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

/* ===========================
   DESIGN TOKENS
=========================== */
:root {
  /* Surfaces */
  --bg:                  #0d0e12;
  --surface-low:         #121318;
  --surface:             #18191e;
  --surface-high:        #1e1f25;
  --surface-highest:     #24252b;
  --surface-lowest:      #000000;

  /* Accents */
  --primary:             #8ff5ff;
  --primary-dim:         #00deec;
  --primary-container:   #00eefc;
  --on-primary:          #005d63;

  --secondary:           #ac89ff;
  --secondary-dim:       #874cff;
  --on-secondary:        #290067;

  --tertiary:            #ff59e3;

  /* Text */
  --on-surface:          #faf8fe;
  --on-surface-variant:  #abaab0;

  /* Borders */
  --outline:             #75757a;
  --outline-variant:     #47484c;
  --ghost:               rgba(117, 117, 122, 0.15);
  --ghost-hover:         rgba(117, 117, 122, 0.40);

  /* Misc */
  --radius-sm:   0.125rem;
  --radius-md:   0.375rem;
  --radius-lg:   0.5rem;
  --radius-xl:   0.75rem;
  --radius-2xl:  1rem;

  --font-headline: 'Space Grotesk', sans-serif;
  --font-body:     'Inter', sans-serif;

  --transition: 0.3s ease;
}

/* ===========================
   BASE
=========================== */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--on-surface);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-headline);
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===========================
   NOISE OVERLAY
=========================== */
.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.03;
}

/* ===========================
   UTILITIES
=========================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section { padding: 8rem 0; }

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--on-surface-variant);
  font-size: 1rem;
  max-width: 42ch;
}

.text-primary { color: var(--primary); }

.glass-panel {
  background: rgba(36, 37, 43, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* ===========================
   BUTTONS
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-headline);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: var(--on-primary);
}
.btn--primary:hover { filter: brightness(1.1); }
.btn--primary:active { transform: scale(0.97); }

.btn--secondary {
  background: var(--secondary);
  color: var(--on-secondary);
}
.btn--secondary:hover { filter: brightness(1.1); }
.btn--secondary:active { transform: scale(0.97); }

.btn--ghost {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--ghost);
}
.btn--ghost:hover {
  background: rgba(143, 245, 255, 0.05);
  border-color: var(--ghost-hover);
}
.btn--ghost:active { transform: scale(0.97); }

.btn--outline {
  background: transparent;
  color: var(--on-surface-variant);
  border: 1px solid var(--ghost);
}
.btn--outline:hover { color: var(--on-surface); border-color: var(--ghost-hover); }

.btn--resume {
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: var(--on-primary);
  padding: 0.5rem 1.5rem;
  font-size: 0.875rem;
  border-radius: var(--radius-lg);
}
.btn--resume:hover { filter: brightness(1.1); }
.btn--resume:active { transform: scale(0.95); }

.btn--send {
  width: 100%;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: var(--on-primary);
  padding: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
}
.btn--send:hover { filter: brightness(1.1); }
.btn--send:active { transform: scale(0.98); }

.btn--sm {
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
}

/* ===========================
   NAVIGATION
=========================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 14, 18, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--ghost);
  transition: background var(--transition);
}

.nav.scrolled {
  background: rgba(13, 14, 18, 0.97);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  font-family: var(--font-headline);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--on-surface);
}

.nav__logo span {
  color: var(--primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__link {
  font-family: var(--font-headline);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--on-surface-variant);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 4px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--primary);
}

.nav__link.active::after,
.nav__link:hover::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--on-surface);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===========================
   HERO
=========================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero__glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}

.hero__glow--left {
  top: 25%;
  left: -80px;
  background: rgba(143, 245, 255, 0.1);
}

.hero__glow--right {
  bottom: 25%;
  right: -80px;
  background: rgba(172, 137, 255, 0.1);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
}

.hero__badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  margin-bottom: 2rem;
  background: var(--surface-highest);
  border: 1px solid var(--ghost);
  border-radius: var(--radius-sm);
}

.hero__badge span {
  font-family: var(--font-headline);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
}

