/* ========================================
   FONTS — SELF-HOSTED
======================================== */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/Inter-300.woff2') format('woff2');
}

@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/SpaceGrotesk-300.woff2') format('woff2');
}

/* ========================================
   CUSTOM PROPERTIES
======================================== */
:root {
  --black: #050505;
  --dark-01: #0B0B0B;
  --dark-02: #151515;
  --dark-03: #242424;
  --gray-mid: #909090;
  --gray-light: #A0A0A0;
  --gray-soft: #D8D8D8;
  --white-soft: #F2F2F2;
  --white: #FFFFFF;
  --font-title: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --nav-width: 70px;
}

/* ========================================
   RESET
======================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--black);
  color: var(--white-soft);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  cursor: url('assets/img/cursor.webp'), auto;
}

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

a {
  color: inherit;
  text-decoration: none;
  cursor: url('assets/img/click.webp'), pointer;
}

ul, ol {
  list-style: none;
}

button {
  cursor: url('assets/img/click.webp'), pointer;
  border: none;
  background: none;
  font-family: inherit;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

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

/* ========================================
   TYPOGRAPHY
======================================== */
.t-giant {
  font-family: var(--font-title);
  font-size: clamp(3rem, 10vw, 9rem);
  font-weight: 700;
  line-height: 0.9;
  text-transform: uppercase;
  letter-spacing: -0.03em;
}

.t-large {
  font-family: var(--font-title);
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.t-medium {
  font-family: var(--font-title);
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  font-weight: 600;
  line-height: 1.1;
  text-transform: uppercase;
}

.t-small {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-light);
}

.t-micro {
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

.t-body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-light);
}

.t-num {
  font-family: var(--font-title);
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 700;
  line-height: 0.85;
  color: var(--dark-03);
}

/* ========================================
   LAYOUT
======================================== */
.page-content {
  margin-right: var(--nav-width);
}

section {
  position: relative;
  padding: 6rem 4rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section-label {
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 2rem;
}

.section-label span {
  color: var(--white);
}

.divider {
  width: 100%;
  height: 1px;
  background: var(--dark-03);
  margin: 0;
}

/* ========================================
   PLACEHOLDER IMAGES
======================================== */
.placeholder {
  background: var(--dark-02);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 1px solid var(--dark-03);
}

.placeholder-text {
  font-family: var(--font-title);
  font-size: clamp(0.7rem, 1.5vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-mid);
  text-align: center;
  padding: 1rem;
}

.placeholder-cover {
  width: 100%;
  height: 100vh;
  background: var(--dark-01);
}

.placeholder-cover::after {
  content: '';
  position: absolute;
  top: 20%;
  left: 10%;
  width: 80%;
  height: 1px;
  background: var(--dark-03);
}

.placeholder-project {
  width: 100%;
  aspect-ratio: 16/10;
}

.placeholder-case {
  width: 100%;
  aspect-ratio: 16/9;
}

.placeholder-mobile {
  width: 100%;
  aspect-ratio: 9/16;
  max-height: 500px;
}

.placeholder-portrait {
  width: 100%;
  aspect-ratio: 3/4;
}

.img-wrapper {
  position: relative;
  overflow: hidden;
}

.img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: filter 0.6s ease;
}

.img-wrapper:hover img {
  filter: contrast(1.05);
}

/* ========================================
   NAVIGATION — DESKTOP
======================================== */
.nav-desktop {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--nav-width);
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  z-index: 1000;
  background: var(--black);
  border-left: 1px solid var(--dark-02);
}

.nav-desktop a {
  position: relative;
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--gray-mid);
  padding: 0.5rem 0;
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 32px;
}

.nav-desktop a::after {
  content: attr(data-label);
  position: absolute;
  right: calc(100% + 12px);
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-light);
  background: var(--dark-02);
  padding: 4px 10px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  transform: translateX(5px);
}

.nav-desktop a:hover::after {
  opacity: 1;
  transform: translateX(0);
}

.nav-desktop a:hover {
  color: var(--white);
}

.nav-desktop a.active {
  color: var(--white);
}

.nav-desktop a.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 14px;
  background: var(--white);
}

