/* Art direction: professional developer portfolio -> clean, bright, responsive
   Palette light: white surfaces with blue accent
   Palette dark: deep surfaces with blue accent
   Typography: Clash Display + Satoshi */

:root,
[data-theme="light"] {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2.2rem, 1.2rem + 3vw, 4.75rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* LIGHT THEME: putih sebagai warna utama */
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-surface-2: #f8fafc;
  --color-surface-offset: #eef4ff;
  --color-border: #dbe3ef;
  --color-divider: #e8edf5;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-faint: #94a3b8;
  --color-text-inverse: #ffffff;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-highlight: #dbeafe;
  --color-success: #16a34a;
  --color-error: #e11d48;

  --radius-sm: 0.5rem;
  --radius-md: 0.9rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.8rem;
  --radius-full: 9999px;

  --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 10px 28px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 18px 50px rgba(15, 23, 42, 0.16);

  --font-display: "Clash Display", "Georgia", serif;
  --font-body: "Satoshi", "Inter", system-ui, sans-serif;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --color-bg: #050608;
  --color-surface: #0c0e14;
  --color-surface-2: #10131a;
  --color-surface-offset: #161922;
  --color-border: #1f2333;
  --color-divider: #191c28;
  --color-text: #dde0ea;
  --color-text-muted: #7a7f96;
  --color-text-faint: #464c62;
  --color-text-inverse: #050608;
  --color-primary: #60a5fa;
  --color-primary-hover: #93c5fd;
  --color-primary-highlight: #172038;

  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.75);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}
body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
}
img,
svg {
  display: block;
  max-width: 100%;
}
a {
  text-decoration: none;
}
button,
input,
textarea {
  font: inherit;
}
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  z-index: 9999;
}
.skip-link:focus {
  top: 1rem;
}

.section-pad {
  padding: clamp(4rem, 8vw, 7rem) 0;
}
.section-alt {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-surface) 88%, transparent),
    color-mix(in srgb, var(--color-surface-2) 88%, transparent)
  );
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 1rem;
}
.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.08;
  margin-bottom: 1rem;
}
.section-heading p {
  color: var(--color-primary);
}
.section-body,
.section-subtext {
  color: var(--color-text-muted);
  max-width: 65ch;
}
.section-header {
  max-width: 760px;
  margin: 0 auto 1rem;
}

.navbar-custom {
  padding: 1rem 0;
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid
    color-mix(in srgb, var(--color-border) 70%, transparent);
  transition:
    padding var(--transition-interactive),
    box-shadow var(--transition-interactive),
    background var(--transition-interactive);
}
.navbar-custom.scrolled {
  padding: 0.75rem 0;
  box-shadow: var(--shadow-sm);
}
.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
  font-weight: 700;
}
.navbar-brand svg {
  color: var(--color-primary);
}
.brand-text {
  font-size: 1rem;
}
.brand-text span {
  color: var(--color-primary);
}
.nav-link-custom {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.6rem 0.95rem;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-interactive);
}
.nav-link-custom:hover,
.nav-link-custom.active {
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
}
.theme-toggle {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--color-border) 90%, transparent);
  background: var(--color-surface);
  color: var(--color-text);
}
.navbar-toggler {
  border: 1px solid color-mix(in srgb, var(--color-border) 90%, transparent);
  border-radius: 999px;
  padding: 0.55rem 0.8rem;
}
.navbar-toggler:focus {
  box-shadow: none;
}

