,
  .contact .btn {
    width: 100%;
  }

  .scroll-top,
  .whatsapp-float {
    right: 14px;
  }
}