/* --------------------------------------------------------------------------
   Portfolio — Saskrit Bhattarai
   Namespace prefix: sb- (avoids collisions with third-party CSS)
   Palette: #000000 | #1F150C | #412D15 | #E1DCC9
   Dark = default | Light = data-theme="light"
   -------------------------------------------------------------------------- */

:root,
[data-theme="dark"] {
  --black: #000000;
  --ink: #364236;
  --bark: #d05b5e;
  --paper: #F3F3F1;

  --bg: var(--ink);
  --bg-deep: var(--black);
  --bg-raised: var(--ink);
  --bg-header: var(--ink);
  --bg-header-scrolled: var(--black);
  --bg-nav: var(--black);
  --bg-hero: var(--black);
  --bg-hero-panel: var(--ink);

  --text: var(--paper);
  --text-muted: color-mix(in srgb, var(--paper) 72%, transparent);
  --text-soft: color-mix(in srgb, var(--paper) 62%, transparent);
  --text-faint: color-mix(in srgb, var(--paper) 45%, transparent);
  --text-label: color-mix(in srgb, var(--paper) 50%, var(--bark));

  --border: var(--bark);
  --border-soft: color-mix(in srgb, var(--bark) 50%, transparent);
  --grid-line: color-mix(in srgb, var(--bark) 40%, transparent);

  --btn-primary-bg: var(--paper);
  --btn-primary-text: var(--ink);
  --btn-primary-border: var(--paper);
  --btn-primary-hover-bg: transparent;
  --btn-primary-hover-text: var(--paper);

  --btn-ghost-text: var(--paper);
  --btn-ghost-border: var(--bark);
  --btn-ghost-hover-bg: var(--bark);
  --btn-ghost-hover-border: var(--paper);

  --skip-bg: var(--paper);
  --skip-text: var(--ink);
}

[data-theme="light"] {
  --bg: var(--paper);
  --bg-deep: var(--paper);
  --bg-raised: var(--paper);
  --bg-header: var(--paper);
  --bg-header-scrolled: var(--paper);
  --bg-nav: var(--paper);
  --bg-hero: var(--paper);
  --bg-hero-panel: var(--bark);

  --text: var(--ink);
  --text-muted: color-mix(in srgb, var(--ink) 78%, transparent);
  --text-soft: color-mix(in srgb, var(--ink) 68%, transparent);
  --text-faint: color-mix(in srgb, var(--ink) 48%, transparent);
  --text-label: var(--bark);

  --border: var(--bark);
  --border-soft: color-mix(in srgb, var(--bark) 55%, transparent);
  --grid-line: color-mix(in srgb, var(--bark) 35%, transparent);

  --btn-primary-bg: var(--ink);
  --btn-primary-text: var(--paper);
  --btn-primary-border: var(--ink);
  --btn-primary-hover-bg: transparent;
  --btn-primary-hover-text: var(--ink);

  --btn-ghost-text: var(--ink);
  --btn-ghost-border: var(--bark);
  --btn-ghost-hover-bg: var(--bark);
  --btn-ghost-hover-border: var(--bark);
  --btn-ghost-hover-text: var(--paper);

  --skip-bg: var(--ink);
  --skip-text: var(--paper);
}

:root {
  --font-display: "Zilla Slab", Georgia, serif;
  --font-body: "Work Sans", sans-serif;
  --font-ui: "Overpass", sans-serif;
  --font-label: "Nunito", sans-serif;

  --text-body: 1.0625rem;
  --text-h1-min: 2rem;
  --text-h1-max: 3rem;
  --text-h2: 1.75rem;
  --text-h3: 1.5rem;
  --text-caption: 0.8125rem;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  --header-h: 4.25rem;
  --page-pad: clamp(1.25rem, 4vw, 2.5rem);
  --grid-size: 5rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 72rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  scrollbar-width: none;
}

html::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease);
  overflow-x: clip;
  scrollbar-width: none;
}

body::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

::selection {
  background: var(--bark);
  color: var(--paper);
}

:where(a, button, input, textarea):focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.sb-skip-link {
  position: absolute;
  left: var(--space-sm);
  top: -100%;
  z-index: 1000;
  padding: 0.65rem 1rem;
  background: var(--skip-bg);
  color: var(--skip-text);
  font-family: var(--font-ui);
  font-size: var(--text-caption);
  font-weight: 600;
}