/* ── HERO ─────────────────────────────────────── */
.hero-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(
      ellipse at top right,
      rgba(59, 130, 246, 0.18) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at bottom left,
      rgba(59, 130, 246, 0.07) 0%,
      transparent 45%
    ),
    var(--color-bg);
}
.hero-bg-shape {
  position: absolute;
  inset: auto -10% 10% auto;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.1);
  filter: blur(60px);
  pointer-events: none;
}
.hero-eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.hero-name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 0.95;
  margin-bottom: 1.2rem;
}
.hero-name em {
  color: var(--color-primary);
  font-style: normal;
  background: linear-gradient(90deg, #3b82f6, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-role {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}
.role-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-full);
  background: color-mix(
    in srgb,
    var(--color-primary) 10%,
    var(--color-surface)
  );
  border: 1px solid color-mix(in srgb, var(--color-primary) 18%, transparent);
  font-size: var(--text-sm);
  font-weight: 600;
}
.role-sep {
  color: var(--color-text-faint);
}
.hero-desc {
  max-width: 60ch;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}
.btn-primary-custom,
.btn-outline-custom {
  min-height: 48px;
  padding: 0.85rem 1.3rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: all var(--transition-interactive);
}
.btn-primary-custom {
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.35);
}
.btn-primary-custom:hover {
  background: var(--color-primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(59, 130, 246, 0.5);
}
.btn-outline-custom {
  background: transparent;
  color: var(--color-text);
  border: 1px solid color-mix(in srgb, var(--color-border) 95%, transparent);
}
.btn-outline-custom:hover {
  background: var(--color-surface);
  color: var(--color-primary);
  border-color: color-mix(in srgb, var(--color-primary) 40%, transparent);
  transform: translateY(-2px);
}
.profile-photo-wrapper {
  position: relative;
  width: fit-content;
  max-width: 100%;
  margin-inline: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.profile-photo {
  width: 320px;
  max-width: 100%;
  height: 320px;
  border-radius: 28px;
  object-fit: cover;
  object-position: center;
  aspect-ratio: 1 / 1;
  display: block;
  margin-inline: auto;
  box-shadow:
    0 0 0 8px var(--color-surface),
    var(--shadow-lg),
    0 0 40px rgba(59, 130, 246, 0.15);
  border: 8px solid var(--color-surface);
}

.profile-badge {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-xs);
  font-weight: 700;
  box-shadow: var(--shadow-md);
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  white-space: nowrap;
  border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
}

@media (max-width: 767.98px) {
  .profile-photo {
    width: 260px;
    height: 260px;
    border-radius: 24px;
  }
}

@media (max-width: 575.98px) {
  .profile-photo {
    width: 230px;
    height: 230px;
    border-width: 6px;
  }

  .profile-badge {
    bottom: 0.75rem;
    padding: 0.55rem 0.85rem;
    font-size: 0.72rem;
  }
}
.hero-scroll-hint {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
}
.hero-scroll-hint a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  border: 1px solid color-mix(in srgb, var(--color-border) 80%, transparent);
}

/* ── ABOUT ────────────────────────────────────── */
.about-img-wrapper {
  position: relative;
  max-width: 440px;
}
.about-img {
  width: 100%;
  border-radius: 28px;
  object-fit: cover;
  box-shadow: var(--shadow-md);
}
.about-info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.about-info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1rem;
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--color-border) 95%, transparent);
  border-radius: 20px;
  transition: border-color var(--transition-interactive);
}
.about-info-item:hover {
  border-color: color-mix(in srgb, var(--color-primary) 30%, transparent);
}
.about-info-item i {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
}
.about-info-item small {
  display: block;
  color: var(--color-text-faint);
  margin-bottom: 0.2rem;
}
.about-info-item strong {
  font-size: var(--text-sm);
}

/* ── SKILLS ───────────────────────────────────── */
.skill-card,
.contact-form-card,
.project-card {
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--color-border) 92%, transparent);
  border-radius: 28px;
  box-shadow: var(--shadow-sm);
}
.skill-card {
  padding: 1.5rem;
  height: 100%;
}
.skill-cat-title {
  font-size: var(--text-lg);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.skill-item + .skill-item {
  margin-top: 1.25rem;
}
.skill-info {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.6rem;
  font-size: var(--text-sm);
  font-weight: 600;
}
.skill-pct {
  color: var(--color-primary);
}
.skill-progress {
  height: 8px;
  background: color-mix(in srgb, var(--color-border) 55%, transparent);
  border-radius: 999px;
  overflow: hidden;
}
.skill-progress .progress-bar {
  background: linear-gradient(90deg, #3b82f6, #93c5fd);
  border-radius: 999px;
  transition: width 1.1s ease;
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.5);
}
.tools-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.tool-chip {
  padding: 0.8rem 1rem;
  border-radius: 999px;
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--color-border) 95%, transparent);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 600;
  transition: all var(--transition-interactive);
}
.tool-chip:hover {
  border-color: color-mix(in srgb, var(--color-primary) 40%, transparent);
  color: var(--color-primary);
}

