:root {
  --black: #050505;
  --black-soft: #0b0b0b;
  --black-card: #111111;
  --gold: #d3ae58;
  --gold-bright: #e5c26f;
  --gold-dark: #9d7b36;
  --cream: #f4eddc;
  --muted: #aaa59a;
  --border: rgba(211, 174, 88, 0.28);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Arial, Helvetica, sans-serif;
  --container: 1180px;
  --header-height: 88px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 18px);
}

body {
  margin: 0;
  color: var(--cream);
  background:
    radial-gradient(circle at 8% 16%, rgba(211, 174, 88, 0.07), transparent 25rem),
    var(--black);
  font-family: var(--sans);
  line-height: 1.6;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

img,
video,
svg {
  display: block;
}

img,
video {
  max-width: 100%;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

::selection {
  color: var(--black);
  background: var(--gold-bright);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 16px;
  color: var(--black);
  background: var(--gold);
  border-radius: 6px;
  transform: translateY(-150%);
}

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

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: 112px 0;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header.scrolled {
  background: rgba(5, 5, 5, 0.88);
  border-color: rgba(211, 174, 88, 0.15);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand img {
  width: 58px;
  height: 58px;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: 5px;
}

.brand span {
  display: grid;
  line-height: 1.15;
}

.brand strong {
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: 0.03em;
}

.brand small {
  margin-top: 5px;
  color: var(--gold);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 31px;
}

.main-nav > a {
  position: relative;
  color: #d8d3c9;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transition: color 0.25s ease;
}

.main-nav > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.main-nav > a:hover,
.main-nav > a.active {
  color: var(--gold-bright);
}

.main-nav > a:hover::after,
.main-nav > a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.main-nav .nav-cta {
  padding: 12px 18px;
  color: var(--black);
  background: var(--gold);
  border: 1px solid var(--gold);
}

.main-nav .nav-cta:hover {
  color: var(--gold);
  background: transparent;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  cursor: pointer;
}

.menu-toggle span {
  width: 100%;
  height: 1px;
  margin: 5px 0;
  background: var(--gold);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hero {
  min-height: 100svh;
  padding-top: calc(var(--header-height) + 84px);
  padding-bottom: 48px;
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

.hero-orb {
  position: absolute;
  width: 34rem;
  height: 34rem;
  border: 1px solid rgba(211, 174, 88, 0.13);
  border-radius: 50%;
  pointer-events: none;
}

.hero-orb-one {
  top: -17rem;
  right: -10rem;
}

.hero-orb-two {
  right: 22rem;
  bottom: -28rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: clamp(55px, 7vw, 110px);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 13px;
  margin: 0 0 24px;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 38px;
  height: 1px;
  background: currentColor;
}

.hero h1,
.section-heading h2,
.video-copy h2,
.profile-copy h2,
.contact-copy h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  line-height: 0.9;
  letter-spacing: -0.035em;
}

.hero h1 {
  font-size: clamp(4.5rem, 8.2vw, 8.7rem);
}

.hero h1 em,
.section-heading h2 em,
.video-copy h2 em,
.profile-copy h2 em,
.contact-copy h2 em {
  color: var(--gold);
  font-weight: 600;
}

.hero-role {
  margin: 28px 0 7px;
  color: var(--gold-bright);
  font-family: var(--serif);
  font-size: 1.65rem;
  letter-spacing: 0.04em;
}

.hero-location {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-location svg {
  width: 18px;
  fill: var(--gold);
}

.hero-description {
  max-width: 610px;
  margin: 25px 0 0;
  color: #c5c0b5;
  font-size: clamp(1rem, 1.3vw, 1.1rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 35px;
}

.button {
  min-height: 52px;
  padding: 14px 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  border: 1px solid transparent;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button svg {
  width: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-primary {
  color: var(--black);
  background: var(--gold);
  border-color: var(--gold);
}

