:root {
  --deep: #218dae;
  --cyan: #2db5ce;
  --sand: #ffe69a;
  --gold: #ffd95a;

  --c-hero: #1f81a6;
  --c-about: #ffe9a5;
  --c-skills: #e4f5fa;
  --c-bars: #d2eef5;
  --c-proy: #f1fafd;
  --c-sert: #ffe29e;
  --c-time: #dff1f6;
  --c-contact: #1f81a6;
  --c-gall: #cdeaf2;

  --ink: #10394d;
  --ink-soft: rgba(16, 57, 77, 0.78);
  --ink-faint: rgba(16, 57, 77, 0.55);

  --card-bg: rgba(255, 255, 255, 0.88);
  --card-border: rgba(255, 255, 255, 0.95);
  --card-shadow: 0 12px 32px rgba(23, 98, 128, 0.12);
  --card-shadow-hover: 0 22px 44px rgba(23, 98, 128, 0.22);

  --nav-bg: rgba(255, 255, 255, 0.62);
  --nav-ink: #10394d;
  --nav-soft: rgba(16, 57, 77, 0.72);
  --nav-panel: rgba(255, 255, 255, 0.94);

  --chrome-bg: #e8f2f6;
  --chrome-bar: #f8fcfd;
  --chrome-text: #5b8296;

  --c-mid: rgba(45, 181, 206, 0.42);
  --c-back: rgba(45, 181, 206, 0.2);
  --c-foam: rgba(255, 255, 255, 0.6);

  --shim: rgba(255, 255, 255, 0.09);
  --creature-tint: #1f7fa0;

  --wave-big: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 600 120' preserveAspectRatio='none'%3E%3Cpath d='M0,0 L0,58 C80,18 190,14 300,52 C410,90 520,92 600,58 L600,0 Z' fill='%23000'/%3E%3C/svg%3E");
  --wave-soft: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 600 120' preserveAspectRatio='none'%3E%3Cpath d='M0,0 L0,68 C100,42 200,38 300,64 C400,90 500,86 600,68 L600,0 Z' fill='%23000'/%3E%3C/svg%3E");
  --wave-low: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 600 120' preserveAspectRatio='none'%3E%3Cpath d='M0,0 L0,78 C90,60 210,60 300,78 C390,96 510,96 600,78 L600,0 Z' fill='%23000'/%3E%3C/svg%3E");
  --wave-foam: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 600 120' preserveAspectRatio='none'%3E%3Cpath d='M0,40 C50,32 100,48 160,42 C220,36 270,52 330,44 C390,38 440,50 500,42 C540,36 570,46 600,40 L600,60 C560,66 520,54 470,62 C420,68 370,54 310,62 C250,68 200,56 140,62 C90,66 40,54 0,60 Z' fill='%23000'/%3E%3C/svg%3E");
  --svg-underline: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 6'%3E%3Cpath d='M0,3C3,0,6,0,9,3C12,6,15,6,18,3' fill='none' stroke='%232DB5CE' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  --svg-fish: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 30'%3E%3Cpath d='M56 15C46 4 27 2 16 9L3 15L16 21C27 28 46 26 56 15Z'/%3E%3C/svg%3E");
  --svg-fish-l: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 30'%3E%3Cpath d='M4 15C14 4 33 2 44 9L57 15L44 21C33 28 14 26 4 15Z'/%3E%3C/svg%3E");
  --svg-whale: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 48'%3E%3Cpath d='M112 24C106 14 92 7 78 7C74 7 70 8 67 10C64 4 58 2 53 3C55 6 56 9 55 12C48 14 41 17 37 21L10 10C15 16 18 20 18 24C18 28 15 32 10 38L37 27C45 34 60 40 76 40C92 40 106 33 112 24Z' fill='%23000'/%3E%3C/svg%3E");
  --svg-jelly: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 56'%3E%3Cpath d='M20 3C30 3 37 9 37 17C37 23 32 26 27 26C24.5 26 22 24.5 20 24.5C17.5 24.5 15.5 26 13 26C8 26 3 23 3 17C3 9 10 3 20 3Z'/%3E%3Cpath d='M11 27C10 33 14 35 12.5 41' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round'/%3E%3Cpath d='M20 28C19 34 23 37 21 45' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round'/%3E%3Cpath d='M29 27C30 33 26 35 27.5 41' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round'/%3E%3C/svg%3E");
}

[data-theme="dark"] {
  --deep: #116b82;
  --cyan: #7dd3e8;
  --sand: #b89b52;
  --gold: #b89b52;

  --c-hero: #082f49;
  --c-about: #2a2410;
  --c-skills: #0c2534;
  --c-bars: #0a2130;
  --c-proy: #0c2b3a;
  --c-sert: #27210e;
  --c-time: #0a2331;
  --c-contact: #061a2b;
  --c-gall: #0b2533;

  --ink: #ddf7ff;
  --ink-soft: rgba(221, 247, 255, 0.72);
  --ink-faint: rgba(221, 247, 255, 0.48);

  --card-bg: rgba(125, 211, 232, 0.06);
  --card-border: rgba(125, 211, 232, 0.14);
  --card-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  --card-shadow-hover: 0 22px 44px rgba(0, 0, 0, 0.55);

  --nav-bg: rgba(6, 26, 43, 0.55);
  --nav-ink: #ddf7ff;
  --nav-soft: rgba(221, 247, 255, 0.7);
  --nav-panel: rgba(8, 35, 52, 0.96);

  --chrome-bg: #10293a;
  --chrome-bar: #0b2231;
  --chrome-text: #7fa8bb;

  --c-mid: rgba(17, 107, 130, 0.5);
  --c-back: rgba(17, 107, 130, 0.24);
  --c-foam: rgba(221, 247, 255, 0.42);