.sb-skip-link:focus {
  top: var(--space-sm);
}

/* Scroll frame — draws a rectangle clockwise as you scroll */
.sb-scroll-frame {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
}

.sb-scroll-frame-edge {
  position: absolute;
  background: var(--text);
  will-change: transform;
}

.sb-scroll-frame-edge--top {
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left center;
}

.sb-scroll-frame-edge--right {
  top: 0;
  right: 0;
  width: 2px;
  height: 100%;
  transform: scaleY(0);
  transform-origin: center top;
}

.sb-scroll-frame-edge--bottom {
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: right center;
}

.sb-scroll-frame-edge--left {
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  transform: scaleY(0);
  transform-origin: center bottom;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.sb-site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease);
}

.sb-site-header.sb-is-scrolled {
  background: var(--bg-header-scrolled);
}

.sb-header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.sb-logo {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  transition: color 0.25s var(--ease);
  line-height: 1;
}

.sb-logo:hover {
  color: var(--text-muted);
}

.sb-header-end {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: auto;
  min-height: 2.75rem;
}

.sb-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.sb-theme-toggle:hover,
.sb-theme-toggle:focus-visible {
  background: var(--bark);
  color: var(--paper);
  border-color: var(--bark);
}

.sb-theme-toggle-icon {
  display: none;
  line-height: 0;
}

[data-theme="dark"] .sb-theme-toggle-icon--sun {
  display: block;
}

[data-theme="light"] .sb-theme-toggle-icon--moon {
  display: block;
}

.sb-site-nav {
  display: flex;
  align-items: center;
  height: 100%;
}

.sb-site-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
  height: 2.75rem;
}

.sb-site-nav a {
  font-family: var(--font-ui);
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 2.75rem;
  padding: 0;
  transition: color 0.25s var(--ease);
}

.sb-site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.55rem;
  width: 100%;
  height: 1px;
  background: var(--text);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.sb-site-nav a:hover,
.sb-site-nav a:focus-visible,
.sb-site-nav a.sb-is-active {
  color: var(--text);
}

.sb-site-nav a:hover::after,
.sb-site-nav a:focus-visible::after,
.sb-site-nav a.sb-is-active::after {
  transform: scaleX(1);
}

.sb-nav-cta {
  padding: 0 0.9rem !important;
  border: 1px solid var(--border);
  color: var(--text) !important;
  height: 2.75rem !important;
}

.sb-nav-cta::after {
  display: none;
}

.sb-nav-cta:hover,
.sb-nav-cta:focus-visible {
  background: var(--bark);
  border-color: var(--bark);
  color: var(--paper) !important;
}

.sb-nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  position: relative;
}

.sb-nav-toggle span {
  display: block;
  width: 1.35rem;
  height: 1.5px;
  background: var(--text);
  margin: 0 auto;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.sb-nav-toggle span:first-child {
  margin-bottom: 0.4rem;
}

.sb-nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(0.28rem) rotate(45deg);
}

.sb-nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-0.28rem) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.sb-hero {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-h) + 2rem) var(--page-pad);
  overflow: hidden;
  background: transparent;
  text-align: center;
  cursor: none;
}

.sb-hero .sb-btn,
.sb-hero .sb-hero-links a {
  cursor: pointer;
}

/* Frame: top = header border; left / right / bottom match it */
.sb-hero-bg {
  --grid-x: var(--grid-size);
  --grid-y: var(--grid-size);
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  background-color: transparent;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  box-sizing: border-box;
}

/* Internal grid lines meet the frame on all four sides */
.sb-hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size:
    var(--grid-x) 100%,
    100% var(--grid-y);
  background-position:
    var(--grid-x) 0,
    0 var(--grid-y);
  opacity: 0.45;
}

.sb-hero-stars {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: block;
}

.sb-site-stars {
  position: fixed;
  inset: 0;
  z-index: 90;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.35s ease;
}

.sb-site-stars[data-depth="soft"] {
  opacity: 0.38;
}

.sb-site-stars .sb-hero-stars {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.sb-hero-spot {
  --spot-x: 50%;
  --spot-y: 45%;
  --spot-size: 3rem;
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  background: radial-gradient(
    circle var(--spot-size) at var(--spot-x) var(--spot-y),
    color-mix(in srgb, var(--paper) 70%, transparent) 0%,
    color-mix(in srgb, var(--paper) 28%, transparent) 42%,
    transparent 74%
  );
  mix-blend-mode: screen;
}

