/**
 * Main Styles - lab.wales
 * Layout, Components, and Utilities
 */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--md-sys-typescale-body-large-font);
  font-size: var(--md-sys-typescale-body-large-size);
  font-weight: var(--md-sys-typescale-body-large-weight);
  line-height: var(--md-sys-typescale-body-large-line-height);
  letter-spacing: var(--md-sys-typescale-body-large-letter-spacing);
  color: var(--md-sys-color-on-surface);
  background-color: var(--md-sys-color-surface);
  overflow-x: hidden;
}

a {
  color: var(--md-sys-color-primary);
  text-decoration: none;
  transition: color var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard);
}

a:hover {
  color: var(--md-sys-color-on-primary-container);
}

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

ul {
  list-style: none;
}

/* === Animation Keyframes === */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes doodleFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-8px) rotate(1deg); }
  75% { transform: translateY(4px) rotate(-1deg); }
}

@keyframes doodleRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* === Doodle System === */
.doodle {
  display: inline-block;
  pointer-events: none;
  user-select: none;
}

.doodle--primary {
  filter: invert(76%) sepia(32%) saturate(420%) hue-rotate(72deg) brightness(94%) contrast(88%);
}

.doodle--secondary {
  filter: invert(72%) sepia(20%) saturate(350%) hue-rotate(55deg) brightness(90%) contrast(85%);
}

.doodle--tertiary {
  filter: invert(70%) sepia(45%) saturate(300%) hue-rotate(15deg) brightness(92%) contrast(85%);
}

.doodle--subtle {
  opacity: 0.12;
}

.doodle--soft {
  opacity: 0.2;
}

.doodle--xs { width: 24px; height: auto; }
.doodle--sm { width: 40px; height: auto; }
.doodle--md { width: 64px; height: auto; }
.doodle--lg { width: 100px; height: auto; }
.doodle--xl { width: 160px; height: auto; }
.doodle--full { width: 100%; height: auto; }

.doodle--underline {
  position: relative;
  display: block;
  margin: var(--md-sys-spacing-xs) auto 0;
  width: 180px;
  height: auto;
}

.heading-underline {
  position: relative;
  display: inline-block;
}

.heading-underline__doodle {
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 140px;
  height: auto;
  z-index: 1;
}

.doodle--blob {
  position: absolute;
  opacity: 0.06;
  z-index: 0;
}

.doodle--blob--tl { top: -10%; left: -5%; width: 300px; height: auto; }
.doodle--blob--br { bottom: -10%; right: -5%; width: 250px; height: auto; }
.doodle--blob--tr { top: -5%; right: -8%; width: 200px; height: auto; }
.doodle--blob--bl { bottom: -8%; left: -3%; width: 280px; height: auto; }

.doodle--arrow {
  position: absolute;
  opacity: 0.15;
}

.doodle--sprinkle {
  position: absolute;
  opacity: 0.1;
}

.doodle--float {
  animation: doodleFloat 8s ease-in-out infinite;
}

.doodle--rotate-slow {
  animation: doodleRotate 30s linear infinite;
}

/* === Headshot Styles === */
.headshot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--md-sys-shape-corner-extra-large);
  transition: transform var(--md-sys-motion-duration-medium3) var(--md-sys-motion-easing-emphasized-decelerate);
}

.headshot-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: var(--md-sys-shape-corner-extra-large);
  background-color: var(--md-sys-color-surface-container);
}

.headshot-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--md-sys-shape-corner-extra-large);
  border: 2px solid var(--md-sys-color-outline-variant);
  pointer-events: none;
}

/* === Section Doodle Accents === */
.section-doodle {
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

/* Service section doodle accents */
.service-section__doodle-corner {
  position: absolute;
  opacity: 0.08;
  pointer-events: none;
}

.service-section__doodle-corner--tr {
  top: -40px;
  right: -40px;
  width: 200px;
  transform: rotate(45deg);
}

.service-section__doodle-corner--bl {
  bottom: -30px;
  left: -30px;
  width: 160px;
  transform: rotate(-30deg);
}

/* CTA doodle accent */
.cta__doodle {
  position: absolute;
  opacity: 0.06;
  pointer-events: none;
}

.cta__doodle--left {
  left: 5%;
  top: 20%;
  width: 120px;
  transform: rotate(-15deg);
}