  --shim: rgba(125, 211, 232, 0.07);
  --creature-tint: #7dd3e8;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--ink);
  background-color: var(--c-hero);
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}
ul {
  list-style: none;
}
a {
  text-decoration: none;
  color: inherit;
}
button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  background: none;
}
::selection {
  background: rgba(45, 181, 206, 0.35);
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: rgba(45, 181, 206, 0.08);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--cyan), var(--deep));
  border-radius: 999px;
}

body,
.hero,
.about,
.skills,
.skill-bars-section,
.content-section,
.timeline-section,
.contact,
.gallery-page,
.circuit-divider,
.circuit-divider::before,
.circuit-divider::after,
.circuit-divider > .wave-extra,
.circuit-divider > .wave-foam,
.navbar,
.modal-content,
.email-box,
.email-field {
  transition:
    background-color 0.8s ease,
    border-color 0.8s ease,
    color 0.8s ease;
}
h2,
h3,
h4,
.about-inner p,
.section-sub,
.cert-desc,
.project-desc,
.timeline-content p,
.footer-note,
.card-title,
.cert-title,
.project-title,
.gallery-page-head h1 {
  transition: color 0.8s ease;
}

.hero,
.about,
.skills,
.skill-bars-section,
.content-section,
.timeline-section,
.contact,
.gallery-page {
  position: relative;
  z-index: 2;
  overflow: hidden;
}

.hero
  > :not(.bubbles-layer):not(.creatures-layer):not(.stars-layer):not(
    .sun-layer
  ):not(#particles-canvas),
.gallery-page
  > :not(.bubbles-layer):not(.creatures-layer):not(.stars-layer):not(
    #sun-layer
  ):not(#particles-canvas),
.about > :not(.bubbles-layer):not(.creatures-layer),
.skills > :not(.bubbles-layer):not(.creatures-layer),
.skill-bars-section > :not(.bubbles-layer):not(.creatures-layer),
.content-section > :not(.bubbles-layer):not(.creatures-layer),
.timeline-section > :not(.bubbles-layer):not(.creatures-layer),
.contact > :not(.bubbles-layer):not(.creatures-layer) {
  position: relative;
  z-index: 1;
}

#particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
body > #particles-canvas {
  display: none;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: lowercase;
  background: rgba(255, 255, 255, 0.78);
  color: #17749a;
  border: 1px solid rgba(45, 181, 206, 0.35);
  box-shadow: 0 4px 14px rgba(23, 98, 128, 0.1);
}
.hero .tag,
.contact .tag {
  background: rgba(255, 255, 255, 0.14);
  color: #eafcff;
  border-color: rgba(255, 255, 255, 0.35);
}

h2 {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: clamp(1.7rem, 3.6vw, 2.3rem);
  color: var(--ink);
  margin-top: 12px;
  text-align: center;
}
h2::after {
  content: "";
  display: block;
  width: 64px;
  height: 5px;
  margin: 14px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
}
.section-sub {
  text-align: center;
  color: var(--ink-soft);
  margin: 12px 0 38px;
  font-size: 0.98rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    background 0.3s ease,
    color 0.3s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--sand), var(--gold));
  color: #7a5a12;
  box-shadow: 0 12px 28px rgba(255, 217, 90, 0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 36px rgba(255, 217, 90, 0.45);
}
.btn-outline {
  border: 1.5px solid rgba(255, 255, 255, 0.75);
  color: #f2fbfe;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-3px);
}
.content-section .btn-outline {
  border-color: rgba(33, 141, 174, 0.55);
  color: #17749a;
}
.content-section .btn-outline:hover {
  background: rgba(45, 181, 206, 0.14);
  color: var(--deep);
}

.preloader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #1b6f8e, #218dae 55%, #2b9fc0);
  transition:
    opacity 0.6s ease,
    visibility 0.6s ease;
}
.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}
.preloader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.preloader-bar {
  width: 230px;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
  overflow: hidden;
}
.preloader-bar-fill {
  width: 42%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--sand), var(--gold));
  animation: preloaderSlide 1.15s ease-in-out infinite;
}
@keyframes preloaderSlide {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(300%);
  }
}
.preloader-text {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: lowercase;
  color: rgba(255, 255, 255, 0.85);
}
.preloader-text span {
  animation: dotBlink 1s ease-in-out infinite;
}
@keyframes dotBlink {
  0%,
  100% {
    opacity: 0.25;
  }
  50% {
    opacity: 1;
  }
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  height: 4px;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--sand));
  border-radius: 0 999px 999px 0;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--nav-bg);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  backdrop-filter: blur(16px) saturate(150%);
  border-bottom: 1px solid rgba(45, 181, 206, 0.22);
}
.nav-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav-logo {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--nav-ink);
  margin-right: auto;
  letter-spacing: 0.02em;
}
.accent-dot {
  color: var(--cyan);
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  order: 3;
}
.nav-link {
  position: relative;
  display: inline-block;
  padding: 8px 12px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--nav-soft);
  text-transform: lowercase;
  transition:
    color 0.25s ease,
    background 0.25s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 6px;
  background: var(--svg-underline) repeat-x left center / 18px 6px;
  opacity: 0;
  transform: translateY(5px);
  transition: 0.3s ease;
}
.nav-link:hover {
  color: var(--nav-ink);
}
.nav-link:hover::after {
  opacity: 1;
  transform: translateY(0);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  order: 4;
}
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(45, 181, 206, 0.14);
  color: var(--nav-ink);
  border: 1px solid rgba(45, 181, 206, 0.3);
  font-size: 1rem;
  transition: 0.3s ease;
}
.theme-toggle:hover {
  background: rgba(45, 181, 206, 0.26);
  transform: rotate(15deg);
}
.icon-moon {
  display: inline;
}
.icon-sun {
  display: none;
}
[data-theme="dark"] .icon-moon {
  display: none;
}
[data-theme="dark"] .icon-sun {
  display: inline;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  order: 5;
  padding: 8px 4px;
}
.hamburger span {
  width: 24px;
  height: 2.5px;
  border-radius: 2px;
  background: var(--nav-ink);
  transition: 0.35s ease;
}
.hamburger.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