.sb-hero.sb-is-spotting .sb-hero-spot {
  opacity: 1;
}

[data-theme="light"] .sb-hero-spot {
  background: radial-gradient(
    circle var(--spot-size) at var(--spot-x) var(--spot-y),
    color-mix(in srgb, var(--ink) 55%, transparent) 0%,
    color-mix(in srgb, var(--bark) 28%, transparent) 42%,
    transparent 74%
  );
  mix-blend-mode: multiply;
}

@media (prefers-reduced-motion: reduce) {
  .sb-hero {
    cursor: auto;
  }

  .sb-hero a,
  .sb-hero button {
    cursor: pointer;
  }

  .sb-hero-spot {
    display: none;
  }
}

.sb-hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: min(52rem, 100%);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sb-hero-photo {
  width: clamp(7.5rem, 18vw, 9.5rem);
  height: clamp(7.5rem, 18vw, 9.5rem);
  margin-block: 1.75rem;
  border: 1px solid var(--border);
  padding: 0.35rem;
  opacity: 0;
  transform: translateY(1rem) scale(0.96);
  animation: photo-in 0.95s var(--ease) 0.08s forwards;
}

.sb-hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  background: var(--bg-deep);
}

.sb-hero-role {
  font-family: var(--font-label);
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-label);
  margin-bottom: 1.25rem;
  opacity: 0;
  transform: translateY(1rem);
  animation: rise 0.9s var(--ease) 0.22s forwards;
}

.sb-hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 8.5vw, 4.25rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--text);
  margin-bottom: 1.35rem;
  min-height: 1.15em;
  opacity: 0;
  transform: translateY(1.25rem);
  animation: rise 1s var(--ease) 0.34s forwards;
}

.sb-typewriter {
  display: inline;
}

.sb-tw-slot {
  position: relative;
  display: inline-block;
  white-space: pre;
}

.sb-tw-ghost {
  visibility: hidden;
  pointer-events: none;
}

.sb-tw-live {
  position: absolute;
  left: 0;
  top: 0;
  white-space: pre;
}

.sb-hero-rule {
  display: block;
  width: 3rem;
  height: 1px;
  background: var(--border);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: center;
  animation: rule-in 0.7s var(--ease) 0.52s forwards;
}

.sb-hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  opacity: 0;
  transform: translateY(1rem);
  animation: rise 1s var(--ease) 0.72s forwards;
}

.sb-hero-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 1.35rem;
  opacity: 0;
  transform: translateY(1rem);
  animation: rise 1s var(--ease) 0.82s forwards;
}

.sb-hero-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: opacity 0.25s var(--ease), filter 0.25s var(--ease);
}

.sb-hero-links a:hover,
.sb-hero-links a:focus-visible {
  opacity: 0.8;
}

.sb-hero-links svg {
  width: 0.9rem;
  height: 0.9rem;
  stroke-width: 1.7;
}

.sb-hero-links .sb-link-github,
.sb-contact-links .sb-link-github {
  color: #e6edf3;
}

[data-theme="light"] .sb-hero-links .sb-link-github,
[data-theme="light"] .sb-contact-links .sb-link-github {
  color: #181717;
}

.sb-hero-links .sb-link-linkedin,
.sb-contact-links .sb-link-linkedin {
  color: #0a66c2;
}

.sb-hero-links .sb-link-email {
  color: #ea4335;
}

.sb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3rem;
  padding: 0 1.5rem;
  font-family: var(--font-ui);
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.sb-btn svg {
  width: 1rem;
  height: 1rem;
  stroke-width: 1.75;
  flex-shrink: 0;
}

.sb-btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border: 1px solid var(--btn-primary-border);
}

.sb-btn-primary:hover,
.sb-btn-primary:focus-visible {
  background: var(--btn-primary-hover-bg);
  color: var(--btn-primary-hover-text);
}

.sb-btn-ghost {
  background: transparent;
  color: var(--btn-ghost-text);
  border: 1px solid var(--btn-ghost-border);
}

.sb-btn-ghost:hover,
.sb-btn-ghost:focus-visible {
  border-color: var(--btn-ghost-hover-border);
  background: var(--btn-ghost-hover-bg);
  color: var(--btn-ghost-hover-text, var(--btn-ghost-text));
}

