:root {
  --color-bg: #f5efe8;
  --color-bg-strong: #efe3d4;
  --color-surface: #fffdfb;
  --color-surface-alt: #f8f1ea;
  --color-text: #231b1a;
  --color-text-muted: #625652;
  --color-primary: #b76b3d;
  --color-primary-dark: #8f4f2e;
  --color-primary-soft: #efd0b5;
  --color-secondary: #d6a867;
  --color-secondary-deep: #af7f3a;
  --color-border: #e7d9cc;
  --color-ink: #1d1a1a;
  --radius: 16px;
  --container: 1180px;
  --shadow-soft: 0 18px 40px rgba(34, 23, 19, 0.08);
  --shadow-card: 0 24px 44px rgba(34, 23, 19, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(214, 168, 103, 0.12), transparent 26%),
    linear-gradient(180deg, var(--color-bg) 0%, #f9f4ee 100%);
  color: var(--color-text);
  line-height: 1.7;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.narrow {
  max-width: 760px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(35, 27, 26, 0.06);
  box-shadow: 0 12px 30px rgba(35, 27, 26, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--color-text);
  transition: opacity 0.2s ease;
}

.brand:hover,
.brand:focus-visible {
  opacity: 0.92;
}

.brand__logo {
  width: 44px;
  height: 44px;
  display: block;
  border-radius: 50%;
  object-fit: cover;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(181, 103, 58, 0.14);
  padding: 0.15rem;
}

.brand__text {
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--color-ink);
}

.license-notice {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 1rem;
  font-size: 0.76rem;
  line-height: 1.5;
  text-align: center;
}

.license-notice--header {
  padding: 0.1rem 1rem 0.65rem;
  color: var(--color-text-muted);
}

.license-notice--footer {
  margin-top: 1rem;
  padding: 1rem 0 1.25rem;
  color: rgba(255, 255, 255, 0.82);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-nav {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: 1rem 1.25rem 1.35rem;
  background: rgba(255, 255, 255, 0.98);
  border-top: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

.site-nav.is-open {
  display: flex;
  max-height: calc(100vh - 9rem);
  overflow-y: auto;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-link {
  display: block;
  color: var(--color-text-muted);
  padding: 0.75rem 0.2rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active {
  color: var(--color-primary-dark);
  background: rgba(181, 103, 58, 0.08);
  transform: translateY(-2px);
}

.nav-cv {
  margin-top: 0.55rem;
  padding: 0.65rem 1rem;
  color: #ffffff;
  text-align: center;
  white-space: normal;
}

.nav-toggle {
  width: 2.9rem;
  height: 2.9rem;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.28rem;
  padding: 0;
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.nav-toggle span {
  display: block;
  width: 1.2rem;
  height: 2px;
  background: var(--color-text);
  border-radius: 999px;
  transition: all 0.25s ease;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

main {
  min-height: calc(100vh - 150px);
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: url("../Ali-Al-Qarni-Professional-Banner.png") center/cover no-repeat;
  color: #ffffff;
  padding: 4.2rem 0 3.3rem;
}

.hero__video,
.hero__overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__video {
  z-index: 0;
  object-fit: cover;
  object-position: center;
}

.hero__overlay {
  z-index: 1;
  background: linear-gradient(105deg, rgba(30, 22, 18, 0.84), rgba(58, 46, 42, 0.62) 52%, rgba(58, 46, 42, 0.34));
}

.hero__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 800;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.2;
  color: var(--color-text);
  text-wrap: balance;
}

p,
li {
  text-wrap: pretty;
}

.hero h1,
.hero h2,
.hero h3,
.hero p,
.hero .eyebrow,
.hero .hero__title,
.hero .hero__location {
  color: #ffffff;
}

.hero h1 {
  font-size: clamp(2.3rem, 5vw, 4rem);
  margin-bottom: 0.6rem;
}

.hero__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.hero__location {
  margin-bottom: 1.5rem;
  color: rgba(255, 255, 255, 0.82);
}

.lead {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.06rem;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  margin-top: 1.5rem;
}

.cta-line {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  max-width: 32rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.82rem 1.45rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: all 0.2s ease;
  cursor: pointer;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.button--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #ffffff;
  box-shadow: 0 16px 30px rgba(181, 103, 58, 0.28);
  letter-spacing: 0.01em;
}