/* ── PROJECTS ─────────────────────────────────── */
.project-card {
  overflow: hidden;
  transition:
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
}
.project-card:hover {
  transform: translateY(-8px);
  box-shadow:
    var(--shadow-md),
    0 0 30px rgba(59, 130, 246, 0.1);
  border-color: color-mix(in srgb, var(--color-primary) 25%, transparent);
}
.project-img-wrap {
  position: relative;
  overflow: hidden;
}
.project-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.project-card:hover .project-img {
  transform: scale(1.05);
}
.project-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  opacity: 0;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.6));
  transition: opacity var(--transition-interactive);
}
.project-card:hover .project-overlay {
  opacity: 1;
}
.btn-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.92);
  color: #111;
}
.project-body {
  padding: 1.4rem;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
}
.ptag {
  font-size: 0.76rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
  font-weight: 700;
  border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
}
.project-title {
  font-size: 1.2rem;
  margin-bottom: 0.7rem;
}
.project-desc {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-bottom: 1rem;
}
.project-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.project-links a {
  color: var(--color-text-muted);
  font-weight: 700;
  font-size: var(--text-sm);
  transition: color var(--transition-interactive);
}
.project-links a:hover {
  color: var(--color-primary);
}

.project-slider {
  position: relative;
  width: 100%;
  padding-inline: 0.25rem;
}

/* Track horizontal untuk project carousel */
.project-track {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scroll-padding-inline: 0.25rem;
  padding: 0.5rem 0.25rem 1.25rem;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.project-track::-webkit-scrollbar {
  display: none;
}

/* Slide asli dan clone harus memiliki ukuran yang sama */
.project-slide,
.project-slide-clone {
  flex: 0 0 calc((100% - 3rem) / 3);
  scroll-snap-align: start;
  min-width: 0;
}

.project-slide .project-card,
.project-slide-clone .project-card {
  height: 100%;
}

/* Tombol panah kiri-kanan */
.project-nav {
  position: absolute;
  top: 50%;
  z-index: 10;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--color-border) 90%, transparent);
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-50%);
  transition: all var(--transition-interactive);
  cursor: pointer;
}

.project-nav:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.project-nav:active {
  transform: translateY(-50%) scale(0.96);
}

.project-nav-prev {
  left: -22px;
}

.project-nav-next {
  right: -22px;
}

.project-nav.is-disabled,
.project-nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
}

/* Bar indikator posisi carousel */
.project-progress {
  width: min(220px, 55vw);
  height: 6px;
  margin: 0.75rem auto 0;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-border) 70%, transparent);
  overflow: hidden;
}

.project-progress-bar {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: var(--color-primary);
  transition: width 220ms ease;
}

/* Tablet: tampil 2 card */
@media (max-width: 991.98px) {
  .project-slide,
  .project-slide-clone {
    flex-basis: calc((100% - 1.5rem) / 2);
  }

  .project-nav-prev {
    left: 0;
  }

  .project-nav-next {
    right: 0;
  }
}

/* Mobile: tampil 1 card */
@media (max-width: 767.98px) {
  .project-slider {
    padding-inline: 0;
  }

  .project-track {
    gap: 1rem;
    padding-inline: 0.15rem;
    scroll-padding-inline: 0.15rem;
  }

  .project-slide,
  .project-slide-clone {
    flex-basis: 100%;
  }

  .project-nav {
    width: 40px;
    height: 40px;
  }

  .project-nav-prev {
    left: 0.25rem;
  }

  .project-nav-next {
    right: 0.25rem;
  }

  .project-progress {
    width: min(180px, 48vw);
    height: 5px;
    margin-top: 0.5rem;
  }
}

/* HP kecil */
@media (max-width: 575.98px) {
  .project-track {
    gap: 0.9rem;
  }

