:root {
  --fg: #000;
  --bg: #fff;
  --accent: #ff69b4;
  --vh: 1vh;
}

@supports (height: 1svh) {
  :root {
    --vh: 1svh;
  }
}

:root {
  --container-w: min(96vw, 1000px);
  --nav-h: clamp(3.2rem, 6.2vh, 4.2rem);
  --gap-xs: clamp(.4rem, 0.8vw, .8rem);
  --gap-sm: clamp(.6rem, 1.4vw, 1.2rem);
  --gap-md: clamp(1rem, 2.2vw, 2rem);
  --gap-lg: clamp(1.6rem, 3.2vw, 3rem);
  --fs-body: clamp(.95rem, .28vw + .92rem, 1.06rem);
  --fs-h1: clamp(1.8rem, 1.4vw + 1.4rem, 2.4rem);
  --fs-h2: clamp(1.4rem, 1.0vw + 1.1rem, 2rem);
  --fs-h3: clamp(1.1rem, .7vw + .95rem, 1.3rem);
  --radius: 1rem;
  --shadow: 0 2px 5px rgba(0, 0, 0, .1);
}

/* Global reset */
* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: 'Zen Maru Gothic', sans-serif;
  color: var(--fg);
  background: var(--bg);
  overflow-x: hidden;
  font-size: var(--fs-body);
}

/* Navbar */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--gap-sm);
  background-color: #fff;
  box-shadow: var(--shadow);
  z-index: 1000;
}

.navbar-inner {
  width: 100%;
  max-width: var(--container-w);
  padding: 0 var(--gap-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  overflow: hidden;
  flex-wrap: nowrap;
}

.navbar h1 {
  margin: 0;
  font-size: clamp(1.2rem, .8vw + 1rem, 1.6rem);
  color: var(--fg);
  cursor: pointer;
  transition: color .2s ease;
}

.menu-toggle {
  font-size: clamp(1.4rem, 1.2vw + 1.1rem, 1.9rem);
  cursor: pointer;
  color: var(--fg);
}

.menu-toggle:hover,
.navbar h1:hover {
  color: var(--accent);
}

/* Popup menu */
#popup-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  width: 100%;
  background: #fff;
  z-index: 999;
  transform: translateY(-100%);
  transition: transform .4s ease, opacity .4s ease;
  pointer-events: none;
  opacity: 0;
}

#popup-menu.active {
  transform: translateY(0%);
  opacity: 1;
  pointer-events: auto;
}

.menu-wrapper {
  width: 100%;
  background: #fff;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
  overflow: hidden;
}

.menu-grid {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--gap-sm);
  padding: var(--gap-sm) var(--gap-sm) calc(var(--gap-xs) * .6);
  text-align: center;
}

.menu-grid button {
  background: #fff;
  padding: clamp(.6rem, 1.6vw, .9rem);
  border-radius: 12px;
  text-decoration: none;
  color: var(--fg);
  font-weight: 700;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid var(--fg);
  transition: transform .25s ease, background .25s ease;
}

.menu-grid button:hover {
  background: #fff0f6;
  transform: translateY(-3px);
}

.menu-grid img {
  width: clamp(36px, 6vw, 48px);
  height: clamp(36px, 6vw, 48px);
  margin-bottom: 4px;
}

/* Content container */
.container {
  padding-top: calc(var(--nav-h) + var(--gap-md));
  max-width: var(--container-w);
  margin: 0 auto;
  min-height: calc(100 * var(--vh) - var(--nav-h) - 3rem);
}

.section {
  display: none;
}

.section.active {
  display: block;
}

/* Slide animations */
#content.slide-out-up {
  animation: slideOutUp .3s forwards;
}

#content.slide-out-down {
  animation: slideOutDown .3s forwards;
}

#content.slide-in-up {
  animation: slideInUp .3s ease-out;
}

#content.slide-in-down {
  animation: slideInDown .3s ease-out;
}

#content {
  touch-action: none;
  overscroll-behavior: contain;
}

@keyframes slideOutUp {
  0% {
    transform: translateY(0);
    opacity: 1;
  }

  100% {
    transform: translateY(-8vh);
    opacity: 0;
  }
}

@keyframes slideOutDown {
  0% {
    transform: translateY(0);
    opacity: 1;
  }