.button-primary:hover {
  color: var(--gold);
  background: transparent;
}

.button-ghost {
  color: var(--cream);
  border-color: rgba(244, 237, 220, 0.24);
}

.button-ghost:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.button-dark {
  color: var(--gold);
  background: var(--black);
  border-color: var(--black);
}

.button-dark:hover {
  color: var(--black);
  background: transparent;
}

.hero-visual {
  position: relative;
}

.logo-frame {
  position: relative;
  aspect-ratio: 1;
  padding: clamp(16px, 2vw, 26px);
  background:
    linear-gradient(145deg, rgba(211,174,88,0.08), transparent 35%),
    rgba(9, 9, 9, 0.72);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.logo-frame::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(211, 174, 88, 0.12);
  pointer-events: none;
}

.logo-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.corner {
  position: absolute;
  z-index: 2;
  width: 58px;
  height: 58px;
}

.corner-a {
  top: -8px;
  left: -8px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
}

.corner-b {
  right: -8px;
  bottom: -8px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
}

.gold-line {
  position: absolute;
  z-index: -1;
  top: 50%;
  left: -12%;
  width: 124%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: rotate(-8deg);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 70px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.hero-stats > div {
  padding: 23px 30px;
  display: grid;
  gap: 4px;
  border-right: 1px solid var(--border);
}

.hero-stats > div:first-child {
  padding-left: 0;
}

.hero-stats > div:last-child {
  border-right: 0;
}

.hero-stats span {
  color: var(--muted);
  font-size: 0.65rem;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}

.hero-stats strong,
.hero-stats a {
  font-family: var(--serif);
  font-size: 1.32rem;
  font-weight: 600;
}

.hero-stats a {
  color: var(--gold-bright);
}

.topics {
  background:
    linear-gradient(180deg, transparent, rgba(211,174,88,0.025) 45%, transparent),
    var(--black-soft);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 55px;
}

.section-heading h2,
.video-copy h2,
.profile-copy h2,
.contact-copy h2 {
  font-size: clamp(3.8rem, 6vw, 6.5rem);
}

.section-heading > p:last-child {
  max-width: 560px;
  margin: 26px 0 0;
  color: var(--muted);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}

.topic-card {
  position: relative;
  min-height: 300px;
  padding: 30px;
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(211,174,88,0.08), transparent 38%),
    var(--black-card);
  border: 1px solid rgba(211,174,88,0.16);
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.topic-card:hover {
  transform: translateY(-8px);
  border-color: rgba(211,174,88,0.52);
  background:
    linear-gradient(145deg, rgba(211,174,88,0.14), transparent 42%),
    #15130f;
}

.topic-card-wide {
  grid-column: 3 / span 2;
}

.topic-number {
  position: absolute;
  top: 24px;
  right: 27px;
  color: rgba(211, 174, 88, 0.45);
  font-family: var(--serif);
  font-size: 1.25rem;
}

.topic-icon {
  position: absolute;
  top: 41px;
  left: 30px;
  width: 64px;
  height: 64px;
  color: var(--gold);
  opacity: 0.86;
}

.topic-icon svg {
  width: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.topic-card h3 {
  max-width: 240px;
  margin: 0 0 18px;
  font-family: var(--serif);
  font-size: 2.1rem;
  font-weight: 500;
  line-height: 1;
}

.card-line {
  width: 46px;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s ease;
}

.topic-card:hover .card-line {
  width: 100%;
}

.video-section {
  overflow: hidden;
}

.video-section::before {
  content: "SO";
  position: absolute;
  top: 50%;
  right: -2vw;
  color: rgba(211, 174, 88, 0.025);
  font-family: var(--serif);
  font-size: min(42vw, 590px);
  line-height: 0.7;
  transform: translateY(-50%);
  pointer-events: none;
}

.video-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  align-items: center;
  gap: clamp(50px, 8vw, 120px);
}