.hero {
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 560px) minmax(0, 470px);
  justify-content: center;
  align-items: center;
  gap: 56px;
  padding: 130px 28px 90px;
  background-color: var(--c-hero);

  background-image: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.08),
    rgba(4, 26, 38, 0.18) 90%
  );
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(
      73deg,
      rgba(255, 255, 255, 0) 30%,
      rgba(255, 255, 255, 0.05) 36%,
      rgba(255, 255, 255, 0.13) 42%,
      rgba(255, 255, 255, 0.05) 48%,
      rgba(255, 255, 255, 0) 54%
    ),
    linear-gradient(
      84deg,
      rgba(255, 255, 255, 0) 55%,
      rgba(255, 255, 255, 0.06) 61%,
      rgba(255, 255, 255, 0.11) 66%,
      rgba(255, 255, 255, 0.04) 72%,
      rgba(255, 255, 255, 0) 78%
    ),
    linear-gradient(
      66deg,
      rgba(255, 255, 255, 0) 5%,
      rgba(255, 255, 255, 0.045) 11%,
      rgba(255, 255, 255, 0.09) 16%,
      rgba(255, 255, 255, 0.03) 22%,
      rgba(255, 255, 255, 0) 28%
    );
  animation: raysDrift 16s ease-in-out infinite alternate;
  opacity: 0.9;
  transition: opacity 0.9s ease;
}
@keyframes raysDrift {
  from {
    transform: translate3d(-1.5%, 0, 0);
  }
  to {
    transform: translate3d(1.5%, -1%, 0);
  }
}

.hero::after {
  content: "";
  position: absolute;
  top: -6%;
  right: 10%;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(221, 247, 255, 0.22),
    rgba(125, 211, 232, 0.07) 48%,
    transparent 70%
  );
  opacity: 0;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.9s ease;
}
[data-theme="dark"] .hero::after {
  opacity: 1;
}
[data-theme="dark"] .hero::before {
  opacity: 0.32;
}

.stars-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.1s ease;
}
[data-theme="dark"] .stars-layer {
  opacity: 1;
}
.stars-a,
.stars-b {
  position: absolute;
  inset: 0;
  background-repeat: no-repeat;
}
.stars-a {
  background-image:
    radial-gradient(
      1.6px 1.6px at 12% 22%,
      rgba(221, 247, 255, 0.95) 0%,
      transparent 100%
    ),
    radial-gradient(
      1.2px 1.2px at 28% 12%,
      rgba(221, 247, 255, 0.8) 0%,
      transparent 100%
    ),
    radial-gradient(
      1.4px 1.4px at 44% 28%,
      rgba(221, 247, 255, 0.9) 0%,
      transparent 100%
    ),
    radial-gradient(
      1px 1px at 62% 10%,
      rgba(221, 247, 255, 0.7) 0%,
      transparent 100%
    ),
    radial-gradient(
      1.5px 1.5px at 76% 24%,
      rgba(221, 247, 255, 0.85) 0%,
      transparent 100%
    ),
    radial-gradient(
      1.1px 1.1px at 90% 16%,
      rgba(221, 247, 255, 0.75) 0%,
      transparent 100%
    ),
    radial-gradient(
      1.3px 1.3px at 8% 46%,
      rgba(221, 247, 255, 0.7) 0%,
      transparent 100%
    );
  animation: twinkle 5.5s ease-in-out infinite;
}
.stars-b {
  background-image:
    radial-gradient(
      1.1px 1.1px at 20% 34%,
      rgba(125, 211, 232, 0.85) 0%,
      transparent 100%
    ),
    radial-gradient(
      1.4px 1.4px at 36% 18%,
      rgba(125, 211, 232, 0.7) 0%,
      transparent 100%
    ),
    radial-gradient(
      1px 1px at 55% 38%,
      rgba(125, 211, 232, 0.65) 0%,
      transparent 100%
    ),
    radial-gradient(
      1.2px 1.2px at 70% 40%,
      rgba(125, 211, 232, 0.8) 0%,
      transparent 100%
    ),
    radial-gradient(
      1.3px 1.3px at 84% 30%,
      rgba(125, 211, 232, 0.7) 0%,
      transparent 100%
    ),
    radial-gradient(
      1px 1px at 96% 44%,
      rgba(125, 211, 232, 0.6) 0%,
      transparent 100%
    );
  animation: twinkle 7.5s ease-in-out 1.4s infinite;
}
@keyframes twinkle {
  0%,
  100% {
    opacity: 0.95;
  }
  50% {
    opacity: 0.4;
  }
}

.stars-layer::before {
  content: "";
  position: absolute;
  top: 9%;
  right: 15%;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(
    circle at 38% 34%,
    rgba(238, 250, 255, 0.95),
    rgba(221, 247, 255, 0.5) 46%,
    rgba(125, 211, 232, 0.16) 70%,
    transparent 75%
  );
}
.stars-layer::after {
  content: "";
  position: absolute;
  top: 18%;
  right: calc(15% + 16px);
  width: 78px;
  height: 82%;
  border-radius: 40px;
  background: linear-gradient(
    180deg,
    rgba(221, 247, 255, 0.13),
    rgba(221, 247, 255, 0.03) 60%,
    transparent 85%
  );
  filter: blur(9px);
}

.sun-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 1;
  transition: opacity 1.1s ease;
}
[data-theme="dark"] .sun-layer {
  opacity: 0;
}

.sun-layer::before {
  content: "";
  position: absolute;
  top: 9%;
  right: 15%;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(
    circle at 40% 36%,
    rgba(255, 251, 224, 0.98),
    rgba(255, 230, 154, 0.92) 45%,
    rgba(255, 217, 90, 0.3) 68%,
    transparent 75%
  );
  box-shadow:
    0 0 46px rgba(255, 217, 90, 0.5),
    0 0 110px rgba(255, 217, 90, 0.25);
  animation: sunGlow 9s ease-in-out infinite alternate;
}

.sun-layer::after {
  content: "";
  position: absolute;
  top: 18%;
  right: calc(15% + 16px);
  width: 78px;
  height: 82%;
  border-radius: 40px;
  background: linear-gradient(
    180deg,
    rgba(255, 217, 90, 0.2),
    rgba(255, 217, 90, 0.04) 60%,
    transparent 85%
  );
  filter: blur(9px);
}
@keyframes sunGlow {
  from {
    transform: scale(0.97);
  }
  to {
    transform: scale(1.03);
  }
}