.button--secondary {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.stat-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 0.9rem;
}

.stat-item {
  min-width: 0;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 1rem 0.95rem;
  backdrop-filter: blur(4px);
}

.stat-item strong {
  display: block;
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 0.2rem;
}

.stat-item span {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.85rem;
  overflow-wrap: anywhere;
}

.hero__media {
  display: flex;
  justify-content: center;
}

.portrait-card {
  width: min(100%, 420px);
  border-radius: 26px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 36px rgba(58, 46, 42, 0.2);
}

.portrait-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.section {
  padding: 4.1rem 0;
}

.section--muted {
  background: rgba(217, 161, 91, 0.06);
}

.section--highlight {
  background: linear-gradient(180deg, rgba(214, 168, 103, 0.12), rgba(251, 247, 242, 0.75));
}

.section-heading {
  margin-bottom: 1.5rem;
}

.certificate-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}

.certificate-intro h2 {
  margin-bottom: 0;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.certificate-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.certificate-preview {
  position: relative;
  aspect-ratio: 1.414 / 1;
  min-height: 0;
  padding: 0.55rem;
  background: #e9dfd5;
  background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.55), transparent 45%), repeating-linear-gradient(0deg, rgba(58, 46, 42, 0.04) 0, rgba(58, 46, 42, 0.04) 1px, transparent 1px, transparent 5px);
}

.certificate-preview--wide {
  aspect-ratio: 16 / 9;
}

.certificate-preview--diploma {
  aspect-ratio: 1.353 / 1;
}

.certificate-preview--portrait {
  aspect-ratio: 0.707 / 1;
}

.certificate-preview::before {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 1;
  padding: 0.3rem 0.55rem;
  border: 1px solid rgba(181, 103, 58, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--color-primary-dark);
  content: "PDF";
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.certificate-preview object {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #ffffff;
  box-shadow: 0 10px 22px rgba(58, 46, 42, 0.14);
}

.certificate-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.25rem;
}

.certificate-type {
  margin: 0 0 0.35rem;
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.certificate-card h3 {
  margin-bottom: 1rem;
  font-size: 1.15rem;
}

.certificate-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: auto;
}

.certificate-actions .button {
  min-height: 2.5rem;
  padding: 0.62rem 0.95rem;
  font-size: 0.86rem;
}

.certificate-download {
  color: var(--color-primary-dark);
  font-size: 0.86rem;
  font-weight: 700;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  margin-bottom: 0.5rem;
}

.expertise-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.expertise-group {
  min-width: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.35rem;
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.expertise-group:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.expertise-group__label {
  margin: 0 0 0.45rem;
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.expertise-group h3 {
  margin-bottom: 0.9rem;
  font-size: 1.2rem;
}

.expertise-group ul {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding-left: 1.1rem;
}

.date-nowrap {
  white-space: nowrap;
}

.cta-band {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: flex-start;
  background: linear-gradient(135deg, rgba(255,255,255,0.92), rgba(248,241,234,0.96));
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 4px);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.page-hero {
  background: linear-gradient(120deg, rgba(22, 18, 18, 0.82), rgba(71, 44, 31, 0.72)), url("../Ali-Al-Qarni-Professional-Banner.png") center/cover no-repeat;
  color: #ffffff;
  padding: 4rem 0 3rem;
}

.page-hero h1 {
  color: #ffffff;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  margin: 0;
}

.about-grid,
.contact-layout,
.info-columns,
.credentials-grid,
.resume-layout {
  display: grid;
  gap: 1.5rem;
}

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

.about-photo-wrap {
  width: min(100%, 280px);
  margin: 0 auto;
  background: var(--color-surface);
  border: 6px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 18px 30px rgba(58, 46, 42, 0.12);
}

.about-photo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
}

.credential-card,
.info-card,
.contact-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(250,246,242,0.98));
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.credential-card:hover,
.info-card:hover,
.contact-card:hover,
.timeline-content:hover,
.resume-block:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-card);
}

.credential-card h3,
.info-card h2,
.contact-card h2 {
  color: var(--color-text);
  margin-bottom: 1rem;
}

.credential-card ul,
.info-card ul,
.contact-list,
.footer-list,
.resume-bullets,
.detail-list {
  margin: 0;
  padding-left: 1.1rem;
}