.video-copy {
  position: relative;
  z-index: 2;
}

.video-identity {
  margin: 35px 0;
  padding: 18px 0;
  display: flex;
  align-items: center;
  gap: 17px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.video-identity img {
  width: 62px;
  height: 62px;
  object-fit: cover;
}

.video-identity div {
  display: grid;
  gap: 4px;
}

.video-identity strong {
  font-family: var(--serif);
  font-size: 1.25rem;
}

.video-identity span {
  color: var(--muted);
  font-size: 0.78rem;
}

.video-stage {
  position: relative;
  width: min(100%, 520px);
  margin-inline: auto;
  display: grid;
  justify-items: center;
}

.video-glow {
  position: absolute;
  inset: 8% 0;
  z-index: -1;
  background: rgba(211, 174, 88, 0.17);
  filter: blur(80px);
}

.video-frame {
  position: relative;
  width: min(100%, 420px);
  padding: 11px;
  background: linear-gradient(145deg, var(--gold-bright), var(--gold-dark));
  box-shadow: var(--shadow);
}

.video-frame::before,
.video-frame::after {
  content: "";
  position: absolute;
  width: 70px;
  height: 70px;
  pointer-events: none;
}

.video-frame::before {
  top: -17px;
  left: -17px;
  border-top: 1px solid var(--gold);
  border-left: 1px solid var(--gold);
}

.video-frame::after {
  right: -17px;
  bottom: -17px;
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
}

.video-frame video {
  width: 100%;
  aspect-ratio: 476 / 848;
  background: #000;
  object-fit: contain;
}

.video-note {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.73rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.profile {
  background: var(--black-soft);
  overflow: hidden;
}

.profile-grid {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  align-items: center;
  gap: clamp(55px, 9vw, 140px);
}

.profile-emblem {
  position: relative;
}

.profile-logo {
  position: relative;
  z-index: 2;
  width: min(100%, 510px);
  padding: 25px;
  background: #080808;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.profile-logo img {
  width: 100%;
}

.profile-word {
  position: absolute;
  right: -75px;
  bottom: -85px;
  color: rgba(211, 174, 88, 0.055);
  font-family: var(--serif);
  font-size: 18rem;
  line-height: 0.8;
}

.profile-role {
  margin: 30px 0 3px;
  color: var(--gold-bright);
  font-family: var(--serif);
  font-size: 1.65rem;
}

.profile-place {
  margin: 0 0 34px;
  color: var(--muted);
}

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.profile-tags span {
  padding: 10px 14px;
  color: #d7d0c2;
  border: 1px solid var(--border);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.timeline-section {
  background:
    radial-gradient(circle at 80% 20%, rgba(211,174,88,0.07), transparent 24rem),
    var(--black);
}

.timeline {
  position: relative;
  max-width: 1010px;
  margin-top: 70px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 250px;
  width: 1px;
  background: linear-gradient(var(--gold), rgba(211,174,88,0.08));
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 215px 70px 1fr;
  min-height: 195px;
}

.timeline-year {
  padding-top: 7px;
  color: var(--gold);
  font-family: var(--serif);
  font-size: 1.45rem;
  letter-spacing: 0.04em;
}

.timeline-dot {
  position: relative;
}

.timeline-dot::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 30px;
  width: 10px;
  height: 10px;
  background: var(--black);
  border: 2px solid var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 0 8px rgba(211,174,88,0.08);
}

.timeline-content {
  padding: 0 0 58px 25px;
}

.timeline-content > span {
  color: var(--muted);
  font-size: 0.64rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.timeline-content h3 {
  margin: 7px 0 10px;
  font-family: var(--serif);
  font-size: clamp(1.85rem, 3vw, 2.65rem);
  font-weight: 500;
  line-height: 1.05;
}

.timeline-content p {
  max-width: 570px;
  margin: 0;
  color: var(--muted);
}

.timeline-content .certificate-number {
  margin-top: 9px;
  color: var(--gold-bright);
}