  100% {
    transform: translateY(8vh);
    opacity: 0;
  }
}

@keyframes slideInUp {
  0% {
    transform: translateY(8vh);
    opacity: 0;
  }

  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideInDown {
  0% {
    transform: translateY(-8vh);
    opacity: 0;
  }

  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

#explore-btn {
  position: fixed;
  bottom: clamp(10px, 2.5vh, 24px);
  left: 50%;
  transform: translateX(-50%);
  font-size: clamp(.85rem, .7vw + .7rem, .95rem);
  background: transparent;
  border: none;
  color: #919191;
  cursor: pointer;
  animation: bounce 1.5s infinite;
  z-index: 1000;
  opacity: .85;
}

#explore-btn:hover {
  color: #000;
  opacity: 1;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(6px);
  }
}

body.menu-open #explore-btn {
  display: none !important;
}

/* Home */
.home-section {
  position: relative;
  height: calc(100 * var(--vh));
  background: url('../images/bg.jpg') center/cover no-repeat;
  color: var(--fg);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  padding: 0;
  margin: 0;
}

.home-section .overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, .8);
  z-index: 1;
}

.home-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: var(--gap-md);
  width: 100%;
  max-width: var(--container-w);
  padding: var(--gap-sm);
}

.avatar {
  width: clamp(160px, 26vw, 340px);
  height: clamp(160px, 26vw, 340px);
  flex-shrink: 0;
  margin-left: clamp(0rem, 5vw, 5rem);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid #000;
  box-shadow: 0 0 12px rgba(100, 42, 42, .4);
}

.intro {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.intro .greeting {
  margin: 0;
  font-size: clamp(1rem, .8vw + .9rem, 1.1rem);
  color: #000;
}

.intro .name {
  margin: .2rem 0;
  font-size: clamp(1.8rem, 2.2vw + 1.1rem, 2.8rem);
  font-weight: 800;
  color: #000;
}

.intro .role {
  font-size: clamp(1.1rem, 1.2vw + .7rem, 1.6rem);
  color: #000;
  margin-bottom: 1.2rem;
}

.buttons {
  display: flex;
  gap: var(--gap-sm);
  margin-bottom: 1rem;
}

.btn-outline,
.btn-fill {
  padding: clamp(.5rem, 1.4vw, .75rem) clamp(.9rem, 2.2vw, 1.2rem);
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  transition: all .25s;
  font-size: clamp(.9rem, .4vw + .85rem, 1rem);
}

.btn-outline {
  background: transparent;
  color: #000;
  border: 2px solid #000;
}

.btn-outline:hover {
  background: #000;
  color: #fff;
}

.btn-fill {
  background: #fff;
  color: #000;
  border: 2px solid #fff;
}

.btn-fill:hover {
  background: transparent;
  color: #000;
  border-color: #000;
}

.buttons a {
  text-decoration: none;
}

.socials a {
  margin: 0 .5rem;
  color: #000;
  font-size: clamp(1.2rem, 1.4vw + 1rem, 1.6rem);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(2.2rem, 2.6vw + 1.6rem, 2.8rem);
  height: clamp(2.2rem, 2.6vw + 1.6rem, 2.8rem);
  border: 1px solid #000;
  border-radius: 50%;
  background: #fff;
  transition: transform .25s ease, background .25s ease, color .25s ease;
  text-decoration: none;
}

.socials a:hover {
  background: #000;
  color: #fff;
  transform: scale(1.12);
}

/* About */
.about-section {
  padding: 0 var(--gap-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.heading {
  margin-top: 0;
  font-size: var(--fs-h2);
  margin-bottom: clamp(1rem, 2.4vw, 2.2rem);
  font-weight: 800;
  text-align: center;
}

.about-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(1.2rem, 2.6vw, 2.4rem);
  max-width: calc(var(--container-w) + 100px);
  width: 100%;
}

.about-img img {
  width: clamp(220px, 30vw, 300px);
  border-radius: var(--radius);
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .1);
}

.about-info {
  flex: 1;
  max-width: min(90vw, 50rem);
  display: flex;
  flex-direction: column;
}

.cards {
  display: flex;
  gap: var(--gap-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.card {
  border: 1px solid #ccc;
  padding: clamp(.9rem, 1.8vw, 1.2rem) clamp(1rem, 2.2vw, 1.6rem);
  border-radius: var(--radius);
  flex: 1 1 min(280px, 44vw);
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, .05);
  min-width: 180px;
}