.credential-card li,
.info-card li,
.contact-list li,
.footer-list li,
.resume-bullets li,
.detail-list li {
  margin-bottom: 0.5rem;
}

.expertise-grid {
  display: grid;
  gap: 1.5rem;
}

.article-index-grid {
  display: grid;
  gap: 1.25rem;
}

.article-index-grid .info-card {
  display: flex;
  flex-direction: column;
}

.article-index-grid .button {
  align-self: flex-start;
  margin-top: auto;
}

.article-page {
  padding-top: 2rem;
}

.article-page h2 {
  margin-top: 2.2rem;
  margin-bottom: 0.65rem;
  font-size: 1.55rem;
}

.article-page p {
  max-width: 70ch;
}

.article-meta {
  color: var(--color-primary-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.info-card h2 {
  font-size: 1.45rem;
}

.timeline {
  position: relative;
  display: grid;
  gap: 1.5rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0.75rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(181, 103, 58, 0.18);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 1rem;
  align-items: flex-start;
}

.timeline-marker {
  position: relative;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 6px rgba(181, 103, 58, 0.12);
  margin-top: 0.45rem;
  z-index: 1;
}

.timeline-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.timeline-date {
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.timeline-content h2 {
  font-size: 1.45rem;
  margin-bottom: 0.2rem;
}

.timeline-content h3 {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.education-block {
  margin-bottom: 1.25rem;
}

.education-title {
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.resume-header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: space-between;
}

.resume-meta {
  color: rgba(255, 255, 255, 0.9);
}

.resume-meta p {
  margin: 0.1rem 0;
}

.resume-sheet {
  padding-top: 1.5rem;
}

.resume-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.35rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.resume-block h2 {
  font-size: 1.5rem;
  margin-bottom: 0.9rem;
}

.resume-layout {
  align-items: start;
}

.resume-role {
  margin-bottom: 1.5rem;
}

.resume-role:last-child {
  margin-bottom: 0;
}

.resume-role h3 {
  color: var(--color-text);
  margin-bottom: 0.2rem;
  font-size: 1.2rem;
}

.role-meta {
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: 0.7rem;
}

.two-column {
  column-count: 2;
  column-gap: 2rem;
  padding-left: 1.2rem;
}

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

.contact-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 1.5rem;
}

.contact-list li {
  margin-bottom: 0.8rem;
}

.field-group {
  margin-bottom: 1rem;
}

.field-group label {
  display: block;
  margin-bottom: 0.45rem;
  font-weight: 700;
  color: var(--color-text);
}

.field-group input,
.field-group textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #ffffff;
  padding: 0.82rem 0.9rem;
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field-group input:focus,
.field-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(181, 103, 58, 0.12);
}

.field-group input.is-invalid,
.field-group textarea.is-invalid {
  border-color: #b42318;
  background: #fff8f7;
}

.error-message {
  display: block;
  min-height: 1.25rem;
  margin-top: 0.35rem;
  color: #b42318;
  font-size: 0.82rem;
}

.form-status {
  min-height: 1.4rem;
  margin: 0.8rem 0 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.form-status--success {
  color: #1f6f43;
}

.form-status--error {
  color: #b42318;
}

.contact-card .button--secondary {
  margin-left: 0.5rem;
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  background: transparent;
}

.site-footer {
  background: #2B2927;
  color: #ffffff;
  padding-top: 2.75rem;
}

.site-footer .brand__text,
.site-footer p,
.site-footer li,
.site-footer a {
  color: #ffffff;
}

.site-footer .brand__logo {
  border-color: rgba(255, 255, 255, 0.35);
  background: #ffffff;
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

.footer-list a,
.footer-list li,
.contact-list a,
.contact-list li {
  color: #ffffff;
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-item {
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(247,239,233,0.95));
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
  box-shadow: 0 12px 22px rgba(58, 46, 42, 0.04);
}

.faq-item h3 {
  margin-bottom: 0.5rem;
  font-size: 1.08rem;
}

.faq-item p {
  margin: 0;
  color: var(--color-text-muted);
}

.brand--footer {
  margin-bottom: 1rem;
}

.site-footer h3 {
  color: #ffffff;
  margin-bottom: 0.8rem;
}

.footer-list {
  list-style: none;
  padding: 0;
}

.footer-list a,
.resume-meta a,
.contact-list a {
  color: #ffffff;
}

.footer-meta {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2rem;
  padding: 1rem 0 2rem;
}