.certificate {
  padding-top: 20px;
  padding-bottom: 105px;
}

.certificate-card {
  position: relative;
  min-height: 250px;
  padding: clamp(35px, 6vw, 72px);
  display: flex;
  align-items: center;
  gap: 45px;
  overflow: hidden;
  color: var(--black);
  background:
    linear-gradient(120deg, transparent 0 60%, rgba(0,0,0,0.08) 60% 61%, transparent 61%),
    var(--gold);
}

.certificate-mark {
  min-width: 115px;
  font-family: var(--serif);
  font-size: 6rem;
  font-weight: 600;
  line-height: 1;
}

.certificate-card p {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.certificate-card h2 {
  margin: 5px 0;
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 5rem);
  font-weight: 600;
  line-height: 1;
}

.certificate-card span {
  font-weight: 600;
}

.certificate-seal {
  width: 135px;
  margin-left: auto;
  fill: none;
  stroke: rgba(5,5,5,0.55);
  stroke-width: 1.2;
}

.contact {
  background: var(--black-soft);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: clamp(60px, 10vw, 150px);
}

.contact-copy > p:not(.eyebrow) {
  margin: 4px 0;
  color: var(--muted);
}

.contact-copy > p:nth-of-type(2) {
  margin-top: 28px;
}

.contact-card {
  padding: clamp(32px, 5vw, 58px);
  color: var(--black);
  background: var(--gold);
}

.contact-label {
  display: block;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.contact-phone {
  display: block;
  margin: 7px 0 28px;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5.5vw, 5rem);
  font-weight: 600;
  line-height: 1;
}

.social-list {
  margin-top: 35px;
  border-top: 1px solid rgba(5,5,5,0.25);
}

.social-item {
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid rgba(5,5,5,0.18);
}

.social-item span {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.social-item a,
.social-item strong {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
}

.closing {
  padding: 70px 0;
  color: var(--black);
  background: var(--gold-bright);
}

.closing-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 50px;
}

.closing p {
  margin: 0 0 10px;
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}

.closing h2 {
  max-width: 850px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.25rem, 4.4vw, 4.4rem);
  font-weight: 600;
  line-height: 1;
}

.site-footer {
  padding: 70px 0 25px;
  background: #020202;
  border-top: 1px solid rgba(211,174,88,0.14);
}

.footer-grid {
  display: grid;
  grid-template-columns: 170px 1.1fr 1.2fr 0.7fr;
  gap: 55px;
}

.footer-brand img {
  width: 125px;
  height: 125px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.footer-grid strong {
  font-family: var(--serif);
  font-size: 1.35rem;
}

.footer-grid p,
.footer-grid > div a {
  margin: 5px 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-grid > nav {
  display: grid;
  align-content: start;
  gap: 8px;
}

.footer-grid > nav a {
  color: #d6d0c4;
  font-size: 0.8rem;
}

.footer-grid > nav a:hover,
.footer-grid > div a:hover {
  color: var(--gold);
}

.footer-bottom {
  margin-top: 50px;
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  color: #6f6b63;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.whatsapp-float,
.back-to-top {
  position: fixed;
  z-index: 90;
  right: 22px;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s ease;
}

.whatsapp-float {
  bottom: 22px;
  color: var(--black);
  background: var(--gold);
  box-shadow: 0 12px 34px rgba(0,0,0,0.38);
}

.whatsapp-float:hover,
.back-to-top:hover {
  transform: translateY(-4px);
}

.whatsapp-float svg {
  width: 27px;
  fill: currentColor;
}

.back-to-top {
  bottom: 84px;
  color: var(--gold);
  background: var(--black-card);
  border: 1px solid var(--border);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top svg {
  width: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

.reveal.visible {
  animation: revealUp 0.75s ease both;
}

@keyframes revealUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1040px) {
  :root {
    --header-height: 78px;
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    inset: var(--header-height) 0 0;
    padding: 45px 30px;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    background: rgba(5, 5, 5, 0.97);
    backdrop-filter: blur(18px);
    transform: translateX(100%);
    transition: transform 0.35s ease;
  }