[data-theme="light"] .sb-btn-ghost:hover,
[data-theme="light"] .sb-btn-ghost:focus-visible {
  color: var(--paper);
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes photo-in {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes rule-in {
  to {
    opacity: 1;
    transform: scaleX(1);
  }
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */

.sb-section {
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--border-soft);
}

.sb-section-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.sb-section-label {
  font-family: var(--font-label);
  font-size: var(--text-caption);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-label);
  margin-bottom: var(--space-sm);
}

.sb-section-head {
  max-width: 40rem;
  margin-bottom: var(--space-xl);
}

.sb-section-head--row {
  max-width: none;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-md);
}

.sb-section-head--row > div:first-child {
  max-width: 40rem;
}

.sb-section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, var(--text-h2));
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

.sb-section-desc {
  margin-top: var(--space-sm);
  color: var(--text-soft);
  max-width: 36rem;
}

.sb-about,
.sb-skills,
.sb-contact {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}

.sb-work,
.sb-education {
  background: color-mix(in srgb, var(--bg-deep) 88%, transparent);
}

/* --------------------------------------------------------------------------
   About
   -------------------------------------------------------------------------- */

.sb-about-layout {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border);
}

@media (min-width: 900px) {
  .sb-about-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(14rem, 0.75fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: end;
  }
}

.sb-about-intro .sb-section-label {
  margin-bottom: 0.85rem;
}

.sb-about-intro h2 {
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.8vw, 2.15rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 22ch;
  margin-bottom: 1.5rem;
}

.sb-about-lead {
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 38rem;
}

.sb-about-meta {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
}

.sb-about-meta li {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1.1rem 1.15rem;
  border-bottom: 1px solid var(--border-soft);
}

.sb-about-meta li:last-child {
  border-bottom: 0;
}

.sb-about-meta-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--border);
  color: var(--text);
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.sb-about-meta-icon svg {
  width: 1.05rem;
  height: 1.05rem;
  stroke-width: 1.6;
}

.sb-about-meta-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.25rem;
}

.sb-about-meta-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
}

.sb-about-body {
  display: grid;
  gap: var(--space-lg);
  margin-bottom: 0;
}

@media (min-width: 800px) {
  .sb-about-body {
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: var(--space-xl);
  }
}

.sb-about-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  color: var(--text-muted);
  max-width: 40rem;
  font-size: 1.05rem;
  line-height: 1.7;
}

.sb-about-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  align-self: start;
  font-family: var(--font-ui);
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.95rem 1.2rem;
  white-space: nowrap;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease), gap 0.3s var(--ease);
}

.sb-about-cta svg {
  width: 1rem;
  height: 1rem;
  stroke-width: 1.75;
  transition: transform 0.3s var(--ease);
}

.sb-about-cta:hover,
.sb-about-cta:focus-visible {
  background: var(--bark);
  border-color: var(--bark);
  color: var(--paper);
  gap: 0.85rem;
}

.sb-about-cta:hover svg,
.sb-about-cta:focus-visible svg {
  transform: translate(2px, -2px);
}

/* --------------------------------------------------------------------------
   Capabilities
   -------------------------------------------------------------------------- */

.sb-skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .sb-skills-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.35rem;
  }
}

.sb-skill-block {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: clamp(1.25rem, 2.8vw, 1.65rem);
  border: 1px solid var(--border);
  background: var(--bg-deep);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.35s var(--ease);
}

.sb-skill-block::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: var(--border);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease), background 0.3s var(--ease);
}

.sb-skill-block:hover {
  border-color: var(--text);
  transform: translateY(-3px);
}

.sb-skill-block:hover::before {
  transform: scaleX(1);
  background: var(--text);
}

.sb-skill-block-head {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.sb-skill-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--border);
  color: var(--text);
  flex-shrink: 0;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.sb-skill-block:hover .sb-skill-icon {
  background: var(--bark);
  border-color: var(--bark);
  color: var(--paper);
}

.sb-skill-icon svg {
  width: 1.15rem;
  height: 1.15rem;
  stroke-width: 1.6;
}

.sb-skill-index {
  display: block;
  font-family: var(--font-label);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  margin-bottom: 0.2rem;
}

.sb-skill-block h3 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.45rem);
  font-weight: 600;
  color: var(--text);
  margin: 0;
  letter-spacing: -0.015em;
}

.sb-skill-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  flex-grow: 1;
}

.sb-skill-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--text-muted);
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border-soft);
}