  .project-slide,
  .project-slide-clone {
    flex-basis: 100%;
  }

  .project-nav {
    width: 38px;
    height: 38px;
  }
}

/* ── CONTACT ──────────────────────────────────── */
.contact-info-list {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}
.contact-info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.1rem;
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--color-border) 95%, transparent);
  border-radius: 22px;
  color: var(--color-text);
  transition: border-color var(--transition-interactive);
}
.contact-info-item:hover {
  border-color: color-mix(in srgb, var(--color-primary) 30%, transparent);
}
.ci-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 11%, transparent);
}
.contact-info-item small {
  display: block;
  color: var(--color-text-faint);
}
.contact-form-card {
  padding: 1.5rem;
}
.form-label-custom {
  display: block;
  margin-bottom: 0.5rem;
  font-size: var(--text-sm);
  font-weight: 700;
}
.form-input-custom {
  width: 100%;
  min-height: 50px;
  padding: 0.9rem 1rem;
  border-radius: 18px;
  border: 1px solid color-mix(in srgb, var(--color-border) 95%, transparent);
  background: var(--color-surface-2);
  color: var(--color-text);
  transition:
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}
textarea.form-input-custom {
  min-height: 140px;
  resize: vertical;
}
.form-input-custom::placeholder {
  color: var(--color-text-faint);
}
.form-input-custom:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--color-primary) 50%, transparent);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}
.alert-success-custom,
.alert-error-custom {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  border-radius: 20px;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}
.alert-success-custom {
  background: color-mix(in srgb, var(--color-success) 11%, transparent);
  color: var(--color-success);
  border: 1px solid color-mix(in srgb, var(--color-success) 20%, transparent);
}
.alert-error-custom {
  background: color-mix(in srgb, var(--color-error) 10%, transparent);
  color: var(--color-error);
  border: 1px solid color-mix(in srgb, var(--color-error) 20%, transparent);
}
.alert-success-custom p,
.alert-error-custom p {
  margin: 0.2rem 0 0;
  color: var(--color-text-muted);
}

/* ── FOOTER ───────────────────────────────────── */
.site-footer {
  padding: 1.5rem 0 2rem;
  border-top: 1px solid color-mix(in srgb, var(--color-border) 92%, transparent);
  background: var(--color-bg);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
}
.footer-brand svg {
  color: var(--color-primary);
}
.footer-copy {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.footer-socials {
  display: flex;
  gap: 0.65rem;
}
.footer-socials a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--color-border) 95%, transparent);
  transition: all var(--transition-interactive);
}
.footer-socials a:hover {
  color: #fff;
  background: var(--color-primary);
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.4);
}

/* ── ANIMATIONS ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ───────────────────────────────── */
@media (max-width: 991.98px) {
  .navbar-custom {
    transition:
      transform 220ms ease,
      padding var(--transition-interactive),
      box-shadow var(--transition-interactive),
      background var(--transition-interactive);
  }

  .navbar-custom.nav-hidden {
    transform: translateY(-100%);
  }
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--color-surface);
    border: 1px solid color-mix(in srgb, var(--color-border) 95%, transparent);
    border-radius: 24px;
    padding: 1rem;
    margin-top: 1rem;
    box-shadow: var(--shadow-md);
  }
  .hero-text {
    text-align: center;
  }
  .hero-role,
  .hero-actions {
    justify-content: center;
  }
  .about-img-wrapper {
    margin: 0 auto;
  }
}

@media (max-width: 767.98px) {
  .hero-name {
    font-size: clamp(2.1rem, 9vw, 3.2rem);
  }
  .section-heading {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
  }
  .about-info-grid {
    grid-template-columns: 1fr;
  }
  .about-xp-card {
    right: 12px;
    bottom: 12px;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-scroll-hint {
    display: none;
  }
}

/* ── LIGHT THEME & RESPONSIVE REFINEMENTS ───────────────── */
.section-alt {
  background:
    radial-gradient(
      circle at top left,
      rgba(37, 99, 235, 0.08) 0%,
      transparent 32%
    ),
    linear-gradient(180deg, #f3f7ff 0%, #eef4ff 100%);
}

.navbar-custom {
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

[data-theme="dark"] .section-alt {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-surface) 88%, transparent),
    color-mix(in srgb, var(--color-surface-2) 88%, transparent)
  );
}

.navbar-toggler-icon {
  width: 1.25em;
  height: 1.25em;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%230f172a' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

[data-theme="dark"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23dde0ea' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.hero-section {
  background:
    radial-gradient(
      ellipse at top right,
      color-mix(in srgb, var(--color-primary) 16%, transparent) 0%,
      transparent 52%
    ),
    radial-gradient(
      ellipse at bottom left,
      color-mix(in srgb, var(--color-primary) 8%, transparent) 0%,
      transparent 48%
    ),
    var(--color-bg);
}

.hero-name em,
.skill-progress .progress-bar {
  background: linear-gradient(
    90deg,
    var(--color-primary),
    var(--color-primary-hover)
  );
}

.hero-name em {
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn-primary-custom {
  box-shadow: 0 10px 24px
    color-mix(in srgb, var(--color-primary) 24%, transparent);
}