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

  .main-nav > a {
    font-family: var(--serif);
    font-size: 2.1rem;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
  }

  .main-nav .nav-cta {
    margin-top: 10px;
    font-family: var(--sans);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

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

  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .hero-grid,
  .video-grid,
  .profile-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: calc(var(--header-height) + 70px);
  }

  .hero-copy {
    max-width: 780px;
  }

  .hero-visual {
    width: min(100%, 620px);
    margin-inline: auto;
  }

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

  .topic-card,
  .topic-card-wide {
    grid-column: auto;
  }

  .topic-card:last-child {
    grid-column: 1 / -1;
  }

  .video-copy {
    max-width: 680px;
  }

  .video-stage {
    margin-top: 15px;
  }

  .profile-emblem {
    width: min(100%, 600px);
  }

  .profile-word {
    right: -20px;
  }

  .profile-copy {
    max-width: 750px;
  }

  .contact-card {
    max-width: 720px;
  }

  .footer-grid {
    grid-template-columns: 150px 1fr 1fr;
  }

  .footer-grid nav {
    grid-column: 2 / -1;
    grid-template-columns: repeat(5, auto);
  }
}

@media (max-width: 740px) {
  .container {
    width: min(calc(100% - 30px), var(--container));
  }

  .section {
    padding: 82px 0;
  }

  .brand span {
    display: none;
  }

  .brand img {
    width: 50px;
    height: 50px;
  }

  .hero h1 {
    font-size: clamp(3.85rem, 19vw, 6rem);
  }

  .hero-role {
    margin-top: 22px;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    margin-top: 48px;
  }

  .hero-stats > div,
  .hero-stats > div:first-child {
    padding: 17px 0;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .hero-stats > div:last-child {
    border-bottom: 0;
  }

  .section-heading h2,
  .video-copy h2,
  .profile-copy h2,
  .contact-copy h2 {
    font-size: clamp(3.1rem, 15vw, 5rem);
  }

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

  .topic-card,
  .topic-card:last-child {
    min-height: 245px;
    grid-column: auto;
  }

  .video-frame {
    width: min(100%, 360px);
  }

  .video-frame::before,
  .video-frame::after {
    width: 45px;
    height: 45px;
  }

  .profile-word {
    right: 0;
    bottom: -45px;
    font-size: 10rem;
  }

  .timeline {
    margin-top: 45px;
  }

  .timeline::before {
    left: 10px;
  }

  .timeline-item {
    grid-template-columns: 36px 1fr;
    min-height: 0;
  }

  .timeline-year {
    grid-column: 2;
    padding: 0 0 8px 10px;
    font-size: 1.25rem;
  }

  .timeline-dot {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .timeline-dot::before {
    top: 6px;
    left: 4px;
  }

  .timeline-content {
    grid-column: 2;
    padding: 0 0 55px 10px;
  }

  .timeline-content h3 {
    font-size: 2rem;
  }

  .certificate {
    padding-top: 0;
  }

  .certificate-card {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .certificate-mark {
    min-width: 0;
    font-size: 4rem;
  }

  .certificate-seal {
    position: absolute;
    right: 20px;
    bottom: 20px;
    width: 86px;
    opacity: 0.55;
  }

  .contact-phone {
    font-size: clamp(2.25rem, 12vw, 4rem);
  }

  .social-item {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .closing-inner {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .whatsapp-float,
  .back-to-top {
    right: 15px;
  }
}

@media (max-width: 410px) {
  .hero h1 {
    font-size: 3.6rem;
  }

  .eyebrow {
    font-size: 0.62rem;
    letter-spacing: 0.18em;
  }

  .section-heading h2,
  .video-copy h2,
  .profile-copy h2,
  .contact-copy h2 {
    font-size: 3rem;
  }

  .contact-card {
    padding: 28px 22px;
  }
}

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

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

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