.hero-text {
  max-width: 560px;
}
.hero-text h1 {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: clamp(2.1rem, 4.8vw, 3.25rem);
  line-height: 1.16;
  color: #f4fcff;
  margin: 18px 0 12px;
}
.name-highlight {
  background: linear-gradient(92deg, var(--sand), var(--gold) 60%, #ffd76e);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.typing-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  margin-bottom: 18px;
}
.typing-label {
  font-size: 1rem;
}
.typing-text {
  font-weight: 600;
  font-size: 1.02rem;
  color: #dff4f9;
  letter-spacing: 0.03em;
}
.typing-cursor {
  font-weight: 300;
  color: #7fdce9;
  animation: cursorBlink 0.9s steps(2, start) infinite;
}
@keyframes cursorBlink {
  50% {
    opacity: 0;
  }
}
.hero-text p {
  color: rgba(226, 244, 249, 0.85);
  line-height: 1.75;
  font-size: 1rem;
  max-width: 46ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-visual {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual::before {
  content: "";
  position: absolute;
  width: min(430px, 90%);
  aspect-ratio: 1;
  left: 50%;
  top: 50%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(82, 214, 232, 0.38) 0%,
    rgba(45, 181, 206, 0.16) 45%,
    rgba(45, 181, 206, 0) 70%
  );
  animation: glowPulse 7s ease-in-out infinite alternate;
  z-index: 0;
  pointer-events: none;
}
@keyframes glowPulse {
  from {
    transform: translate(-50%, -50%) scale(0.94);
    opacity: 0.7;
  }
  to {
    transform: translate(-50%, -50%) scale(1.08);
    opacity: 1;
  }
}
.hero-img-wrap {
  position: relative;
  z-index: 1;
  width: min(320px, 64vw);
  aspect-ratio: 1;
  border-radius: 50%;
  padding: 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.38);
  box-shadow: 0 30px 70px rgba(4, 42, 62, 0.45);
  overflow: hidden;
  animation: floatBob 6.5s ease-in-out infinite alternate;
}
.hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.hero-badge {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 999px;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  color: #eafcff;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.34);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 26px rgba(4, 42, 62, 0.3);
  animation: floatSoft 5.5s ease-in-out infinite alternate;
}
.hero-badge-1 {
  top: 6%;
  left: -3%;
}
.hero-badge-2 {
  top: 34%;
  right: -6%;
  animation-duration: 6.8s;
  animation-delay: 1.1s;
}
@keyframes floatBob {
  from {
    transform: translateY(-9px);
  }
  to {
    transform: translateY(11px);
  }
}
@keyframes floatSoft {
  from {
    transform: translateY(-6px);
  }
  to {
    transform: translateY(8px);
  }
}

.bubbles-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.bubble {
  position: absolute;
  bottom: -46px;
  left: var(--x);
  width: var(--s);
  height: var(--s);
  border-radius: 50%;
  background: radial-gradient(
    circle at 32% 28%,
    rgba(255, 255, 255, 0.65),
    rgba(255, 255, 255, 0.14) 52%,
    rgba(255, 255, 255, 0) 72%
  );
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow:
    inset 2px 3px 5px rgba(255, 255, 255, 0.2),
    inset -3px -4px 8px rgba(45, 181, 206, 0.14);
  opacity: 0;
  pointer-events: none;
  animation: bubbleRise var(--d) linear infinite;
  animation-delay: var(--dl);
}

.bubble::after {
  content: "";
  position: absolute;
  top: 16%;
  left: 24%;
  width: 28%;
  height: 28%;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  filter: blur(0.6px);
  opacity: 0.75;
}
@keyframes bubbleRise {
  0% {
    transform: translate3d(0, 0, 0) scale(0.75);
    opacity: 0;
  }
  9% {
    opacity: var(--o);
  }
  82% {
    opacity: var(--o);
  }
  100% {
    transform: translate3d(var(--dx), var(--travel), 0) scale(1.08);
    opacity: 0;
  }
}

[data-theme="dark"] .bubble {
  box-shadow:
    inset 2px 3px 5px rgba(221, 247, 255, 0.25),
    inset -3px -4px 8px rgba(17, 107, 130, 0.3),
    0 0 10px rgba(125, 211, 232, 0.22);
  border-color: rgba(125, 211, 232, 0.35);
}