.cta__doodle--right {
  right: 8%;
  bottom: 15%;
  width: 100px;
  transform: rotate(20deg);
}

/* Hero doodle accent */
.hero__doodle {
  position: absolute;
  opacity: 0.06;
  pointer-events: none;
  z-index: 1;
}

.hero__doodle--top {
  top: 15%;
  right: 10%;
  width: 180px;
  transform: rotate(12deg);
}

.hero__doodle--bottom {
  bottom: 12%;
  left: 8%;
  width: 140px;
  transform: rotate(-8deg);
}

/* === Scroll Animation Base States === */
[data-animate] {
  opacity: 0;
  will-change: opacity, transform;
}

[data-animate="fade-up"] {
  transform: translateY(30px);
}

[data-animate="slide-left"] {
  transform: translateX(-40px);
}

[data-animate="slide-right"] {
  transform: translateX(40px);
}

[data-animate="scale"] {
  transform: scale(0.95);
}

[data-animate="fade"].is-visible,
[data-animate="fade-up"].is-visible,
[data-animate="slide-left"].is-visible,
[data-animate="slide-right"].is-visible,
[data-animate="scale"].is-visible {
  opacity: 1;
  transform: translate(0) scale(1);
  transition: opacity var(--md-sys-motion-duration-long2) var(--md-sys-motion-easing-emphasized-decelerate),
              transform var(--md-sys-motion-duration-long2) var(--md-sys-motion-easing-emphasized-decelerate);
}

/* Stagger delays */
[data-stagger="1"] { transition-delay: 100ms; }
[data-stagger="2"] { transition-delay: 200ms; }
[data-stagger="3"] { transition-delay: 300ms; }
[data-stagger="4"] { transition-delay: 400ms; }
[data-stagger="5"] { transition-delay: 500ms; }

/* === Container === */
.container {
  max-width: var(--md-sys-max-content-width);
  margin: 0 auto;
  padding: 0 var(--md-sys-spacing-md);
}

/* === Header === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--md-sys-color-surface-container);
  transition: background-color var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard),
              box-shadow var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard);
}

.header--scrolled {
  background-color: var(--md-sys-color-surface-container-high);
  box-shadow: var(--md-sys-elevation-2);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--md-sys-spacing-sm) var(--md-sys-spacing-md);
  max-width: var(--md-sys-max-content-width);
  margin: 0 auto;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--md-sys-spacing-sm);
}

.header__logo img {
  height: 48px;
  width: auto;
}

.header__logo-text {
  font-family: var(--md-sys-typescale-title-large-font);
  font-size: var(--md-sys-typescale-title-large-size);
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
  letter-spacing: 0;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--md-sys-spacing-xs);
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--md-sys-spacing-xs);
}

.header__nav-link {
  padding: var(--md-sys-spacing-sm) var(--md-sys-spacing-md);
  border-radius: var(--md-sys-shape-corner-full);
  color: var(--md-sys-color-on-surface-variant);
  font-family: var(--md-sys-typescale-label-large-font);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  transition: background-color var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard),
              color var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard);
}

.header__nav-link:hover {
  background-color: var(--md-sys-color-surface-container-highest);
  color: var(--md-sys-color-on-surface);
}

/* Mobile Menu Toggle */
.header__menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--md-sys-spacing-sm);
  border-radius: var(--md-sys-shape-corner-full);
  transition: background-color var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard);
}

.header__menu-toggle:hover {
  background-color: var(--md-sys-color-surface-container-highest);
}

.header__menu-icon {
  display: block;
  width: 24px;
  height: 24px;
  position: relative;
}

.header__menu-icon::before,
.header__menu-icon::after,
.header__menu-icon span {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--md-sys-color-on-surface);
  transition: transform var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard),
              opacity var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
}

.header__menu-icon::before {
  top: 4px;
}

.header__menu-icon span {
  top: 11px;
}

.header__menu-icon::after {
  bottom: 4px;
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon::before {
  transform: translateY(7px) rotate(45deg);
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon span {
  opacity: 0;
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon::after {
  transform: translateY(-7px) rotate(-45deg);
}

/* === Hero Section === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--md-sys-color-background);
  padding: calc(80px + var(--md-sys-spacing-xxxl)) var(--md-sys-spacing-md) var(--md-sys-spacing-xxxl);
  text-align: center;
  position: relative;
}