.sb-skill-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.sb-skill-list svg {
  width: 0.95rem;
  height: 0.95rem;
  stroke-width: 1.7;
  color: var(--text-label);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Certificates
   -------------------------------------------------------------------------- */

.sb-certificates {
  background: color-mix(in srgb, var(--bg-deep) 88%, transparent);
}

.sb-certificate-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .sb-certificate-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .sb-certificate-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.35rem;
  }
}

.sb-certificate-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 18rem;
  padding: clamp(1.25rem, 2.8vw, 1.65rem);
  border: 1px solid var(--border);
  background: var(--bg);
  transition: border-color 0.3s var(--ease), transform 0.35s var(--ease);
}

.sb-certificate-card:hover {
  border-color: var(--text);
  transform: translateY(-3px);
}

.sb-certificate-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.sb-certificate-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--border);
  color: var(--text);
}

.sb-certificate-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  stroke-width: 1.6;
}

.sb-certificate-index,
.sb-certificate-issuer,
.sb-certificate-type {
  font-family: var(--font-ui);
}

.sb-certificate-index {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-faint);
}

.sb-certificate-issuer {
  margin-bottom: 0.55rem;
  color: var(--text-faint);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sb-certificate-card h3 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.55rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text);
}

.sb-certificate-type {
  margin: 0.75rem 0 1.5rem;
  color: var(--text-soft);
  font-size: var(--text-caption);
}

.sb-certificate-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  margin-top: auto;
}

.sb-certificate-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  width: fit-content;
  margin-top: auto;
  font-family: var(--font-ui);
  font-size: var(--text-caption);
  font-weight: 650;
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 0.3rem;
  transition: text-decoration-color 0.2s var(--ease);
}

.sb-certificate-links .sb-certificate-link {
  margin-top: 0;
}

.sb-certificate-link:hover,
.sb-certificate-link:focus-visible {
  text-decoration-color: currentColor;
}

.sb-certificate-link svg {
  width: 0.95rem;
  height: 0.95rem;
  stroke-width: 1.75;
}

.sb-certificate-link--secondary {
  color: var(--text-soft);
}

/* --------------------------------------------------------------------------
   Education
   -------------------------------------------------------------------------- */

.sb-edu-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: 100%;
  gap: 0;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border);
}

.sb-edu-tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  gap: 0.35rem;
  padding: 1.1rem 1.15rem;
  border: 0;
  border-right: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--text-soft);
  cursor: pointer;
  text-align: left;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.sb-edu-tab:last-child {
  border-right: 0;
}

.sb-edu-tab-index {
  font-family: var(--font-label);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-faint);
}

.sb-edu-tab-label {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.4rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: inherit;
}

.sb-edu-tab:hover,
.sb-edu-tab:focus-visible {
  color: var(--text);
  background: var(--bg);
}

.sb-edu-tab.sb-is-active {
  background: var(--bg);
  color: var(--text);
  box-shadow: inset 0 -2px 0 var(--text);
}

.sb-edu-panels {
  position: relative;
  width: 100%;
}

.sb-edu-card {
  display: none;
  width: 100%;
  gap: 0;
  border: 1px solid var(--border);
  background: var(--bg);
  overflow: hidden;
}

.sb-edu-card.sb-is-active {
  display: grid;
  animation: edu-in 0.4s var(--ease);
}

@media (min-width: 800px) {
  .sb-edu-card.sb-is-active {
    grid-template-columns: minmax(12rem, 0.85fr) 1.6fr;
  }
}

@keyframes edu-in {
  from {
    opacity: 0;
    transform: translateY(0.6rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 560px) {
  .sb-edu-tab {
    padding: 0.95rem 0.75rem;
  }

  .sb-edu-tab-label {
    font-size: 1.05rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sb-edu-card.sb-is-active {
    animation: none;
  }
}

.sb-edu-card-aside {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: clamp(1.35rem, 3vw, 1.85rem);
  border-bottom: 1px solid var(--border);
  background: var(--bg-deep);
}

@media (min-width: 800px) {
  .sb-edu-card-aside {
    border-bottom: 0;
    border-right: 1px solid var(--border);
  }
}

.sb-edu-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  border: 1px solid var(--border);
  color: var(--text);
  margin-bottom: 0.25rem;
}

.sb-edu-badge svg {
  width: 1.35rem;
  height: 1.35rem;
  stroke-width: 1.6;
}

.sb-edu-aside-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sb-edu-aside-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.sb-edu-aside-value {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
}