.creatures-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.creature {
  position: absolute;
  pointer-events: none;
  background-color: var(--creature-tint);
  opacity: var(--co, 0.25);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}
.school {
  position: absolute;
  left: -170px;
  top: var(--y, 50%);
  pointer-events: none;
  animation: swimRight var(--dur, 34s) linear infinite;
  animation-delay: var(--dl, 0s);
}
.school.to-left {
  left: auto;
  right: -170px;
  animation-name: swimLeft;
}
.fish {
  width: var(--w, 34px);
  aspect-ratio: 2 / 1;
  -webkit-mask-image: var(--svg-fish);
  mask-image: var(--svg-fish);
  animation: fishBob var(--bob, 4s) ease-in-out infinite alternate;
}
.fish.flip {
  -webkit-mask-image: var(--svg-fish-l);
  mask-image: var(--svg-fish-l);
}
.whale {
  width: var(--w, 190px);
  aspect-ratio: 120 / 48;
  top: var(--y, 30%);
  left: -300px;
  -webkit-mask-image: var(--svg-whale);
  mask-image: var(--svg-whale);
  animation: whaleSwim var(--dur, 65s) linear infinite;
  animation-delay: var(--dl, 0s);
}
.whale.to-left {
  left: auto;
  right: -300px;
  animation-name: whaleSwimL;
}
.jelly-wrap {
  position: absolute;
  bottom: -90px;
  left: var(--x, 50%);
  pointer-events: none;
  animation: jellyRise var(--dur, 40s) linear infinite;
  animation-delay: var(--dl, 0s);
}
.jelly {
  width: var(--w, 46px);
  aspect-ratio: 5 / 7;
  -webkit-mask-image: var(--svg-jelly);
  mask-image: var(--svg-jelly);
  animation: jellyPulse 4.6s ease-in-out infinite;
}
@keyframes swimRight {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(calc(100vw + 220px), 0, 0);
  }
}
@keyframes swimLeft {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(calc(-100vw - 220px), 0, 0);
  }
}
@keyframes fishBob {
  from {
    transform: translateY(-6px);
  }
  to {
    transform: translateY(6px);
  }
}
@keyframes whaleSwim {
  from {
    transform: translate3d(0, 0, 0);
  }
  25% {
    transform: translate3d(28vw, -14px, 0);
  }
  50% {
    transform: translate3d(56vw, 10px, 0);
  }
  75% {
    transform: translate3d(84vw, -12px, 0);
  }
  to {
    transform: translate3d(calc(100vw + 340px), 0, 0);
  }
}
@keyframes whaleSwimL {
  from {
    transform: translate3d(0, 0, 0) scaleX(-1);
  }
  25% {
    transform: translate3d(-28vw, -14px, 0) scaleX(-1);
  }
  50% {
    transform: translate3d(-56vw, 10px, 0) scaleX(-1);
  }
  75% {
    transform: translate3d(-84vw, -12px, 0) scaleX(-1);
  }
  to {
    transform: translate3d(calc(-100vw - 340px), 0, 0) scaleX(-1);
  }
}
@keyframes jellyRise {
  0% {
    transform: translate3d(0, 0, 0) scale(0.9);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  50% {
    transform: translate3d(34px, calc(var(--travel) / 2), 0) scale(1);
  }
  88% {
    opacity: 1;
  }
  100% {
    transform: translate3d(-26px, var(--travel), 0) scale(0.92);
    opacity: 0;
  }
}
@keyframes jellyPulse {
  0%,
  100% {
    transform: scaleY(0.92) scaleX(1.05);
  }
  50% {
    transform: scaleY(1.06) scaleX(0.96);
  }
}
.hero .creature,
.contact .creature {
  --creature-tint: #d6f2f8;
}

.circuit-divider {
  --m-main: var(--wave-big);
  --m-mid: var(--wave-soft);
  --m-back: var(--wave-low);

  --dur-main: 20s;
  --dur-mid: 27s;
  --dur-back: 35s;
  --dur-foam: 16s;

  --c-main: var(--cyan);
  --c-base: var(--tint-soft, #b9e5ee);
  --foam-o: 0.35;

  --div-h: clamp(84px, 12vw, 140px);

  position: relative;
  z-index: 2;
  overflow: hidden;
  height: var(--div-h);
  background-color: var(--c-base);
}

.circuit-divider::before,
.circuit-divider::after,
.circuit-divider > .wave-extra,
.circuit-divider > .wave-foam {
  position: absolute;
  left: 0;
  top: -16px;
  width: 200%;
  height: calc(100% + 32px);
  pointer-events: none;
  -webkit-mask-repeat: repeat-x;
  mask-repeat: repeat-x;
  -webkit-mask-size: 50% 100%;
  mask-size: 50% 100%;
  transform-origin: top center;
}

.circuit-divider::before {
  content: "";
  background-color: var(--c-back);
  -webkit-mask-image: var(--m-back);
  mask-image: var(--m-back);
  animation: waveFlow2 var(--dur-back) linear infinite reverse;
}

.circuit-divider > .wave-extra {
  display: block;
  background-color: var(--c-mid);
  -webkit-mask-image: var(--m-mid);
  mask-image: var(--m-mid);
  animation: waveFlow var(--dur-mid) linear infinite;
}

.circuit-divider > .wave-foam {
  display: block;
  background-color: var(--c-foam);
  -webkit-mask-image: var(--wave-foam);
  mask-image: var(--wave-foam);
  filter: blur(2px);
  opacity: var(--foam-o);
  animation: waveFlow2 var(--dur-foam) linear infinite reverse;
}

.circuit-divider::after {
  content: "";
  background-color: var(--c-main);
  -webkit-mask-image: var(--m-main);
  mask-image: var(--m-main);
  animation: waveFlow var(--dur-main) linear infinite;
}

@keyframes waveFlow {
  0% {
    transform: translate3d(0, 0, 0) scaleY(1);
  }
  30% {
    transform: translate3d(-15%, 5px, 0) scaleY(1.05);
  }
  60% {
    transform: translate3d(-30%, -3px, 0) scaleY(0.97);
  }
  100% {
    transform: translate3d(-50%, 0, 0) scaleY(1);
  }
}
@keyframes waveFlow2 {
  0% {
    transform: translate3d(0, 0, 0) scaleY(1);
  }
  35% {
    transform: translate3d(-17.5%, -5px, 0) scaleY(0.96);
  }
  70% {
    transform: translate3d(-35%, 4px, 0) scaleY(1.05);
  }
  100% {
    transform: translate3d(-50%, 0, 0) scaleY(1);
  }
}

.wave-a {
  --m-main: var(--wave-big);
  --m-mid: var(--wave-soft);
  --m-back: var(--wave-low);
  --dur-main: 19s;
  --dur-mid: 26s;
  --dur-back: 34s;
  --dur-foam: 15s;
  --c-main: var(--c-hero);
  --c-base: var(--c-about);
  --foam-o: 0.4;
  --div-h: clamp(90px, 13vw, 150px);
}

.wave-b {
  --m-main: var(--wave-soft);
  --m-mid: var(--wave-big);
  --m-back: var(--wave-low);
  --dur-main: 21s;
  --dur-mid: 28s;
  --dur-back: 36s;
  --dur-foam: 17s;
  --c-main: var(--c-about);
  --c-base: var(--c-skills);
  --foam-o: 0.45;
  --div-h: clamp(84px, 12vw, 140px);
}

.wave-c {
  --m-main: var(--wave-low);
  --m-mid: var(--wave-soft);
  --m-back: var(--wave-big);
  --dur-main: 22s;
  --dur-mid: 29s;
  --dur-back: 35s;
  --c-main: var(--c-bars);
  --c-base: var(--c-proy);
  --div-h: clamp(80px, 11vw, 130px);
}