#particles-js {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__content {
  max-width: 800px;
  position: relative;
  z-index: 2;
}

.hero__title {
  font-family: var(--md-sys-typescale-display-large-font);
  font-size: var(--md-sys-typescale-display-large-size);
  font-weight: var(--md-sys-typescale-display-large-weight);
  line-height: var(--md-sys-typescale-display-large-line-height);
  letter-spacing: var(--md-sys-typescale-display-large-letter-spacing);
  color: var(--md-sys-color-on-surface);
  margin-bottom: var(--md-sys-spacing-lg);
}

.hero__title span {
  color: var(--md-sys-color-primary);
}

.hero__subtitle {
  font-family: var(--md-sys-typescale-title-large-font);
  font-size: var(--md-sys-typescale-title-large-size);
  font-weight: var(--md-sys-typescale-title-large-weight);
  line-height: var(--md-sys-typescale-title-large-line-height);
  letter-spacing: var(--md-sys-typescale-title-large-letter-spacing);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: var(--md-sys-spacing-xl);
}

.hero__actions {
  display: flex;
  gap: var(--md-sys-spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--md-sys-spacing-sm);
  padding: 0 var(--md-sys-spacing-xl);
  height: 48px;
  border: none;
  border-radius: var(--md-sys-shape-corner-full);
  cursor: pointer;
  font-family: var(--md-sys-typescale-label-large-font);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  letter-spacing: var(--md-sys-typescale-label-large-letter-spacing);
  transition: background-color var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard),
              box-shadow var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard),
              transform var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard);
  text-decoration: none;
}

.btn--filled {
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

.btn--filled:hover {
  box-shadow: var(--md-sys-elevation-1);
  color: var(--md-sys-color-on-primary);
}

.btn--outlined {
  background-color: transparent;
  color: var(--md-sys-color-primary);
  border: 1px solid var(--md-sys-color-outline);
}

.btn--outlined:hover {
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary-container);
}

/* === Services Intro Section === */
.services-intro {
  padding: var(--md-sys-spacing-xxxl) var(--md-sys-spacing-md) var(--md-sys-spacing-lg);
  text-align: center;
  background-color: var(--md-sys-color-surface);
}

.services-intro__title {
  font-family: var(--md-sys-typescale-display-small-font);
  font-size: var(--md-sys-typescale-display-small-size);
  color: var(--md-sys-color-on-surface);
  margin-bottom: var(--md-sys-spacing-md);
}

.services-intro__text {
  font-family: var(--md-sys-typescale-body-large-font);
  color: var(--md-sys-color-on-surface-variant);
  max-width: 600px;
  margin: 0 auto;
}

/* === Service Detail Section === */
.service-section {
  padding: var(--md-sys-spacing-xxxl) var(--md-sys-spacing-md);
  position: relative;
  overflow: hidden;
}

.service-section--bespoke {
  background-color: var(--md-sys-color-surface-container-low);
}

.service-section--business {
  background-color: var(--md-sys-color-surface-container-high);
}

.service-section--websites {
  background-color: var(--md-sys-color-surface-container);
}

.service-section__inner {
  max-width: var(--md-sys-max-content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--md-sys-spacing-xxl);
  align-items: center;
}

.service-section--business .service-section__inner {
  direction: rtl;
}

.service-section--business .service-section__inner > * {
  direction: ltr;
}

.service-content {
  max-width: 520px;
}

.service-content__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  border-radius: var(--md-sys-shape-corner-large);
  margin-bottom: var(--md-sys-spacing-lg);
  transition: transform var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized-decelerate),
              box-shadow var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard);
}

.service-content__icon:hover {
  transform: scale(1.1);
  box-shadow: var(--md-sys-elevation-2);
}

.service-content__icon svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.service-content__overline {
  font-family: var(--md-sys-typescale-label-medium-font);
  font-size: var(--md-sys-typescale-label-medium-size);
  font-weight: var(--md-sys-typescale-label-medium-weight);
  letter-spacing: 0.05em;
  color: var(--md-sys-color-primary);
  text-transform: uppercase;
  margin-bottom: var(--md-sys-spacing-sm);
}

.service-content__title {
  font-family: var(--md-sys-typescale-headline-large-font);
  font-size: var(--md-sys-typescale-headline-large-size);
  font-weight: var(--md-sys-typescale-headline-large-weight);
  line-height: var(--md-sys-typescale-headline-large-line-height);
  color: var(--md-sys-color-on-surface);
  margin-bottom: var(--md-sys-spacing-md);
}