/* ========================================
   NAVIGATION — MOBILE
======================================== */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 48px;
  background: var(--black);
  border-bottom: 1px solid var(--dark-02);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.nav-mobile::-webkit-scrollbar {
  display: none;
}

.nav-mobile a {
  font-family: var(--font-title);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--gray-mid);
  padding: 0.75rem 0.6rem;
  transition: color 0.3s ease;
  flex-shrink: 0;
}

.nav-mobile a.active {
  color: var(--white);
}

/* ========================================
   SECTION 00 — COVER
======================================== */
#sec-00 {
  min-height: 100vh;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
}

.cover-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background: var(--dark-01);
}

.cover-dots {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-image: radial-gradient(circle, var(--gray-mid) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.4;
  pointer-events: none;
}

.cover-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(5,5,5,0.3) 0%, rgba(5,5,5,0.95) 100%);
  z-index: 2;
}

.cover-content {
  position: relative;
  z-index: 3;
  padding: 4rem;
}

.cover-title {
  margin-bottom: 1rem;
}

.cover-title .line-1 {
  font-family: var(--font-title);
  font-size: clamp(3.5rem, 11vw, 11rem);
  font-weight: 700;
  line-height: 0.85;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  display: block;
  color: var(--white);
}

.line-1-ext {
  display: inline;
}

.cover-title .line-2 {
  font-family: var(--font-title);
  font-size: clamp(3.5rem, 11vw, 11rem);
  font-weight: 700;
  line-height: 0.85;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  display: block;
  color: var(--white);
  -webkit-text-stroke: 1px var(--white);
  -webkit-text-fill-color: transparent;
}

.cover-headline {
  font-family: var(--font-body);
  font-size: clamp(0.85rem, 1.5vw, 1.1rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--gray-light);
  margin-bottom: 3rem;
  max-width: 500px;
  line-height: 1.6;
}

.cover-micro {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
}

.cover-micro span {
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

.cover-scroll {
  position: absolute;
  bottom: 2rem;
  left: 4rem;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cover-scroll span {
  font-family: var(--font-body);
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

.cover-scroll-line {
  width: 40px;
  height: 1px;
  background: var(--gray-mid);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleX(0.5); }
  50% { opacity: 1; transform: scaleX(1); }
}

/* ========================================
   SECTION 01 — SOBRE
======================================== */
#sec-01 {
  background: var(--black);
  overflow: hidden;
}

.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.sobre-headline {
  position: relative;
}

.sobre-text {
  padding-top: 1rem;
}

.sobre-text p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray-light);
  margin-bottom: 1.5rem;
}

.sobre-keywords {
  position: absolute;
  top: 0;
  right: -2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sobre-keywords span {
  font-family: var(--font-title);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dark-03);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

/* ========================================
   SECTION 02 — SERVICES
======================================== */
#sec-02 {
  background: var(--dark-01);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 3rem;
}

.service-item {
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--dark-03);
  border-right: 1px solid var(--dark-03);
  position: relative;
  transition: background 0.4s ease;
}

.service-item:nth-child(3n) {
  border-right: none;
}

.service-item:hover {
  background: var(--dark-02);
}

.service-num {
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--dark-03);
  line-height: 1;
  margin-bottom: 1rem;
}

.service-item h3 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  color: var(--white);
}

.service-item p {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--gray-mid);
}

/* ========================================
   SECTION 03 — PORTFOLIO
======================================== */
#sec-03 {
  background: var(--black);
  padding-bottom: 4rem;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 320px 280px 320px;
  gap: 0.5rem;
  margin-top: 3rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  cursor: url('assets/img/click.webp'), pointer;
  background: var(--dark-02);
}

.portfolio-item .img-wrapper {
  width: 100%;
  height: 100%;
}

.portfolio-item:nth-child(1) {
  grid-column: 1 / 2;
  grid-row: 1 / 2;
}

.portfolio-item:nth-child(2) {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
}