.card i {
  font-size: clamp(1.4rem, 1.8vw, 1.8rem);
  color: #000;
  margin-bottom: .5rem;
}

.about-text {
  font-size: clamp(.95rem, .4vw + .9rem, 1.05rem);
  color: #444;
  line-height: 1.6;
  text-align: left;
}

/* Skills */
#skills {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 var(--gap-sm);
}

#skills .heading {
  font-size: var(--fs-h2);
  font-weight: 800;
  text-align: center;
}

.skills-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(1.2rem, 2.6vw, 2.4rem);
  max-width: calc(var(--container-w) + 100px);
  width: 100%;
}

/* Projects */
#projects {
  position: relative;
  height: calc(100 * var(--vh));
  background: url('../images/br.png') center/cover no-repeat;
  color: var(--fg);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

#projects::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .78);
  z-index: 0;
}

.project-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: clamp(2vh, 5vh, 8vh);
  width: 100%;
  max-width: var(--container-w);
}

.project-content .heading {
  color: #fff;
  font-size: var(--fs-h2);
  font-weight: 800;
  margin-bottom: clamp(1rem, 2.4vw, 2rem);
}

.carousel-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--gap-sm);
}

.carousel-slide {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: clamp(260px, 44vh, 420px);
  text-align: center;
}

.carousel-slide:hover {
  transform: scale(1.02);
  transition: transform .25s ease;
}

.project-img {
  width: clamp(220px, 34vw, 360px);
  height: clamp(220px, 34vw, 360px);
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 0 20px rgba(255, 255, 255, .12);
  transition: transform .25s ease;
}

.project-title {
  font-size: clamp(1.2rem, 1.2vw + 1rem, 1.7rem);
  margin-top: .9rem;
  color: #fff;
  font-weight: 800;
}

.project-caption {
  margin-top: .25rem;
  font-size: clamp(.95rem, .5vw + .85rem, 1.05rem);
  line-height: 1.5;
  color: #fff;
  opacity: .85;
  max-width: min(92vw, 50ch);
}

.nav {
  position: absolute;
  top: 40%;
  transform: translateY(-50%);
  font-size: clamp(1.6rem, 2.6vw + 1rem, 2.2rem);
  background: rgba(255, 255, 255, .2);
  color: #fff;
  border: none;
  border-radius: 30%;
  padding: clamp(.6rem, 1.8vw, 1rem);
  cursor: pointer;
  z-index: 2;
  transition: background .25s ease;
}

.nav:hover {
  background: rgba(255, 255, 255, .35);
}

.nav.prev {
  left: 10%;
}

.nav.next {
  right: 10%;
}

/* Contact  */
.contact-section {
  padding: 0 var(--gap-sm);
  text-align: center;
}

.contact-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .1);
  padding: clamp(1.2rem, 3vw, 2rem) clamp(1.2rem, 3.4vw, 3rem);
  max-width: min(520px, 92vw);
  margin: clamp(1rem, 3vh, 2rem) auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--gap-sm);
}

.contact-icon {
  font-size: clamp(1.6rem, 2.6vw + 1rem, 2.2rem);
  align-self: center;
}

.contact-title {
  text-align: center;
  width: 100%;
  font-size: clamp(1.2rem, 1vw + 1rem, 1.6rem);
  margin-bottom: .5rem;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
}

.contact-list li {
  text-align: center;
  margin-bottom: .4rem;
  font-size: clamp(.95rem, .5vw + .9rem, 1.05rem);
}

.contact-list a {
  color: #333;
  text-decoration: none;
  transition: color .25s ease;
}

.contact-list a:hover {
  color: var(--fg);
}

@media (orientation: portrait) {
  .menu-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .home-content {
    flex-direction: column;
    gap: var(--gap-sm);
  }

  .avatar {
    margin-left: 0;
  }

  .nav.prev {
    left: 6%;
  }

  .nav.next {
    right: 6%;
  }
}

@media (orientation: landscape) and (min-width: 960px) {
  .menu-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .home-content {
    flex-direction: row;
  }
}

@media (max-width: 380px) {
  .menu-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

body {
  overflow-y: hidden;
}