.sb-edu-aside-value--accent {
  color: var(--text-label);
}

.sb-edu-card-main {
  padding: clamp(1.5rem, 3.5vw, 2.25rem);
}

.sb-edu-kicker {
  font-family: var(--font-ui);
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-label);
  margin-bottom: 0.65rem;
}

.sb-edu-card-main h3 {
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.5vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.sb-edu-place {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-ui);
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 1.15rem;
}

.sb-edu-place svg {
  width: 1rem;
  height: 1rem;
  stroke-width: 1.7;
  color: var(--text-label);
  flex-shrink: 0;
}

.sb-edu-note {
  max-width: 38rem;
  color: var(--text-soft);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.sb-edu-coursework {
  padding-top: 1.35rem;
  border-top: 1px solid var(--border-soft);
}

.sb-edu-coursework-label {
  font-family: var(--font-ui);
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.85rem;
}

.sb-edu-coursework ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.sb-edu-coursework li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-label);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-soft);
  border: 1px solid var(--border);
  padding: 0.45rem 0.75rem;
}

.sb-edu-coursework svg {
  width: 0.9rem;
  height: 0.9rem;
  stroke-width: 1.7;
  color: var(--text-label);
}

/* Project carousel — side to side */

.sb-project-filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-soft);
}

.sb-project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sb-project-filter {
  min-height: 2.4rem;
  padding: 0 0.85rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-soft);
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.sb-project-filter:hover,
.sb-project-filter:focus-visible,
.sb-project-filter.sb-is-active {
  background: var(--bark);
  color: var(--paper);
}

.sb-swiper-toolbar {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.sb-swiper-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), opacity 0.25s var(--ease);
}

.sb-swiper-nav-btn:hover,
.sb-swiper-nav-btn:focus-visible {
  background: var(--bark);
  border-color: var(--bark);
  color: var(--paper);
}

.sb-swiper-nav-btn.swiper-button-disabled {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}

.sb-projects-swiper {
  overflow: hidden;
  padding-bottom: 2.75rem;
  width: 100%;
}

.sb-projects-swiper .swiper-wrapper {
  align-items: stretch;
}

.sb-projects-swiper .swiper-slide {
  height: auto;
  box-sizing: border-box;
}

.sb-projects-swiper .swiper-slide[hidden] {
  display: none !important;
}

.sb-projects-pagination {
  bottom: 0 !important;
  text-align: left;
}

.swiper-pagination-bullet {
  width: 0.45rem;
  height: 0.45rem;
  background: var(--border);
  opacity: 1;
  border-radius: 0;
  transition: background 0.25s var(--ease), width 0.3s var(--ease);
}

.swiper-pagination-bullet-active {
  background: var(--text);
  width: 1.35rem;
}

.sb-project-slide {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 22rem;
  padding: 0;
  border: 1px solid var(--border);
  background: var(--bg);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.35s var(--ease);
}

.sb-project-slide::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: var(--border);
  transform: scaleX(0);
  transform-origin: left;
  z-index: 2;
  transition: transform 0.4s var(--ease), background 0.3s var(--ease);
}

.sb-work .sb-project-slide {
  background: var(--bg-raised);
}

[data-theme="dark"] .sb-work .sb-project-slide {
  background: var(--ink);
}

[data-theme="light"] .sb-work .sb-project-slide {
  background: var(--paper);
}

.sb-project-slide:hover,
.sb-project-slide:focus-visible {
  border-color: var(--text);
  transform: translateY(-3px);
}

.sb-project-slide:hover::before,
.sb-project-slide:focus-visible::before {
  transform: scaleX(1);
  background: var(--text);
}

.sb-project-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bark);
  border-bottom: 1px solid var(--border);
}

.sb-project-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.sb-project-slide:hover .sb-project-cover img,
.sb-project-slide:focus-visible .sb-project-cover img {
  transform: scale(1.04);
}

.sb-project-slide-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.15rem 1.25rem 1.25rem;
}

.sb-project-slide-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.sb-project-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border: 1px solid var(--border);
  color: var(--text);
  flex-shrink: 0;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.sb-project-icon svg {
  width: 1.05rem;
  height: 1.05rem;
  stroke-width: 1.6;
}

.sb-project-slide:hover .sb-project-icon,
.sb-project-slide:focus-visible .sb-project-icon {
  background: var(--bark);
  border-color: var(--bark);
  color: var(--paper);
}