.hero__headline {
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.02;
  margin-bottom: 2rem;
}

.hero__subtitle {
  font-size: 0.55em;
  font-weight: 400;
  color: var(--on-surface-variant);
  letter-spacing: 0;
}

.hero__gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__description {
  color: var(--on-surface-variant);
  font-size: clamp(1rem, 2vw, 1.15rem);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__social {
  margin-top: 2rem;
  animation: fadeInUp 0.5s ease 0.65s both;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--on-surface-variant);
  font-family: var(--font-headline);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border: 1px solid var(--ghost);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.social-link:hover {
  color: var(--primary);
  border-color: rgba(143, 245, 255, 0.4);
  background: rgba(143, 245, 255, 0.05);
  transform: translateY(-2px);
}

.hero__actions .material-symbols-outlined {
  font-size: 1.1rem;
}

/* ===========================
   ABOUT
=========================== */
.about {
  background: var(--surface-low);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about__title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.about__title-line {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--primary);
  flex-shrink: 0;
}

.about__body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about__body p {
  color: var(--on-surface-variant);
  font-size: 1rem;
  line-height: 1.8;
}

.about__body .text-primary { color: var(--primary); }

/* BENTO GRID */
.bento-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.bento-card {
  background: var(--surface-high);
  border: 1px solid var(--ghost);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  transition: all var(--transition);
  cursor: default;
}

.bento-card:hover {
  transform: translateY(-2px);
}

.bento-card--cyan:hover  { border-color: rgba(143, 245, 255, 0.4); }
.bento-card--purple:hover { border-color: rgba(172, 137, 255, 0.4); }
.bento-card--pink:hover  { border-color: rgba(255, 89, 227, 0.4); }
.bento-card--dim:hover   { border-color: rgba(0, 222, 236, 0.4); }

.bento-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  display: block;
}

.bento-card--cyan  .bento-icon { color: var(--primary-dim); }
.bento-card--purple .bento-icon { color: var(--secondary); }
.bento-card--pink  .bento-icon { color: var(--tertiary); }
.bento-card--dim   .bento-icon { color: var(--primary-dim); }

.bento-title {
  font-family: var(--font-headline);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.bento-label {
  font-family: var(--font-headline);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

/* ===========================
   PROJECTS
=========================== */
.projects__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 4rem;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.projects__scroll-hint {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-family: var(--font-headline);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary);
}

.projects__scroll-hint .material-symbols-outlined {
  font-size: 1.2rem;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-card {
  background: var(--surface-high);
  border: 1px solid var(--ghost);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
  opacity: 0;
  transform: translateY(24px);
  display: flex;
  flex-direction: column;
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--transition), scale var(--transition);
}

.project-card.visible:hover {
  transform: scale(1.02);
  border-color: var(--ghost-hover);
}

/* Thumbnail */
.project-card__thumb {
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card__thumb--recipe {
  background: linear-gradient(135deg, #0a1a1c 0%, #0d2a2e 50%, #0a1a1c 100%);
}

.project-card__thumb--kanban {
  background: linear-gradient(135deg, #130a1f 0%, #1f0a3a 50%, #130a1f 100%);
}

.project-card__thumb--img {
  background: var(--surface-lowest);
}

.project-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  opacity: 0.75;
  transition: opacity var(--transition);
}


.project-card:hover .project-card__img {
  opacity: 1;
}

.project-card__thumb--portfolio {
  background: linear-gradient(135deg, #0d1a0a 0%, #0a2a1a 50%, #0d1a0a 100%);
}

.project-card__thumb--portfolio .thumb-icon { color: #ff59e3; }

.project-card__thumb-content {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.25;
  transition: opacity var(--transition);
}

.project-card:hover .project-card__thumb-content {
  opacity: 0.5;
}

.thumb-icon {
  font-size: 5rem;
  color: var(--on-surface);
}

.project-card__thumb--recipe .thumb-icon { color: var(--primary); }
.project-card__thumb--kanban .thumb-icon { color: var(--secondary); }

/* Floating tags */
.project-card__tags {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: flex;
  gap: 0.5rem;
  z-index: 2;
}