.portfolio-item:nth-child(3) {
  grid-column: 3 / 4;
  grid-row: 1 / 2;
}

.portfolio-item:nth-child(4) {
  grid-column: 1 / 2;
  grid-row: 2 / 3;
}

.portfolio-item:nth-child(5) {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
}

.portfolio-item:nth-child(6) {
  grid-column: 3 / 4;
  grid-row: 2 / 3;
}

.portfolio-item:nth-child(7) {
  grid-column: 1 / 2;
  grid-row: 3 / 4;
}

.portfolio-item:nth-child(8) {
  grid-column: 2 / 3;
  grid-row: 3 / 4;
}

.portfolio-item:nth-child(9) {
  grid-column: 3 / 4;
  grid-row: 3 / 4;
}

.portfolio-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(0deg, rgba(5,5,5,0.99) 0%, rgba(5,5,5,0.9) 50%, rgba(5,5,5,0.1) 100%);
  z-index: 2;
}

.portfolio-info h3 {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--white);
  margin-bottom: 0.2rem;
}

.portfolio-info .type {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-light);
  margin-bottom: 0.1rem;
}

.portfolio-info .year {
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--gray-mid);
}

.portfolio-label-top {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
}

.portfolio-label-top span {
  font-family: var(--font-title);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-mid);
  background: var(--black);
  padding: 3px 8px;
  display: inline-block;
}

/* ========================================
   SECTION 04 — CASE STUDIES
======================================== */
#sec-04 {
  background: var(--dark-01);
}

.cases-list {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.case-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--dark-03);
  min-height: 70vh;
}

.case-image {
  position: relative;
  overflow: hidden;
}

.case-image img,
.case-image .placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-content {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-content h3 {
  font-family: var(--font-title);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 2.5rem;
  color: var(--white);
}

.case-detail {
  margin-bottom: 1.5rem;
}

.case-detail-label {
  font-family: var(--font-title);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 0.5rem;
}

.case-detail p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--gray-light);
}

.case-item:nth-child(even) {
  direction: rtl;
}

.case-item:nth-child(even) > * {
  direction: ltr;
}

/* ========================================
   SECTION 05 — PROCESS
======================================== */
#sec-05 {
  background: var(--black);
}

.process-timeline {
  margin-top: 4rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process-step {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 3rem;
  padding: 3rem 0;
  border-top: 1px solid var(--dark-03);
  align-items: start;
}

.process-step-num {
  font-family: var(--font-title);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 0.85;
  color: var(--dark-03);
}

.process-step-content h3 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  color: var(--white);
}

.process-step-content p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--gray-light);
  max-width: 500px;
}

/* ========================================
   SECTION 06 — DETAILS
======================================== */
#sec-06 {
  background: var(--dark-01);
  overflow: hidden;
}

.details-comp {
  position: relative;
  width: 100%;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.details-words {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem 4rem;
  justify-content: center;
  align-items: center;
  max-width: 900px;
}

.details-words span {
  font-family: var(--font-title);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--dark-03);
  transition: color 0.4s ease;
  cursor: default;
}

.details-words span:hover {
  color: var(--white);
}

.details-words span:nth-child(odd) {
  font-size: clamp(1.5rem, 4vw, 3.5rem);
}

.details-words span:nth-child(even) {
  font-size: clamp(1rem, 2.5vw, 2rem);
  font-weight: 400;
  color: var(--dark-03);
}

.details-text {
  margin-top: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.details-text p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray-light);
  text-align: center;
}

/* ========================================
   SECTION 07 — MOBILE
======================================== */
#sec-07 {
  background: var(--black);
}

.mobile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: center;
  margin-top: 3rem;
}

.mobile-mockup {
  position: relative;
  display: flex;
  justify-content: center;
}

.mobile-mockup:nth-child(2) {
  transform: translateY(-2rem);
}

.mobile-frame {
  width: 220px;
  height: 440px;
  border: 2px solid var(--dark-03);
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  background: var(--dark-02);
}

.mobile-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.mobile-frame .placeholder {
  width: 100%;
  height: 100%;
}