.sb-project-index {
  font-family: var(--font-label);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  padding-top: 0.25rem;
}

.sb-project-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem 0.75rem;
  margin-bottom: 0.4rem;
}

.sb-project-year {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-faint);
}

.sb-project-type {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-label);
  text-transform: uppercase;
  font-weight: 500;
}

.sb-project-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.45rem;
  line-height: 1.25;
}

.sb-project-summary {
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.55;
  margin-bottom: 0.9rem;
  flex-grow: 1;
}

.sb-project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}

.sb-project-tags li {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-label);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-soft);
  border: 1px solid var(--border-soft);
  padding: 0.28rem 0.55rem;
  letter-spacing: 0.02em;
}

.sb-project-cta {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-soft);
  transition: gap 0.3s var(--ease);
}

.sb-project-cta svg {
  width: 0.9rem;
  height: 0.9rem;
  stroke-width: 1.75;
  transition: transform 0.3s var(--ease);
}

.sb-project-slide:hover .sb-project-cta,
.sb-project-slide:focus-visible .sb-project-cta {
  gap: 0.65rem;
}

.sb-project-slide:hover .sb-project-cta svg,
.sb-project-slide:focus-visible .sb-project-cta svg {
  transform: translate(2px, -2px);
}

@media (max-width: 800px) {
  .sb-swiper-toolbar {
    width: 100%;
    justify-content: flex-start;
  }
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */

.sb-contact-layout {
  display: grid;
  border: 1px solid var(--border);
}

@media (min-width: 860px) {
  .sb-contact-layout {
    grid-template-columns: minmax(16rem, 0.85fr) minmax(0, 1.55fr);
  }
}

.sb-contact-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border);
}

@media (min-width: 860px) {
  .sb-contact-info {
    border-right: 1px solid var(--border);
    border-bottom: 0;
  }
}

.sb-contact-info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  color: var(--text);
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}

.sb-contact-info-icon svg {
  width: 1.2rem;
  height: 1.2rem;
  stroke-width: 1.6;
}

.sb-contact-info-label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.5rem;
}

.sb-contact-email-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.sb-contact-email {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text);
  overflow-wrap: anywhere;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.sb-contact-email:hover,
.sb-contact-email:focus-visible {
  border-bottom-color: var(--text);
}

.sb-copy-email {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.25rem;
  padding: 0 0.7rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-soft);
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.sb-copy-email:hover,
.sb-copy-email:focus-visible,
.sb-copy-email.sb-is-copied {
  background: var(--bark);
  color: var(--paper);
}

.sb-copy-email svg {
  width: 0.85rem;
  height: 0.85rem;
  stroke-width: 1.75;
}

.sb-contact-response {
  max-width: 19rem;
  margin-top: 1rem;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.sb-contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.35rem;
  margin-top: auto;
  padding-top: 3rem;
}

.sb-contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding-bottom: 0.15rem;
  font-family: var(--font-ui);
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid transparent;
  transition: opacity 0.25s var(--ease), border-color 0.25s var(--ease);
}

.sb-contact-links a:not([class*="sb-link-"]) {
  color: var(--text-soft);
}

.sb-contact-links svg {
  width: 1rem;
  height: 1rem;
  stroke-width: 1.75;
}

.sb-contact-links a:hover,
.sb-contact-links a:focus-visible {
  border-bottom-color: currentColor;
  opacity: 0.85;
}

.sb-contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  background: var(--bg);
}

.sb-form-row {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 600px) {
  .sb-form-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

.sb-form-field label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.sb-form-field input,
.sb-form-field textarea {
  width: 100%;
  border: 1px solid var(--border-soft);
  border-radius: 0;
  outline: 0;
  background: var(--bg-deep);
  color: var(--text);
  font: inherit;
  padding: 0.9rem 1rem;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.sb-form-field input {
  min-height: 3.25rem;
}

.sb-form-field textarea {
  min-height: 9rem;
  resize: vertical;
}

.sb-form-field input::placeholder,
.sb-form-field textarea::placeholder {
  color: var(--text-faint);
}

.sb-form-field input:focus,
.sb-form-field textarea:focus {
  border-color: var(--text);
  background: var(--bg);
}

.sb-form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

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

.sb-form-status {
  flex: 1 1 14rem;
  font-size: 0.9rem;
  color: var(--text-soft);
}

