:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --muted-surface: #f0f0ed;
  --ink: #151515;
  --muted: #666660;
  --line: #d8d8d2;
  --dark: #171717;
  --dark-muted: #b8b8b1;
  --max: 1160px;
  --radius: 18px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
.container {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}
.section {
  padding: 108px 0;
}
.section-border {
  border-top: 1px solid var(--line);
}
.section-muted {
  background: var(--muted-surface);
  border-block: 1px solid var(--line);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 247, 245, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(216, 216, 210, 0.85);
}
.nav-wrap {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.brand {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.04em;
}
.brand span {
  color: #777770;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 650;
}
.main-nav a {
  color: #4f4f49;
  transition: color 0.2s ease;
}
.main-nav a:hover {
  color: var(--ink);
}
.nav-resume {
  padding: 9px 15px;
  border: 1px solid #bdbdb6;
  border-radius: 999px;
  color: var(--ink) !important;
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  padding: 9px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--ink);
  margin: 6px auto;
}

.hero {
  padding-top: 124px;
  padding-bottom: 122px;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(300px, 0.7fr);
  align-items: end;
  gap: 90px;
}
.eyebrow {
  margin: 0 0 20px;
  font-size: 13px;
  line-height: 1.2;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: #64645e;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  max-width: 850px;
  margin-bottom: 30px;
  font-size: clamp(48px, 7vw, 84px);
  line-height: 0.99;
  letter-spacing: -0.06em;
  font-weight: 720;
}
h2 {
  max-width: 790px;
  margin-bottom: 24px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.045em;
  font-weight: 700;
}
h3 {
  margin-bottom: 8px;
  font-size: 23px;
  line-height: 1.2;
  letter-spacing: -0.025em;
}
.hero-intro {
  max-width: 720px;
  margin-bottom: 34px;
  color: #55554f;
  font-size: 20px;
  line-height: 1.55;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 750;
  transition: transform 0.2s ease, background 0.2s ease;
}
.button:hover {
  transform: translateY(-2px);
}
.button-dark {
  background: var(--ink);
  color: white;
}
.button-light {
  background: transparent;
}
.hero-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 34px;
  font-size: 14px;
  font-weight: 700;
  color: #55554f;
}
.hero-links a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.hero-panel {
  padding: 30px 0 0 30px;
  border-left: 1px solid var(--line);
}
.panel-label,
.card-label,
.project-number {
  color: #73736c;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
}
.snapshot-list {
  margin: 0;
}
.snapshot-list > div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}
.snapshot-list dt {
  color: #6b6b64;
}
.snapshot-list dd {
  margin: 0;
  font-weight: 750;
  text-align: right;
}
.availability {
  margin: 23px 0 0;
  font-size: 14px;
  color: #6a6a64;
}

.section-heading {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  column-gap: 48px;
  margin-bottom: 58px;
}
.section-heading .eyebrow {
  grid-row: 1 / span 2;
  margin-top: 9px;
}
.section-heading h2 {
  margin-bottom: 16px;
}
.section-heading > p:last-child {
  max-width: 690px;
  margin-bottom: 0;
  color: var(--muted);
}

.project-row {
  display: grid;
  grid-template-columns: 1.25fr 0.9fr;
  gap: 70px;
  align-items: center;
  padding: 38px 0 76px;
  border-bottom: 1px solid var(--line);
}
.project-image {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #111;
}
.project-image img,
.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.project-image-large {
  aspect-ratio: 1.7 / 1;
}
.project-content h3 {
  margin: 10px 0 18px;
  font-size: 39px;
  letter-spacing: -0.04em;
}
.project-summary {
  color: #55554f;
  font-size: 18px;
}
.tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.tags span {
  padding: 6px 10px;
  border: 1px solid #cfcfc8;
  border-radius: 999px;
  color: #55554f;
  font-size: 12px;
  font-weight: 700;
}
.project-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 26px;
  font-size: 14px;
  font-weight: 780;
}
.project-links a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  padding-top: 44px;
}
.project-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.project-thumb {
  aspect-ratio: 2.15 / 1;
  overflow: hidden;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.project-card:nth-child(1) .project-thumb {
  background: #222629;
}
.project-card:nth-child(2) .project-thumb {
  background: #000;
}
.project-card:nth-child(3) .project-thumb {
  background: #0754ed;
}
.project-card-body {
  padding: 28px 30px 30px;
}
.project-card-body h3 {
  margin: 8px 0 12px;
  font-size: 28px;
}
.project-card-body > p:not(.project-number) {
  min-height: 82px;
  color: var(--muted);
}