.mobile-frame::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--dark-03);
  border-radius: 2px;
  z-index: 3;
}

.mobile-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 3rem;
}

.mobile-keywords span {
  font-family: var(--font-title);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  border: 1px solid var(--dark-03);
  color: var(--gray-light);
  transition: all 0.3s ease;
}

.mobile-keywords span:hover {
  border-color: var(--white);
  color: var(--white);
}

.mobile-text {
  margin-top: 2rem;
  max-width: 500px;
}

.mobile-text p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--gray-light);
}

/* ========================================
   SECTION 08 — ABOUT JOAO
======================================== */
#sec-08 {
  background: var(--dark-01);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image .img-wrapper,
.about-image .placeholder-portrait {
  aspect-ratio: 3/4;
}

.about-text h3 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.about-text p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--gray-light);
  margin-bottom: 1.5rem;
}

.about-label {
  margin-top: 2rem;
}

.about-label span {
  font-family: var(--font-title);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-mid);
  display: block;
  margin-bottom: 0.25rem;
}

.about-album {
  margin-top: 2.5rem;
}

.about-album-label {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  color: var(--white);
}

/* ========================================
   SECTION 09 — APPROACH
======================================== */
#sec-09 {
  background: var(--black);
}

.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 3rem;
  border-top: 1px solid var(--dark-03);
}

.approach-col {
  padding: 3rem;
  border-right: 1px solid var(--dark-03);
}

.approach-col:last-child {
  border-right: none;
}

.approach-col-label {
  font-family: var(--font-title);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.approach-col:first-child .approach-col-label {
  color: var(--gray-mid);
}

.approach-col:last-child .approach-col-label {
  color: var(--white);
}

.approach-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.approach-list span {
  font-family: var(--font-title);
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.approach-col:first-child .approach-list span {
  color: var(--gray-mid);
}

.approach-col:last-child .approach-list span {
  color: var(--white);
}

.approach-end {
  margin-top: 3rem;
  max-width: 600px;
}

.approach-end p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray-light);
}

/* ========================================
   SECTION 10 — CONTACT
======================================== */
#sec-10 {
  background: var(--dark-01);
  min-height: 100vh;
}

.contact-top {
  margin-bottom: 4rem;
}

.contact-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

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

.form-group label {
  display: block;
  font-family: var(--font-title);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--dark-03);
  color: var(--white);
  font-size: 0.95rem;
  transition: border-color 0.3s ease;
  background: transparent;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-mid);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-bottom-color: var(--white);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-bottom-color: #ff4444;
}

.form-group .error-msg {
  font-size: 0.7rem;
  color: #ff4444;
  margin-top: 0.35rem;
  display: none;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.form-group .error-msg.visible {
  display: block;
}

.form-group select {
  appearance: none;
  cursor: url('assets/img/click.webp'), pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23707070' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
}

.form-group select option {
  background: var(--dark-02);
  color: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  border: 1px solid var(--dark-03);
  padding: 0.85rem;
  margin-top: 0.25rem;
}

.form-group textarea:focus {
  border-color: var(--white);
}

.form-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--white);
  padding: 1rem 2.5rem;
  border: none;
  cursor: url('assets/img/click.webp'), pointer;
  transition: all 0.3s ease;
  margin-top: 0.5rem;
}

.form-btn:hover {
  background: var(--gray-soft);
  transform: translateY(-1px);
}

.form-btn:active {
  transform: translateY(0);
}

.form-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.form-btn.loading {
  pointer-events: none;
}

.form-btn.loading::after {
  content: '';
  width: 14px;
  height: 14px;
  border: 2px solid var(--black);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 0.5rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.form-status {
  margin-top: 1rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: none;
}

.form-status.success {
  display: block;
  color: #4caf50;
}

.form-status.error {
  display: block;
  color: #ff4444;
}

.contact-social {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-social-label {
  font-family: var(--font-title);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 0.5rem;
}

.contact-social a {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--dark-03);
  transition: border-color 0.3s ease;
}

.contact-social a:hover {
  border-bottom-color: var(--white);
}

.contact-social a .label {
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
}