.sb-form-status.sb-is-error {
  color: var(--text-label);
}

.sb-toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  z-index: 250;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  max-width: min(28rem, calc(100vw - 2rem));
  padding: 0.95rem 1rem 0.95rem 1.15rem;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--text);
  box-shadow: 0 12px 40px color-mix(in srgb, var(--black) 35%, transparent);
  transform: translateX(-50%) translateY(1.25rem);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.sb-toast.sb-is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.sb-toast[hidden] {
  display: none !important;
}

.sb-toast-text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.45;
}

.sb-toast-close {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 0;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  transition: color 0.25s var(--ease);
}

.sb-toast-close:hover,
.sb-toast-close:focus-visible {
  color: var(--text);
}

.sb-toast-close i,
.sb-toast-close svg {
  width: 1rem;
  height: 1rem;
  stroke-width: 1.75;
}

.sb-form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 3.25rem;
  padding: 0 1.25rem;
  border: 1px solid var(--btn-primary-border);
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  font-family: var(--font-ui);
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.sb-form-submit:hover,
.sb-form-submit:focus-visible {
  background: var(--btn-primary-hover-bg);
  color: var(--btn-primary-hover-text);
}

.sb-form-submit:disabled {
  cursor: wait;
  opacity: 0.65;
}

.sb-form-submit svg {
  width: 1rem;
  height: 1rem;
  stroke-width: 1.75;
}

.sb-site-footer {
  position: relative;
  z-index: 1;
  background: color-mix(in srgb, var(--bg-deep) 88%, transparent);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.sb-footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1.25rem 2rem;
}

.sb-footer-identity {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.sb-footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
}

.sb-footer-tagline {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--text-faint);
}

.sb-footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem 1.25rem;
}

.sb-footer-nav a {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
  transition: color 0.25s var(--ease);
}

.sb-footer-nav a:hover,
.sb-footer-nav a:focus-visible {
  color: var(--text);
}

.sb-footer-copy,
.sb-footer-top {
  font-family: var(--font-ui);
  font-size: var(--text-caption);
  color: var(--text-faint);
  letter-spacing: 0.04em;
}

.sb-footer-top {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.4rem;
}

.sb-footer-top svg {
  width: 0.9rem;
  height: 0.9rem;
  stroke-width: 1.75;
}

.sb-footer-top:hover,
.sb-footer-top:focus-visible {
  color: var(--text);
}

/* --------------------------------------------------------------------------
   Reveal on scroll
   -------------------------------------------------------------------------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-reveal].sb-is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Mobile nav
   -------------------------------------------------------------------------- */

@media (max-width: 800px) {
  .sb-nav-toggle {
    display: block;
    z-index: 120;
  }

  .sb-header-end {
    gap: 0.35rem;
    z-index: 120;
  }

  .sb-site-nav {
    position: fixed;
    inset: 0;
    background: var(--bg-nav);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s var(--ease), visibility 0.35s var(--ease), background 0.35s var(--ease);
  }

  .sb-site-nav.sb-is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .sb-site-nav ul {
    flex-direction: column;
    gap: 1.75rem;
    text-align: center;
    height: auto;
  }

  .sb-site-nav a {
    font-size: 1.125rem;
    letter-spacing: 0.1em;
    height: auto;
    justify-content: center;
  }

  .sb-site-nav a::after {
    bottom: -0.15rem;
  }

  .sb-nav-cta {
    margin-top: 0.5rem;
    height: 2.75rem !important;
  }

  .sb-section {
    padding: clamp(3.5rem, 10vw, var(--space-2xl)) 0;
  }

  .sb-section-head--row {
    align-items: flex-start;
  }

  .sb-contact-email {
    font-size: clamp(1.4rem, 7vw, 2rem);
    word-break: break-word;
  }

  .sb-footer-inner {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .sb-footer-nav {
    justify-content: flex-start;
  }

  .sb-footer-top {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .sb-hero-name {
    font-size: clamp(2.5rem, 14vw, 3.25rem);
  }

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

  .sb-btn {
    flex: 1 1 auto;
    min-width: calc(50% - 0.5rem);
  }

  :root {
    --grid-size: 3.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .sb-hero-photo,
  .sb-hero-role,
  .sb-hero-name,
  .sb-hero-rule,
  .sb-hero-actions,
  .sb-hero-links {
    opacity: 1;
    transform: none;
  }
}