.experience-list {
  border-top: 1px solid #c6c6bf;
}
.experience-row {
  display: grid;
  grid-template-columns: 1.15fr 0.8fr auto;
  gap: 28px;
  padding: 34px 0 36px;
  border-bottom: 1px solid #c6c6bf;
}
.experience-row h3 {
  margin-bottom: 5px;
}
.experience-row > div:first-child p,
.experience-location,
.experience-row time {
  margin: 0;
  color: #66665f;
  font-size: 14px;
}
.experience-row time {
  white-space: nowrap;
  text-align: right;
  font-weight: 750;
  color: var(--ink);
}
.experience-desc {
  grid-column: 1 / -1;
  max-width: 900px;
  margin: 0;
  color: #54544e;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}
.skill-group {
  padding: 28px 34px 30px 0;
  border-bottom: 1px solid var(--line);
}
.skill-group:nth-child(odd) {
  border-right: 1px solid var(--line);
  padding-right: 42px;
}
.skill-group:nth-child(even) {
  padding-left: 42px;
}
.skill-group h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.skill-group p {
  margin: 0;
  color: var(--muted);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 88px;
  align-items: start;
}
.about-photo {
  overflow: hidden;
  max-width: 390px;
  border-radius: var(--radius);
  background: #ecece8;
  border: 1px solid var(--line);
}
.about-photo img {
  width: 100%;
  aspect-ratio: 0.88 / 1;
  object-fit: cover;
  object-position: center top;
}
.about-copy > p:not(.eyebrow) {
  max-width: 760px;
  color: #55554f;
  font-size: 18px;
}
.education-card {
  margin-top: 38px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.education-card h3 {
  margin: 8px 0 6px;
}
.education-card p {
  margin-bottom: 4px !important;
  font-size: 15px !important;
  color: #5d5d57 !important;
}

.section-dark {
  background: var(--dark);
  color: white;
}
.section-heading-light .eyebrow,
.section-heading-light > p:last-child {
  color: var(--dark-muted);
}
.quotes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.quote {
  margin: 0;
  padding: 34px;
  border: 1px solid #3a3a3a;
  border-radius: var(--radius);
}
.quote p {
  margin-bottom: 28px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  line-height: 1.48;
}
.quote footer {
  color: var(--dark-muted);
  font-size: 13px;
  font-weight: 700;
}

.contact-section {
  padding-top: 118px;
  padding-bottom: 118px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 80px;
  align-items: end;
}
.contact-grid > div:first-child > p:last-child {
  max-width: 650px;
  color: var(--muted);
}
.contact-actions {
  padding-bottom: 8px;
}
.contact-email {
  display: inline-block;
  margin-bottom: 25px;
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 720;
  letter-spacing: -0.03em;
  border-bottom: 1px solid var(--ink);
}
.contact-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 14px;
  font-weight: 750;
  color: #585852;
}
.site-footer {
  border-top: 1px solid var(--line);
}
.footer-inner {
  min-height: 82px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: #66665f;
  font-size: 13px;
}
.footer-inner p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 900px) {
  .container {
    width: min(calc(100% - 34px), var(--max));
  }
  .section {
    padding: 82px 0;
  }
  .nav-toggle {
    display: block;
  }
  .main-nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 22px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
  }
  .main-nav.is-open {
    display: flex;
  }
  .main-nav a {
    padding: 12px 0;
  }
  .nav-resume {
    border: 0;
    padding: 12px 0;
    border-radius: 0;
  }
  .hero {
    padding-top: 88px;
  }
  .hero-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .hero-panel {
    max-width: 570px;
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .section-heading {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .section-heading .eyebrow {
    grid-row: auto;
  }
  .project-row {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .experience-row {
    grid-template-columns: 1fr auto;
    gap: 6px 20px;
  }
  .experience-location {
    grid-column: 1;
  }
  .experience-row time {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
  .experience-desc {
    margin-top: 14px;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 16px;
  }
  .container {
    width: min(calc(100% - 28px), var(--max));
  }
  .section {
    padding: 68px 0;
  }
  .hero {
    padding-top: 68px;
    padding-bottom: 78px;
  }
  h1 {
    font-size: clamp(43px, 14vw, 60px);
  }
  h2 {
    font-size: 36px;
  }
  .hero-intro {
    font-size: 18px;
  }
  .project-grid,
  .skills-grid,
  .quotes-grid {
    grid-template-columns: 1fr;
  }
  .project-card-body > p:not(.project-number) {
    min-height: 0;
  }
  .skill-group,
  .skill-group:nth-child(odd),
  .skill-group:nth-child(even) {
    padding: 24px 0;
    border-right: 0;
  }
  .experience-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .experience-row time {
    grid-column: 1;
    grid-row: auto;
    text-align: left;
    margin-top: 5px;
  }
  .experience-desc {
    margin-top: 12px;
  }
  .about-photo {
    max-width: 320px;
  }
  .quote {
    padding: 26px;
  }
  .quote p {
    font-size: 21px;
  }
  .contact-email {
    font-size: 20px;
    overflow-wrap: anywhere;
  }
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 22px 0;
  }
}