.project-tag {
  font-family: var(--font-headline);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  background: rgba(13, 14, 18, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--ghost);
  border-radius: var(--radius-sm);
}

.project-tag--cyan   { color: var(--primary); }
.project-tag--purple { color: var(--secondary); }

/* Card body */
.project-card__body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.project-card__desc {
  flex: 1;
}

.project-card__title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.project-card__desc {
  color: var(--on-surface-variant);
  font-size: 0.9rem;
  line-height: 1.7;
  flex: 1;
}

.project-card__actions {
  display: flex;
  gap: 1rem;
}

.project-card__actions .btn {
  flex: 1;
  justify-content: center;
}

.project-card__tech {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--ghost);
}

.tech-icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  transition: transform var(--transition);
  cursor: default;
}

.tech-icon-item:hover {
  transform: translateY(-3px);
}

.tech-icon-item i {
  font-size: 1.6rem;
  color: var(--on-surface-variant);
}

.tech-icon-item span {
  font-family: var(--font-headline);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--on-surface-variant);
  text-align: center;
  white-space: nowrap;
}

.tech-text-badge {
  font-family: var(--font-headline);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--on-surface-variant);
  background: var(--surface-highest);
  border: 1px solid var(--ghost);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

/* ===========================
   CONTACT
=========================== */
.contact {
  background: var(--surface-low);
}

.contact__panel {
  border: 1px solid var(--ghost);
  border-radius: 1.25rem;
  padding: 3.5rem;
}

.contact__header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.contact__header .section-subtitle {
  margin: 0 auto;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3.5rem;
  align-items: start;
}

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

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact__icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__icon-wrap--cyan   { background: rgba(143, 245, 255, 0.1); color: var(--primary); }
.contact__icon-wrap--purple { background: rgba(172, 137, 255, 0.1); color: var(--secondary); }

.contact__icon-wrap .material-symbols-outlined { font-size: 1.3rem; }

.contact__label {
  font-family: var(--font-headline);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  margin-bottom: 0.25rem;
}

.contact__value {
  font-size: 0.95rem;
  font-weight: 500;
}

/* FORM */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-family: var(--font-headline);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  padding-left: 4px;
}

.form-input {
  width: 100%;
  background: var(--surface-lowest);
  border: none;
  border-bottom: 2px solid var(--outline-variant);
  padding: 0.85rem 1rem;
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.form-input::placeholder {
  color: var(--outline);
}

.form-input:focus {
  border-bottom-color: var(--primary);
}

.form-textarea {
  resize: none;
}

/* ===========================
   FOOTER
=========================== */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--surface-high);
  background: var(--bg);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer__brand {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 700;
  color: var(--on-surface);
}

.footer__brand span {
  color: var(--primary);
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
}

.footer__links {
  display: flex;
  gap: 2rem;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  transition: color var(--transition);
  opacity: 0.8;
}

.footer__links a:hover { color: var(--secondary); opacity: 1; }
.footer__links-email   { color: var(--primary) !important; opacity: 1 !important; }

/* ===========================
   ANIMATIONS
=========================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__badge       { animation: fadeInUp 0.5s ease 0.1s both; }
.hero__headline    { animation: fadeInUp 0.5s ease 0.25s both; }
.hero__description { animation: fadeInUp 0.5s ease 0.4s both; }
.hero__actions     { animation: fadeInUp 0.5s ease 0.55s both; }

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 900px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(13, 14, 18, 0.97);
    border-bottom: 1px solid var(--ghost);
    padding: 1.5rem 2rem;
    gap: 1.5rem;
    backdrop-filter: blur(20px);
  }

  .nav__links.open { display: flex; }

  .nav__toggle { display: flex; }

  .btn--resume { display: none; }

  .contact__panel { padding: 2rem 1.5rem; }

  .form-row { grid-template-columns: 1fr; }

  .footer__inner { flex-direction: column; text-align: center; }
  .footer__links { justify-content: center; flex-wrap: wrap; }
}

@media (max-width: 480px) {
  .section { padding: 5rem 0; }

  .hero__headline { letter-spacing: -0.03em; }

  .project-card__actions { flex-direction: column; }

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