.wave-d {
  --m-main: var(--wave-low);
  --m-mid: var(--wave-low);
  --m-back: var(--wave-soft);
  --dur-main: 20s;
  --dur-mid: 27s;
  --dur-back: 36s;
  --dur-foam: 15s;
  --c-main: var(--c-proy);
  --c-base: var(--c-sert);
  --foam-o: 0.22;
  --div-h: clamp(72px, 10vw, 120px);
}

.wave-e {
  --m-main: var(--wave-soft);
  --m-mid: var(--wave-big);
  --m-back: var(--wave-low);
  --dur-main: 18s;
  --dur-mid: 26s;
  --dur-back: 33s;
  --dur-foam: 14s;
  --c-main: var(--c-sert);
  --c-base: var(--c-time);
  --foam-o: 0.5;
  --div-h: clamp(84px, 12vw, 136px);
}

.wave-f {
  --m-main: var(--wave-big);
  --m-mid: var(--wave-soft);
  --m-back: var(--wave-low);
  --dur-main: 22s;
  --dur-mid: 30s;
  --dur-back: 38s;
  --c-main: var(--c-time);
  --c-base: var(--c-contact);
  --div-h: clamp(90px, 12vw, 145px);
}

.wave-c > .wave-foam,
.wave-f > .wave-foam {
  display: none;
}

.skills::before,
.skill-bars-section::before,
.content-section::before,
.timeline-section::before,
.contact::before,
.gallery-page::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(
      620px 220px at 18% 28%,
      rgba(255, 255, 255, 0.3),
      transparent 70%
    ),
    radial-gradient(
      720px 260px at 78% 68%,
      rgba(255, 255, 255, 0.22),
      transparent 72%
    );
  opacity: 0.65;
  animation: sheenDrift 24s ease-in-out infinite alternate;
  transition: opacity 0.9s ease;
}
@keyframes sheenDrift {
  from {
    transform: translate3d(-1.6%, -1%, 0);
  }
  to {
    transform: translate3d(1.6%, 1.2%, 0);
  }
}
.about::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(
    700px 300px at 50% 12%,
    rgba(255, 236, 170, 0.5),
    transparent 70%
  );
  opacity: 0.5;
  transition: opacity 0.9s ease;
}
[data-theme="dark"] .about::before {
  background: radial-gradient(
    700px 300px at 50% 12%,
    rgba(184, 155, 82, 0.25),
    transparent 70%
  );
  opacity: 0.35;
}

.skills::after,
.content-section::after,
.timeline-section::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 300%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    100deg,
    transparent 0px,
    transparent 340px,
    var(--shim) 380px,
    transparent 430px,
    transparent 900px
  );
  animation: shimmerPan 46s linear infinite;
}
@keyframes shimmerPan {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(900px, 0, 0);
  }
}

.about {
  background-color: var(--c-about);
  padding: 96px 24px 110px;
}
.about-inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}
.about-inner p {
  margin-top: 22px;
  color: var(--ink-soft);
  line-height: 1.85;
  font-size: 1.02rem;
}
.about-highlights {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 36px;
}
.about-highlight {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 22px rgba(150, 110, 20, 0.14);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    background-color 0.8s ease,
    border-color 0.8s ease,
    color 0.8s ease;
}
.about-highlight:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(150, 110, 20, 0.2);
}
.about-highlight-icon {
  font-size: 1.1rem;
}

.skills {
  background-color: var(--c-skills);
  padding: 96px 24px 70px;
  text-align: center;
}
.card-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  margin-top: 44px;
}
.card {
  width: 132px;
  padding: 24px 12px 20px;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease,
    background-color 0.8s ease,
    border-color 0.8s ease;
}
.card img {
  width: 52px;
  height: 52px;
  transition: transform 0.35s ease;
}
.card-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-shadow-hover);
}
.card:hover img {
  transform: scale(1.12) rotate(-4deg);
}

.skill-bars-section {
  background-color: var(--c-bars);
  padding: 26px 24px 96px;
}
.skill-bars-container {
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  gap: 24px;
}
.skill-bar-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 9px;
}
.skill-bar-name {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
}
.skill-bar-percent {
  font-weight: 700;
  font-size: 0.85rem;
  color: #1a86a8;
}
.skill-bar-track {
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(45, 181, 206, 0.28);
  box-shadow: inset 0 2px 5px rgba(23, 98, 128, 0.14);
  transition:
    background-color 0.8s ease,
    border-color 0.8s ease;
}
.skill-bar-fill {
  position: relative;
  height: 100%;
  width: 0;
  border-radius: 999px;
  overflow: hidden;
  background: linear-gradient(90deg, var(--cyan), var(--deep));
  transition: width 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.skill-bar-fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(255, 255, 255, 0) 25%,
    rgba(255, 255, 255, 0.55) 50%,
    rgba(255, 255, 255, 0) 75%
  );
  transform: translateX(-100%);
  opacity: 0;
}
.skill-bar-fill.animated::after {
  opacity: 1;
  animation: barShimmer 3.4s ease-in-out 1.4s infinite;
}
@keyframes barShimmer {
  0% {
    transform: translateX(-100%);
  }
  60%,
  100% {
    transform: translateX(100%);
  }
}