.service-content__description {
  font-family: var(--md-sys-typescale-body-large-font);
  font-size: var(--md-sys-typescale-body-large-size);
  line-height: var(--md-sys-typescale-body-large-line-height);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: var(--md-sys-spacing-lg);
}

.service-content__features {
  list-style: none;
  margin-bottom: var(--md-sys-spacing-xl);
}

.service-content__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--md-sys-spacing-sm);
  margin-bottom: var(--md-sys-spacing-sm);
  font-family: var(--md-sys-typescale-body-medium-font);
  color: var(--md-sys-color-on-surface-variant);
}

.service-content__feature-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--md-sys-color-primary);
  margin-top: 2px;
}

.service-content__feature-icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.service-content__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--md-sys-spacing-xs);
  font-family: var(--md-sys-typescale-label-large-font);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  color: var(--md-sys-color-primary);
  padding: var(--md-sys-spacing-sm) var(--md-sys-spacing-md);
  border-radius: var(--md-sys-shape-corner-full);
  transition: background-color var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard),
              gap var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-emphasized-decelerate);
}

.service-content__cta:hover {
  background-color: var(--md-sys-color-primary-container);
  gap: var(--md-sys-spacing-sm);
}

.service-content__cta-arrow {
  transition: transform var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-emphasized-decelerate);
}

.service-content__cta:hover .service-content__cta-arrow {
  transform: translateX(4px);
}

.service-visual {
  position: relative;
  aspect-ratio: 4/3;
  background-color: var(--md-sys-color-surface-container-highest);
  border-radius: var(--md-sys-shape-corner-extra-large);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-visual__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.15;
}

.service-section--bespoke .service-visual__pattern {
  background-image: 
    repeating-linear-gradient(0deg, transparent, transparent 20px, var(--md-sys-color-primary) 20px, var(--md-sys-color-primary) 21px),
    repeating-linear-gradient(90deg, transparent, transparent 40px, var(--md-sys-color-secondary) 40px, var(--md-sys-color-secondary) 41px);
}

.service-section--business .service-visual__pattern {
  background-image:
    linear-gradient(135deg, var(--md-sys-color-tertiary) 25%, transparent 25%),
    linear-gradient(225deg, var(--md-sys-color-tertiary) 25%, transparent 25%),
    linear-gradient(45deg, var(--md-sys-color-tertiary) 25%, transparent 25%),
    linear-gradient(315deg, var(--md-sys-color-tertiary) 25%, transparent 25%);
  background-size: 40px 40px;
  background-position: 20px 0, 20px 0, 0 0, 0 0;
}

.service-section--websites .service-visual__pattern {
  background: 
    radial-gradient(circle at 25% 25%, var(--md-sys-color-primary) 2px, transparent 2px),
    radial-gradient(circle at 75% 75%, var(--md-sys-color-secondary) 2px, transparent 2px),
    radial-gradient(circle at 50% 50%, var(--md-sys-color-tertiary) 2px, transparent 2px);
  background-size: 60px 60px;
}

.service-visual__mockup {
  position: relative;
  z-index: 1;
  width: 80%;
  height: 70%;
  background-color: var(--md-sys-color-surface);
  border-radius: var(--md-sys-shape-corner-large);
  box-shadow: var(--md-sys-elevation-3);
  overflow: hidden;
}

.service-visual__mockup-bar {
  height: 24px;
  background-color: var(--md-sys-color-surface-variant);
  display: flex;
  align-items: center;
  padding: 0 var(--md-sys-spacing-sm);
  gap: 6px;
}

.service-visual__mockup-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--md-sys-color-outline-variant);
}

.service-visual__mockup-dot:first-child { background-color: #ff5f57; }
.service-visual__mockup-dot:nth-child(2) { background-color: #febc2e; }
.service-visual__mockup-dot:nth-child(3) { background-color: #28c840; }

.service-visual__mockup-content {
  padding: var(--md-sys-spacing-sm);
  display: flex;
  flex-direction: column;
  gap: var(--md-sys-spacing-xs);
  height: calc(100% - 24px);
}

.service-visual__mockup-line {
  height: 8px;
  border-radius: 4px;
  background-color: var(--md-sys-color-surface-variant);
}