.btn-primary-custom:hover {
  box-shadow: 0 14px 30px
    color-mix(in srgb, var(--color-primary) 32%, transparent);
}

.profile-photo {
  box-shadow:
    0 0 0 8px var(--color-surface),
    var(--shadow-lg),
    0 0 40px color-mix(in srgb, var(--color-primary) 14%, transparent);
}

@media (min-width: 992px) {
  .navbar-custom .container {
    flex-wrap: nowrap;
  }

  .navbar-brand {
    order: 1;
  }

  .navbar-collapse {
    order: 2;
    flex-grow: 0;
  }

  .navbar-custom .d-flex.align-items-center {
    order: 3;
    margin-left: 0.75rem !important;
  }

  .navbar-toggler {
    display: none;
  }
}

@media (max-width: 991.98px) {
  html {
    scroll-padding-top: 78px;
  }

  body {
    overflow-x: hidden;
  }

  .navbar-custom {
    padding: 0.7rem 0;
  }

  .navbar-custom .container {
    flex-wrap: wrap;
  }

  .navbar-brand {
    max-width: calc(100% - 112px);
  }

  .brand-text {
    font-size: 0.95rem;
  }

  .theme-toggle,
  .navbar-toggler {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 42px;
  }

  .navbar-collapse {
    width: 100%;
    flex-basis: 100%;
    max-height: calc(100dvh - 84px);
    overflow-y: auto;
    background: var(--color-surface);
    border: 1px solid color-mix(in srgb, var(--color-border) 95%, transparent);
    border-radius: 22px;
    padding: 0.85rem;
    margin-top: 0.85rem;
    box-shadow: var(--shadow-md);
  }

  .navbar-nav {
    align-items: stretch !important;
  }

  .nav-link-custom {
    width: 100%;
    justify-content: center;
    border-radius: 16px;
    padding: 0.8rem 1rem;
  }

  .hero-section .row.min-vh-100 {
    min-height: auto !important;
    padding-top: 7rem !important;
    padding-bottom: 3.25rem !important;
  }

  .hero-text {
    text-align: center;
  }

  .hero-role,
  .hero-actions {
    justify-content: center;
  }

  .profile-photo-wrapper {
    width: min(78vw, 310px);
    margin-top: 0.5rem;
  }

  .profile-photo {
    border-width: 6px;
    border-radius: 24px;
  }

  .about-img-wrapper {
    margin: 0 auto;
  }

  .hero-scroll-hint {
    display: none;
  }
}

@media (max-width: 767.98px) {
  .container {
    padding-left: 1.05rem;
    padding-right: 1.05rem;
  }

  .section-pad {
    padding: clamp(3.25rem, 10vw, 4.5rem) 0;
  }

  .hero-name {
    font-size: clamp(2rem, 10vw, 2.8rem);
  }

  .section-heading {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

  .hero-role {
    gap: 0.55rem;
  }

  .role-badge {
    width: 100%;
    justify-content: center;
    padding: 0.7rem 0.9rem;
  }

  .role-sep {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .about-info-grid {
    grid-template-columns: 1fr;
  }

  .skill-card,
  .contact-form-card,
  .project-card {
    border-radius: 22px;
  }

  .skill-card,
  .contact-form-card {
    padding: 1.15rem;
  }

  .tools-row {
    gap: 0.6rem;
  }

  .tool-chip {
    padding: 0.7rem 0.85rem;
    font-size: 0.84rem;
  }

  .project-body {
    padding: 1.1rem;
  }

  .contact-info-item {
    align-items: flex-start;
    word-break: break-word;
  }

  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-brand,
  .footer-socials {
    margin-inline: auto;
  }

  .footer-copy {
    text-align: center;
  }
}

@media (max-width: 575.98px) {
  .hero-section .row.min-vh-100 {
    padding-top: 6.25rem !important;
  }

  .hero-name {
    font-size: clamp(2rem, 10vw, 2.8rem);
    line-height: 1;
  }

  .section-heading {
    font-size: clamp(1.75rem, 8.5vw, 2.2rem);
  }

  .profile-badge {
    bottom: 0.75rem;
    max-width: calc(100% - 1rem);
    font-size: 0.72rem;
  }

  .about-xp-card {
    position: static;
    margin-top: 1rem;
    justify-content: center;
  }

  .skill-info {
    align-items: flex-start;
  }

  .footer-socials {
    justify-content: center;
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}