#proyek {
  background-color: var(--c-proy);
}
#sertifikat {
  background-color: var(--c-sert);
}
.content-section {
  padding: 96px 24px 110px;
  text-align: center;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 26px;
  max-width: 1180px;
  margin: 0 auto;
}
.cert-card,
.project-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  overflow: hidden;
  text-align: left;
  box-shadow: var(--card-shadow);
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease,
    background-color 0.8s ease,
    border-color 0.8s ease;
}
.cert-card:hover,
.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-shadow-hover);
}
.cert-card img,
.project-card img {
  width: 100%;
  height: 195px;
  cursor: zoom-in;
  border-bottom: 1px solid rgba(45, 181, 206, 0.15);
  transition: transform 0.5s ease;
}
.cert-card img {
  object-fit: contain;
  background: #fff;
  padding: 12px;
}
.project-card img {
  object-fit: cover;
}
.project-card:hover img {
  transform: scale(1.05);
}
.browser-chrome {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  background: var(--chrome-bg);
  border-bottom: 1px solid rgba(45, 181, 206, 0.18);
  transition: background-color 0.8s ease;
}
.browser-chrome-icon {
  font-size: 0.85rem;
}
.browser-bar {
  flex: 1;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--chrome-bar);
  font-size: 0.72rem;
  color: var(--chrome-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background-color 0.8s ease;
}
.cert-body,
.project-body {
  padding: 18px 20px 20px;
}
.cert-title,
.project-title {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--ink);
}
.cert-desc,
.project-desc {
  margin-top: 7px;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--ink-soft);
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.project-tag {
  padding: 4px 13px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 600;
  background: rgba(45, 181, 206, 0.16);
  color: #17749a;
}
.empty-state {
  grid-column: 1 / -1;
  padding: 46px 20px;
  color: var(--ink-faint);
  font-style: italic;
  text-align: center;
}
.gallery-btn-wrap {
  margin-top: 44px;
  text-align: center;
}

.timeline-section {
  background-color: var(--c-time);
  padding: 96px 24px 120px;
  text-align: center;
}
.timeline {
  max-width: 900px;
  margin: 46px auto 0;
  position: relative;
  text-align: left;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: linear-gradient(
    180deg,
    rgba(45, 181, 206, 0),
    var(--cyan) 12%,
    var(--deep) 88%,
    rgba(45, 181, 206, 0)
  );
}
.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 44px 46px 0;
  text-align: right;
}
.timeline-item:nth-child(even) {
  margin-left: 50%;
  padding: 0 0 46px 44px;
  text-align: left;
}
.timeline-dot {
  position: absolute;
  top: 8px;
  right: -10px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--deep));
  border: 3px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 0 0 4px rgba(45, 181, 206, 0.22);
}
.timeline-item:nth-child(even) .timeline-dot {
  right: auto;
  left: -10px;
}
.timeline-dot::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid rgba(45, 181, 206, 0.45);
  animation: dotRipple 2.8s ease-out infinite;
}
@keyframes dotRipple {
  0% {
    transform: scale(0.6);
    opacity: 0.9;
  }
  70%,
  100% {
    transform: scale(1.7);
    opacity: 0;
  }
}
.timeline-content {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 18px 22px;
  box-shadow: var(--card-shadow);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    background-color 0.8s ease,
    border-color 0.8s ease;
}
.timeline-content:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}
.timeline-year {
  display: inline-block;
  padding: 4px 13px;
  border-radius: 999px;
  background: rgba(45, 181, 206, 0.16);
  color: #17749a;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.timeline-content h4 {
  font-family: "Poppins", sans-serif;
  font-size: 1.02rem;
  color: var(--ink);
  margin: 10px 0 6px;
}
.timeline-content p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.gallery-page {
  min-height: 100vh;
  background-color: var(--c-gall);
  padding: 130px 24px 140px;
  text-align: center;
}
.gallery-page-head h1 {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.1rem);
  color: var(--ink);
  margin-top: 12px;
}
.gallery-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
  padding: 9px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(45, 181, 206, 0.3);
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 600;
  transition:
    0.3s ease,
    background-color 0.8s ease,
    color 0.8s ease;
}
.gallery-back-link:hover {
  transform: translateX(-5px);
  background: rgba(255, 255, 255, 0.95);
  color: var(--ink);
}
.gallery-tabs {
  display: inline-flex;
  gap: 8px;
  margin: 30px 0 40px;
  padding: 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: var(--card-shadow);
  transition:
    background-color 0.8s ease,
    border-color 0.8s ease;
}
.gallery-tab {
  padding: 9px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  color: #17749a;
  transition: 0.28s ease;
}
.gallery-tab:hover {
  background: rgba(45, 181, 206, 0.16);
}
.gallery-tab.active {
  background: linear-gradient(135deg, var(--cyan), var(--deep));
  color: #fff;
  box-shadow: 0 8px 20px rgba(33, 141, 174, 0.38);
}
.gallery-full-grid {
  text-align: left;
}

.gallery-page::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 200%;
  height: clamp(70px, 9vw, 110px);
  background-color: var(--c-hero);
  -webkit-mask-image: var(--wave-big);
  mask-image: var(--wave-big);
  -webkit-mask-repeat: repeat-x;
  mask-repeat: repeat-x;
  -webkit-mask-size: 50% 100%;
  mask-size: 50% 100%;
  animation: waveDriftFlat 24s linear infinite;
  pointer-events: none;
  z-index: 0;
}
@keyframes waveDriftFlat {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 600;
  align-items: center;
  justify-content: center;
  padding: 30px;
  background: rgba(6, 32, 45, 0.74);
  -webkit-backdrop-filter: blur(9px);
  backdrop-filter: blur(9px);
}
.modal .close {
  position: absolute;
  top: 20px;
  right: 26px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  font-weight: 300;
  line-height: 1;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: 0.3s ease;
}
.modal .close:hover {
  background: rgba(255, 255, 255, 0.28);
  transform: rotate(90deg);
}
.modal-content {
  max-width: min(92vw, 880px);
  max-height: 84vh;
  object-fit: contain;
  background: #fff;
  padding: 16px;
  border-radius: 16px;
  box-shadow: 0 40px 90px rgba(0, 20, 32, 0.5);
}
.email-box {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  padding: 38px 34px;
  text-align: center;
  box-shadow: 0 34px 80px rgba(0, 20, 32, 0.4);
}
.email-box .close {
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  font-size: 1.7rem;
  background: rgba(45, 181, 206, 0.12);
}
.email-box h3 {
  font-family: "Poppins", sans-serif;
  font-size: 1.35rem;
  color: var(--ink);
  margin: 12px 0 8px;
}
.email-box p {
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin-bottom: 24px;
}
.email-field {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(45, 181, 206, 0.1);
  border: 1px solid rgba(45, 181, 206, 0.28);
  border-radius: 999px;
  padding: 7px 7px 7px 20px;
}
#emailText {
  flex: 1;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
  word-break: break-all;
  text-align: left;
}
#copyEmailBtn {
  padding: 10px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan), var(--deep));
  color: #fff;
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
  transition: 0.3s ease;
}
#copyEmailBtn:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.back-to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 90;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--cyan), var(--deep));
  color: #fff;
  box-shadow: 0 14px 32px rgba(33, 141, 174, 0.42);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: 0.35s ease;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-5px);
}
.back-to-top svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact {
  background-color: var(--c-contact);
  padding: 120px 24px 130px;
  text-align: center;
}
.contact h2 {
  color: #f2fbfe;
}
.contact-icons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 42px;
}
.contact-icons a,
.contact-icons .icon-btn {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 30px rgba(4, 42, 62, 0.35);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  cursor: pointer;
}
.contact-icons a img,
.contact-icons .icon-btn img {
  width: 26px;
  height: 26px;
}
.contact-icons a:hover,
.contact-icons .icon-btn:hover {
  transform: translateY(-7px) scale(1.05);
  box-shadow: 0 20px 42px rgba(45, 181, 206, 0.5);
}
.footer-note {
  margin-top: 48px;
  font-size: 0.9rem;
  color: rgba(214, 240, 246, 0.75);
  letter-spacing: 0.05em;
  text-transform: lowercase;
}