.service-visual__mockup-line--short { width: 40%; }
.service-visual__mockup-line--medium { width: 70%; }
.service-visual__mockup-line--long { width: 100%; }
.service-visual__mockup-line--accent { 
  background-color: var(--md-sys-color-primary-container); 
  height: 24px;
  margin-top: var(--md-sys-spacing-xs);
}

.service-visual__floating {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: var(--md-sys-shape-corner-medium);
  background-color: var(--md-sys-color-primary-container);
  opacity: 0.6;
  animation: float 6s ease-in-out infinite;
}

.service-visual__floating--1 {
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.service-visual__floating--2 {
  bottom: 15%;
  left: 5%;
  width: 40px;
  height: 40px;
  background-color: var(--md-sys-color-secondary-container);
  animation-delay: 2s;
}

/* === Portfolio: Featured Project (Convoy) === */
.portfolio {
  padding: var(--md-sys-spacing-xxxl) var(--md-sys-spacing-md);
  position: relative;
  overflow: hidden;
  background-color: var(--md-sys-color-surface-container-low);
}

.portfolio__inner {
  max-width: var(--md-sys-max-content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--md-sys-spacing-xxl);
  align-items: start;
}

.portfolio__overline {
  font-family: var(--md-sys-typescale-label-medium-font);
  font-size: var(--md-sys-typescale-label-medium-size);
  font-weight: var(--md-sys-typescale-label-medium-weight);
  letter-spacing: 0.05em;
  color: var(--md-sys-color-primary);
  text-transform: uppercase;
  margin-bottom: var(--md-sys-spacing-sm);
}

.portfolio__title {
  font-family: var(--md-sys-typescale-headline-large-font);
  font-size: var(--md-sys-typescale-headline-large-size);
  font-weight: var(--md-sys-typescale-headline-large-weight);
  line-height: var(--md-sys-typescale-headline-large-line-height);
  color: var(--md-sys-color-on-surface);
  margin-bottom: var(--md-sys-spacing-md);
}

.portfolio__description {
  font-family: var(--md-sys-typescale-body-large-font);
  font-size: var(--md-sys-typescale-body-large-size);
  line-height: var(--md-sys-typescale-body-large-line-height);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: var(--md-sys-spacing-lg);
}

.portfolio__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--md-sys-spacing-xs);
  margin-bottom: var(--md-sys-spacing-xl);
}

.portfolio__tag {
  display: inline-block;
  padding: var(--md-sys-spacing-xs) var(--md-sys-spacing-sm);
  font-family: var(--md-sys-typescale-label-medium-font);
  font-size: var(--md-sys-typescale-label-medium-size);
  letter-spacing: 0.02em;
  color: var(--md-sys-color-primary);
  background-color: var(--md-sys-color-primary-container);
  border-radius: var(--md-sys-shape-corner-medium);
  white-space: nowrap;
}

.portfolio__cta-row {
  margin-bottom: var(--md-sys-spacing-sm);
}

.portfolio__future {
  font-family: var(--md-sys-typescale-label-medium-font);
  font-size: var(--md-sys-typescale-label-medium-size);
  color: var(--md-sys-color-outline, var(--md-sys-color-on-surface-variant));
  opacity: 0.6;
  font-style: italic;
}

/* Portfolio Visual / Screenshots */
.portfolio__visual {
  display: flex;
  flex-direction: column;
  gap: var(--md-sys-spacing-md);
}

.portfolio__visual-hero {
  border-radius: var(--md-sys-shape-corner-extra-large);
  overflow: hidden;
  background-color: var(--md-sys-color-surface-container-highest);
  box-shadow: var(--md-sys-elevation-2);
}

.portfolio__screenshot {
  display: block;
  width: 100%;
  height: auto;
  transition: transform var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
}

.portfolio__visual-hero:hover .portfolio__screenshot {
  transform: scale(1.02);
}

.portfolio__visual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--md-sys-spacing-sm);
}

.portfolio__screenshot--thumb {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--md-sys-shape-corner-medium);
  overflow: hidden;
  background-color: var(--md-sys-color-surface-container-highest);
  box-shadow: var(--md-sys-elevation-1);
  transition: transform var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard),
              box-shadow var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard);
}

.portfolio__screenshot--thumb:hover {
  transform: scale(1.03);
  box-shadow: var(--md-sys-elevation-2);
}