/* Final polish: compact desktop rhythm, custom ZR identity, AI section, feedback carousel and WhatsApp */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0;
  line-height: 1;
}
.brand-mark {
  width: 72px;
  height: 48px;
  display: grid;
  place-items: center;
}
.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.brand-name {
  position: relative;
  /* top: 7px; */
  color: var(--ink);
  font-size: 15px;
  font-weight: 780;
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
}

/* Keep more useful content visible without making the layout cramped. */
.section {
  padding: 84px 0;
}
.hero {
  padding-top: 94px;
  padding-bottom: 88px;
}
.hero-grid {
  gap: 72px;
}
.section-heading {
  margin-bottom: 42px;
}
.project-row {
  padding: 24px 0 54px;
  gap: 58px;
}
.project-grid {
  gap: 24px;
  padding-top: 34px;
}
.project-card-body {
  padding: 24px 26px 26px;
}
.experience-row {
  padding: 28px 0 30px;
}
.skill-group {
  padding-top: 23px;
  padding-bottom: 24px;
}
.contact-section {
  padding-top: 84px;
  padding-bottom: 84px;
}

/* Natural portrait: crop with CSS only, no smoothing or synthetic retouching. */
.about-photo {
  max-width: 370px;
}
.about-photo img {
  aspect-ratio: 0.84 / 1;
  object-fit: cover;
  object-position: 50% 22%;
}

.ai-section {
  border-block: 1px solid var(--line);
}
.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}
.ai-card {
  min-width: 0;
  padding: 28px 30px 8px 0;
  border-bottom: 1px solid var(--line);
}
.ai-card + .ai-card {
  padding-left: 30px;
  border-left: 1px solid var(--line);
}
.ai-index {
  display: inline-block;
  margin-bottom: 16px;
  color: #777770;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}
.ai-card h3 {
  margin-bottom: 10px;
  font-size: 20px;
}
.ai-card p {
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.feedback-section {
  overflow: hidden;
}
.feedback-heading {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: end;
  margin-bottom: 34px;
}
.feedback-heading .eyebrow {
  color: var(--dark-muted);
}
.feedback-heading h2 {
  margin-bottom: 0;
}
.feedback-controls {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.feedback-arrow {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid #444;
  border-radius: 999px;
  background: transparent;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.feedback-arrow:hover {
  background: #2a2a2a;
  border-color: #676767;
}
.feedback-viewport {
  overflow: hidden;
}
.feedback-track {
  position: relative;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 36px) / 3);
  gap: 18px;
  overflow: visible;
  align-items: start;
  padding-bottom: 8px;
  transform: translate3d(calc(0px - var(--feedback-offset, 0px)), 0, 0);
  transition: transform 0.75s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: transform;
}
.feedback-track::after {
  content: "";
  width: calc((100% - 36px) / 3);
}
.feedback-card {
  margin: 0;
  padding: 28px;
  border-radius: var(--radius);
  background: #1c1c1c;
}
.feedback-author {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 22px;
}
.feedback-author img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid #4d4d4d;
}
.feedback-author strong,
.feedback-author span {
  display: block;
}
.feedback-author strong {
  color: #fff;
  font-size: 14px;
}
.feedback-author span {
  margin-top: 1px;
  color: var(--dark-muted);
  font-size: 12px;
}
.feedback-card p {
  margin: 0;
  color: #f1f1ed;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 19px;
  line-height: 1.55;
}

.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 60;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  box-shadow: 0 9px 30px rgba(0, 0, 0, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.whatsapp-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.24);
}
.whatsapp-float img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
}

@media (max-width: 1060px) {
  .main-nav {
    gap: 20px;
  }
  .brand-name {
    display: none;
  }
}

@media (max-width: 900px) {
  .section {
    padding: 68px 0;
  }
  .hero {
    padding-top: 72px;
    padding-bottom: 72px;
  }
  .ai-grid {
    grid-template-columns: 1fr;
  }
  .ai-card,
  .ai-card + .ai-card {
    padding: 24px 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }
  .feedback-track {
    grid-auto-columns: calc((100% - 18px) / 2);
  }
  .feedback-track::after {
    display: none;
  }
}

@media (max-width: 680px) {
  .section {
    padding: 56px 0;
  }
  .hero {
    padding-top: 54px;
    padding-bottom: 58px;
  }
  .section-heading {
    margin-bottom: 32px;
  }
  .project-row {
    padding-top: 12px;
    padding-bottom: 42px;
  }
  .feedback-heading {
    align-items: center;
    margin-bottom: 24px;
  }
  .feedback-heading h2 {
    font-size: 32px;
  }
  .feedback-track {
    grid-auto-columns: 86%;
    gap: 14px;
  }
  .feedback-track::after {
    width: 86%;
  }
  .feedback-card {
    min-height: 0;
    padding: 22px;
  }
  .feedback-card p {
    font-size: 18px;
  }
  .feedback-controls {
    display: none;
  }
  .about-photo {
    max-width: 100%;
  }
  .whatsapp-float {
    right: 16px;
    bottom: 16px;
    width: 50px;
    height: 50px;
  }
}