.contact-social a .value {
  font-size: 0.85rem;
  color: var(--gray-light);
}

.contact-name {
  margin-top: 2rem;
}

.contact-name span {
  font-family: var(--font-title);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

/* ========================================
   FOOTER
======================================== */
.footer {
  padding: 4rem;
  border-top: 1px solid var(--dark-03);
  background: var(--black);
}

.footer-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 6vw, 5rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-sub {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 2.5rem;
}

.footer-links {
  display: flex;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--gray-light);
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-line {
  width: 100%;
  height: 1px;
  background: var(--dark-03);
  margin-bottom: 1.5rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom span {
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

/* ========================================
   LIGHTBOX
======================================== */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  background: rgba(5, 5, 5, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  cursor: url('assets/img/click.webp'), pointer;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
  overflow: hidden;
}

body.lightbox-open {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.lightbox-inner {
  position: relative;
  width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  cursor: default;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--dark-03) transparent;
}

.lightbox-inner::-webkit-scrollbar {
  width: 6px;
}

.lightbox-inner::-webkit-scrollbar-track {
  background: transparent;
}

.lightbox-inner::-webkit-scrollbar-thumb {
  background: var(--dark-03);
  border-radius: 3px;
}

.lightbox-inner::-webkit-scrollbar-thumb:hover {
  background: var(--gray-mid);
}

.lightbox-inner img {
  width: 100%;
  height: auto;
  display: block;
  cursor: default;
}

.lightbox-close {
  position: sticky;
  top: 0;
  align-self: flex-end;
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-light);
  cursor: url('assets/img/click.webp'), pointer;
  background: var(--black);
  border: none;
  padding: 12px 0;
  transition: color 0.3s ease;
  z-index: 2;
}

.lightbox-close:hover {
  color: var(--white);
}

.lightbox-info {
  padding: 1.5rem 0;
  text-align: left;
  flex-shrink: 0;
}

.lightbox-info h4 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.lightbox-info span {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

/* ========================================
   SECTION 04 — CASE STUDIES (STICKY)
======================================== */
#sec-04 {
  background: var(--dark-01);
  padding-bottom: 0;
}

.cases-sticky-wrapper {
  margin-top: 3rem;
  position: relative;
}

.case-card {
  position: sticky;
  top: 80px;
  min-height: 85vh;
  background: var(--black);
  border: 1px solid var(--dark-03);
  margin-bottom: 0;
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s ease, filter 0.5s ease;
  z-index: 1;
}

.case-card:nth-child(1) {
  top: 80px;
  z-index: 3;
}

.case-card:nth-child(2) {
  top: 95px;
  z-index: 4;
}

.case-card:nth-child(3) {
  top: 110px;
  z-index: 5;
}

.case-card.card-past {
  transform: scale(0.96);
  opacity: 0.5;
  filter: brightness(0.7);
}

.case-card.card-active {
  transform: scale(1);
  opacity: 1;
  filter: brightness(1);
}

.case-header {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 2rem;
  grid-column: 1 / -1;
}

.case-num {
  font-family: var(--font-title);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 0.85;
  color: var(--dark-03);
}

.case-header-text h3 {
  font-family: var(--font-title);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1;
  color: var(--white);
  margin-bottom: 0.35rem;
}

.case-header-text .case-meta {
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

.case-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.case-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-card-image .placeholder {
  width: 100%;
  height: 100%;
}

.case-card-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-top: 0.5rem;
}

.case-card-details .case-detail-label {
  font-family: var(--font-title);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 0.35rem;
}

.case-card-details p {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--gray-light);
}

.case-card-link {
  margin-top: 1rem;
}

.case-card-link a {
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--dark-03);
  transition: border-color 0.3s ease;
}

.case-card-link a:hover {
  border-color: var(--white);
}

/* ========================================
   REVEAL ANIMATIONS
======================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
  .cover-scroll-line {
    animation: none;
  }
}

/* ========================================
   RESPONSIVE — TABLET
======================================== */
@media (max-width: 992px) {
  :root {
    --nav-width: 0px;
  }