/* === Portfolio Card: Rider Tool (Compact) === */
.portfolio-card {
  padding: var(--md-sys-spacing-xxl) var(--md-sys-spacing-md);
  position: relative;
  overflow: hidden;
  background-color: var(--md-sys-color-surface-container);
}

.portfolio-card__inner {
  max-width: var(--md-sys-max-content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--md-sys-spacing-xxl);
  align-items: center;
}

.portfolio-card__overline {
  font-family: var(--md-sys-typescale-label-medium-font);
  font-size: var(--md-sys-typescale-label-medium-size);
  font-weight: var(--md-sys-typescale-label-medium-weight);
  letter-spacing: 0.05em;
  color: var(--md-sys-color-tertiary);
  text-transform: uppercase;
  margin-bottom: var(--md-sys-spacing-sm);
}

.portfolio-card__title {
  font-family: var(--md-sys-typescale-headline-medium-font);
  font-size: var(--md-sys-typescale-headline-medium-size);
  font-weight: var(--md-sys-typescale-headline-medium-weight);
  line-height: var(--md-sys-typescale-headline-medium-line-height);
  color: var(--md-sys-color-on-surface);
  margin-bottom: var(--md-sys-spacing-md);
}

.portfolio-card__description {
  font-family: var(--md-sys-typescale-body-large-font);
  font-size: var(--md-sys-typescale-body-large-size);
  line-height: var(--md-sys-typescale-body-large-line-height);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: var(--md-sys-spacing-lg);
}

.portfolio-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--md-sys-spacing-xs);
  margin-bottom: var(--md-sys-spacing-xl);
}

.portfolio-card__tag {
  display: inline-block;
  padding: var(--md-sys-spacing-xs) var(--md-sys-spacing-sm);
  font-family: var(--md-sys-typescale-label-medium-font);
  font-size: var(--md-sys-typescale-label-medium-size);
  letter-spacing: 0.02em;
  color: var(--md-sys-color-tertiary);
  background-color: var(--md-sys-color-tertiary-container);
  border-radius: var(--md-sys-shape-corner-medium);
  white-space: nowrap;
}

.portfolio-card__cta-row {
  margin-bottom: var(--md-sys-spacing-sm);
}

.portfolio-card__visual {
  border-radius: var(--md-sys-shape-corner-extra-large);
  overflow: hidden;
  background-color: var(--md-sys-color-surface-container-highest);
  box-shadow: var(--md-sys-elevation-2);
  transition: box-shadow var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
}

.portfolio-card__visual:hover {
  box-shadow: var(--md-sys-elevation-3);
}

.portfolio-card__screenshot {
  display: block;
  width: 100%;
  height: auto;
  transition: transform var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
}

.portfolio-card__visual:hover .portfolio-card__screenshot {
  transform: scale(1.02);
}

.portfolio-card__status {
  font-family: var(--md-sys-typescale-label-medium-font);
  font-size: var(--md-sys-typescale-label-medium-size);
  color: var(--md-sys-color-on-surface-variant);
  opacity: 0.6;
  font-style: italic;
}

/* === About Section === */
.about {
  padding: var(--md-sys-spacing-xxxl) var(--md-sys-spacing-md);
  background-color: var(--md-sys-color-surface-container-lowest);
}

.about__inner {
  max-width: var(--md-sys-max-content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--md-sys-spacing-xxl);
  align-items: center;
}

.about__image {
  position: relative;
}

.about__image img {
  border-radius: var(--md-sys-shape-corner-extra-large);
}

.about__content {
  max-width: 600px;
}

.about__label {
  font-family: var(--md-sys-typescale-label-large-font);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  color: var(--md-sys-color-primary);
  text-transform: uppercase;
  letter-spacing: 0.0625rem;
  margin-bottom: var(--md-sys-spacing-sm);
}

.about__title {
  font-family: var(--md-sys-typescale-headline-large-font);
  font-size: var(--md-sys-typescale-headline-large-size);
  font-weight: var(--md-sys-typescale-headline-large-weight);
  line-height: var(--md-sys-typescale-headline-large-line-height);
  color: var(--md-sys-color-on-surface);
  margin-bottom: var(--md-sys-spacing-md);
}