.contact::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 200%;
  height: clamp(60px, 8vw, 100px);
  background: linear-gradient(
    180deg,
    rgba(4, 22, 32, 0),
    rgba(4, 22, 32, 0.55)
  );
  -webkit-mask-image: var(--wave-big);
  mask-image: var(--wave-big);
  -webkit-mask-repeat: repeat-x;
  mask-repeat: repeat-x;
  -webkit-mask-size: 50% 100%;
  mask-size: 50% 100%;
  animation: waveDriftFlat 26s linear infinite;
  pointer-events: none;
  z-index: 0;
}

[data-theme="dark"] .tag {
  background: rgba(125, 211, 232, 0.1);
  color: #7dd3e8;
  border-color: rgba(125, 211, 232, 0.25);
}
[data-theme="dark"] .hero .tag,
[data-theme="dark"] .contact .tag {
  background: rgba(221, 247, 255, 0.1);
  color: #ddf7ff;
  border-color: rgba(221, 247, 255, 0.28);
}
[data-theme="dark"] .about-highlight {
  background: rgba(125, 211, 232, 0.07);
  border: 1px solid var(--card-border);
  color: var(--ink);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.4);
}
[data-theme="dark"] .about-highlight:hover {
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.5);
}
[data-theme="dark"] .btn-primary {
  color: #241b06;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
}
[data-theme="dark"] .btn-primary:hover {
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.55);
}
[data-theme="dark"] .card img[src*="github"] {
  filter: brightness(0) invert(1);
}
[data-theme="dark"] .content-section .btn-outline {
  border-color: rgba(125, 211, 232, 0.5);
  color: #7dd3e8;
}
[data-theme="dark"] .skill-bar-percent,
[data-theme="dark"] .project-tag,
[data-theme="dark"] .timeline-year,
[data-theme="dark"] .gallery-tab {
  color: #7dd3e8;
}
[data-theme="dark"] .skill-bar-track {
  background: rgba(125, 211, 232, 0.08);
  border-color: rgba(125, 211, 232, 0.22);
}
[data-theme="dark"] .gallery-back-link,
[data-theme="dark"] .gallery-tabs {
  background: rgba(125, 211, 232, 0.08);
  border-color: rgba(125, 211, 232, 0.18);
}

[data-theme="dark"] .email-box {
  background: rgba(8, 35, 52, 0.97);
  border-color: rgba(125, 211, 232, 0.16);
}
[data-theme="dark"] .skills::before,
[data-theme="dark"] .skill-bars-section::before,
[data-theme="dark"] .content-section::before,
[data-theme="dark"] .timeline-section::before,
[data-theme="dark"] .contact::before,
[data-theme="dark"] .gallery-page::before {
  opacity: 0.28;
}

@media (max-width: 1024px) {
  .hero {
    gap: 36px;
  }
  .hero-visual {
    min-height: 460px;
  }
}
@media (max-width: 860px) {
  .hamburger {
    display: flex;
  }
  .nav-container {
    padding: 14px 18px;
  }
  .nav-menu {
    position: fixed;
    top: 74px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 14px;
    border-radius: 18px;
    background: var(--nav-panel);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(45, 181, 206, 0.25);
    box-shadow: 0 24px 50px rgba(6, 32, 45, 0.25);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-14px);
    transition: 0.32s ease;
  }
  .nav-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-link {
    display: block;
    padding: 12px 16px;
    border-radius: 12px;
  }
  .nav-link:hover {
    background: rgba(45, 181, 206, 0.14);
  }
  .nav-link::after {
    display: none;
  }
  .hero {
    grid-template-columns: minmax(0, 1fr);
    text-align: center;
    padding-top: 120px;
    gap: 26px;
  }

  .hero-visual {
    order: -1;
  }
  .hero-text {
    order: 1;
  }

  .hero-text {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-text p {
    margin: 0 auto;
  }
  .hero-visual {
    min-height: 430px;
    width: 100%;
  }
  .hero-badge-1 {
    left: 2%;
  }
  .hero-badge-2 {
    right: 0;
  }
}
@media (max-width: 768px) {
  .circuit-divider::before,
  .circuit-divider > .wave-foam,
  .skills::after,
  .content-section::after,
  .timeline-section::after {
    display: none;
  }
  .bubbles-layer {
    opacity: 0.75;
  }
  .timeline::before {
    left: 20px;
    transform: none;
  }
  .timeline-item,
  .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding: 0 0 40px 52px;
    text-align: left;
  }
  .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 12px;
    right: auto;
  }
}
@media (max-width: 480px) {
  .hero {
    padding: 110px 18px 70px;
  }
  .hero-visual {
    min-height: 380px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .back-to-top {
    right: 18px;
    bottom: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}