.footer-meta p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

.scroll-top {
  position: fixed;
  right: 1.1rem;
  bottom: 5rem;
  width: 3rem;
  height: 3rem;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #ffffff;
  font-size: 1.4rem;
  font-weight: 700;
  box-shadow: 0 12px 22px rgba(58, 46, 42, 0.18);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
}

.whatsapp-float {
  position: fixed;
  z-index: 1001;
  left: 1.1rem;
  bottom: 1.1rem;
  display: grid;
  width: 3.5rem;
  height: 3.5rem;
  place-items: center;
  border-radius: 50%;
  background: #168a52;
  color: #ffffff;
  box-shadow: 0 12px 22px rgba(20, 72, 47, 0.28);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  transform: translateY(-3px);
  background: #116f41;
}

.whatsapp-float:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 3px;
}

.whatsapp-float svg {
  width: 1.8rem;
  height: 1.8rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 480px) {
  .container {
    width: min(var(--container), calc(100% - 2.5rem));
  }
}

@media (min-width: 768px) {
  .site-nav {
    display: flex;
    position: static;
    background: transparent;
    border: none;
    padding: 0;
    flex-direction: row;
    align-items: center;
    gap: 0.6rem;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
  }

  .nav-toggle {
    display: none;
  }

  .hero__grid {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .about-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .expertise-grid,
  .credentials-grid,
  .info-columns,
  .contact-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-band {
    flex-direction: row;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }

  .article-index-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .nav-cv {
    margin-top: 0;
  }

  .certificate-card h3 {
    min-height: 3.4rem;
  }
}

@media (min-width: 1024px) {
  .nav-link {
    padding: 0.7rem 0.8rem;
  }

  .hero {
    padding-top: 5rem;
    padding-bottom: 4rem;
  }

  .expertise-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .certificate-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .certificate-intro {
    margin-bottom: 2.5rem;
  }

  .contact-layout {
    grid-template-columns: 0.85fr 1.15fr;
  }

  .resume-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .reveal,
  .reveal.is-visible {
    opacity: 1;
    transform: none;
  }

  .container {
    width: min(100% - 1.5rem, var(--container));
  }

  .header-inner {
    min-height: 68px;
  }

  .brand {
    min-width: 0;
  }

  .brand__logo {
    width: 38px;
    height: 38px;
  }

  .brand__text {
    overflow: hidden;
    font-size: 0.98rem;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .site-nav {
    top: 68px;
    padding: 0.75rem 0.9rem 1rem;
  }

  .nav-link {
    padding: 0.65rem 0.45rem;
  }

  .hero,
  .page-hero {
    padding: 3rem 0 2.5rem;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2rem, 11vw, 2.8rem);
    overflow-wrap: normal;
    word-break: normal;
  }

  .hero__title,
  .hero__location,
  .lead,
  .page-hero p {
    font-size: 0.98rem;
  }

  .section {
    padding: 2.8rem 0;
  }

  .stat-grid {
    grid-template-columns: 1fr;
    margin-top: 1.5rem;
  }

  .expertise-list {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }

  .expertise-group {
    padding: 1.1rem;
  }

  .stat-item {
    padding: 0.85rem;
  }

  .button {
    max-width: 100%;
    padding: 0.72rem 1rem;
    text-align: center;
    white-space: normal;
  }

  .certificate-intro {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }

  .certificate-intro h2 {
    font-size: 1.75rem;
  }

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

  .certificate-preview {
    min-height: 0;
    padding: 0.45rem;
  }

  .certificate-card__body {
    padding: 1rem;
  }

  .certificate-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 0.65rem;
  }

  .certificate-actions .button,
  .certificate-download {
    width: 100%;
    text-align: center;
  }

  .contact-card .button--secondary {
    margin-top: 0.65rem;
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .site-footer,
  .scroll-top,
  .nav-toggle,
  .button,
  .hero__actions,
  .page-hero {
    display: none !important;
  }

  body {
    background: #ffffff;
    color: #000000;
  }

  .resume-block,
  .timeline-content,
  .credential-card,
  .info-card,
  .contact-card {
    box-shadow: none !important;
    border-color: #d9d9d9 !important;
  }

  .resume-layout,
  .resume-block {
    display: block !important;
  }

  a {
    color: #000000;
  }
}