  .nav-desktop {
    display: none;
  }

  .nav-mobile {
    display: flex;
  }

  .page-content {
    margin-right: 0;
    padding-top: 48px;
  }

  section {
    padding: 4rem 2rem;
  }

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

  .sobre-keywords {
    display: none;
  }

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

  .service-item:nth-child(3n) {
    border-right: none;
  }

  .service-item:nth-child(2n) {
    border-right: none;
  }

  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: 240px 220px 240px;
  }

  .portfolio-item:nth-child(1),
  .portfolio-item:nth-child(2),
  .portfolio-item:nth-child(3),
  .portfolio-item:nth-child(4),
  .portfolio-item:nth-child(5),
  .portfolio-item:nth-child(6),
  .portfolio-item:nth-child(7),
  .portfolio-item:nth-child(8),
  .portfolio-item:nth-child(9) {
    grid-column: auto;
    grid-row: auto;
  }

  .case-item {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .case-item:nth-child(even) {
    direction: ltr;
  }

  .case-image {
    height: 300px;
  }

  .process-step {
    grid-template-columns: 80px 1fr;
    gap: 1.5rem;
  }

  .mobile-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .mobile-mockup:nth-child(2) {
    transform: none;
  }

  .mobile-frame {
    width: 200px;
    height: 400px;
  }

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

  .about-image {
    max-width: 350px;
  }

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

  .approach-col {
    border-right: none;
    border-bottom: 1px solid var(--dark-03);
    padding: 2rem;
  }

  .approach-col:last-child {
    border-bottom: none;
  }

  .contact-form-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .cover-content {
    padding: 2rem;
  }

  .cover-scroll {
    left: 2rem;
  }

  .case-card {
    grid-template-columns: 1fr;
    min-height: 75vh;
    padding: 2rem;
    gap: 2rem;
  }

  .case-card:nth-child(1) { top: 60px; }
  .case-card:nth-child(2) { top: 72px; }
  .case-card:nth-child(3) { top: 84px; }

  .case-header {
    flex-direction: column;
    gap: 0.5rem;
  }

  .footer {
    padding: 3rem 2rem;
  }
}

/* ========================================
   RESPONSIVE — MOBILE
======================================== */
@media (max-width: 580px) {
  section {
    padding: 3rem 1.25rem;
  }

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

  .service-item {
    border-right: none;
  }

  .portfolio-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: repeat(4, 200px);
  }

  .portfolio-item:nth-child(1),
  .portfolio-item:nth-child(2),
  .portfolio-item:nth-child(3),
  .portfolio-item:nth-child(4),
  .portfolio-item:nth-child(5),
  .portfolio-item:nth-child(6),
  .portfolio-item:nth-child(7),
  .portfolio-item:nth-child(8) {
    grid-column: auto;
    grid-row: auto;
  }

  .portfolio-item:nth-child(9) {
    display: none;
  }

  .process-step {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .process-step-num {
    font-size: 2.5rem;
  }

  .details-words {
    gap: 1.5rem 2rem;
  }

  .mobile-frame {
    width: 170px;
    height: 340px;
  }

  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }

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

  .cover-content {
    padding: 1.5rem;
  }

  .cover-micro {
    margin-bottom: 3rem;
  }

  .line-1-ext {
    display: block;
  }

  .cover-scroll {
    left: 1.25rem;
    bottom: 1.5rem;
  }

  .cover-dots {
    background-size: 18px 18px;
  }

  .case-card {
    min-height: 70vh;
    padding: 1.5rem;
    gap: 1.5rem;
  }

  .case-card:nth-child(1) { top: 52px; }
  .case-card:nth-child(2) { top: 60px; }
  .case-card:nth-child(3) { top: 68px; }

  .case-num {
    font-size: 2.5rem;
  }

  .lightbox-inner {
    width: 95vw;
    height: 80vh;
  }

  .lightbox-info h4 {
    font-size: 0.85rem;
  }

  .footer {
    padding: 2.5rem 1.25rem;
  }
}