.about__text {
  font-family: var(--md-sys-typescale-body-large-font);
  font-size: var(--md-sys-typescale-body-large-size);
  line-height: var(--md-sys-typescale-body-large-line-height);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: var(--md-sys-spacing-lg);
}

/* === CTA Section === */
.cta {
  padding: var(--md-sys-spacing-xxxl) var(--md-sys-spacing-md);
  background-color: var(--md-sys-color-surface-container);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta__inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.cta__title {
  font-family: var(--md-sys-typescale-headline-medium-font);
  font-size: var(--md-sys-typescale-headline-medium-size);
  font-weight: var(--md-sys-typescale-headline-medium-weight);
  line-height: var(--md-sys-typescale-headline-medium-line-height);
  color: var(--md-sys-color-on-surface);
  margin-bottom: var(--md-sys-spacing-md);
}

.cta__text {
  font-family: var(--md-sys-typescale-body-large-font);
  font-size: var(--md-sys-typescale-body-large-size);
  line-height: var(--md-sys-typescale-body-large-line-height);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: var(--md-sys-spacing-xl);
}

/* === Footer === */
.footer {
  background-color: var(--md-sys-color-surface-container);
  padding: var(--md-sys-spacing-xl) var(--md-sys-spacing-md);
  border-top: 1px solid var(--md-sys-color-outline-variant);
}

.footer__inner {
  max-width: var(--md-sys-max-content-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--md-sys-spacing-md);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--md-sys-spacing-sm);
}

.footer__logo img {
  height: 36px;
  width: auto;
}

.footer__logo-text {
  font-family: var(--md-sys-typescale-title-medium-font);
  font-size: var(--md-sys-typescale-title-medium-size);
  color: var(--md-sys-color-on-surface);
}

.footer__copyright {
  font-family: var(--md-sys-typescale-body-small-font);
  font-size: var(--md-sys-typescale-body-small-size);
  color: var(--md-sys-color-on-surface-variant);
}

.footer__social {
  display: flex;
  gap: var(--md-sys-spacing-sm);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--md-sys-shape-corner-full);
  color: var(--md-sys-color-on-surface-variant);
  transition: background-color var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard),
              color var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard);
}

.footer__social-link:hover {
  background-color: var(--md-sys-color-surface-container-highest);
  color: var(--md-sys-color-primary);
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* === Mobile Responsive === */
@media (max-width: 1024px) {
  .service-section__inner {
    grid-template-columns: 1fr;
    gap: var(--md-sys-spacing-xl);
  }
  
  .service-section--business .service-section__inner {
    direction: ltr;
  }
  
  .service-content {
    max-width: 100%;
  }
  
  .service-visual {
    max-height: 300px;
  }

  .about__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about__content {
    max-width: 100%;
  }

  .about__image {
    max-width: 300px;
    margin: 0 auto;
  }

  .portfolio__inner,
  .portfolio-card__inner {
    grid-template-columns: 1fr;
    gap: var(--md-sys-spacing-xl);
  }

  .portfolio__inner {
    align-items: start;
  }

  .portfolio-card__inner {
    align-items: center;
  }

  .portfolio__visual-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--md-sys-spacing-xs);
  }
}

@media (max-width: 768px) {
  .header__menu-toggle {
    display: block;
  }

  .header__nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--md-sys-color-surface-container);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--md-sys-spacing-md);
    gap: 0;
    transform: translateX(100%);
    transition: transform var(--md-sys-motion-duration-medium3) var(--md-sys-motion-easing-emphasized-decelerate);
    z-index: 999;
  }

  .header__nav--open {
    transform: translateX(0);
  }

  .header__nav-list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: var(--md-sys-spacing-xs);
  }

  .header__nav-link {
    display: block;
    padding: var(--md-sys-spacing-md);
    border-radius: var(--md-sys-shape-corner-medium);
    text-align: center;
  }

  .hero__title {
    font-size: var(--md-sys-typescale-display-small-size);
    line-height: var(--md-sys-typescale-display-small-line-height);
  }

  .hero__subtitle {
    font-size: var(--md-sys-typescale-title-medium-size);
  }

  .service-section {
    padding: var(--md-sys-spacing-xxl) var(--md-sys-spacing-md);
  }
  
  .service-content__title {
    font-size: var(--md-sys-typescale-headline-medium-size);
  }

  .services-intro__title,
  .about__title,
  .cta__title {
    font-size: var(--md-sys-typescale-headline-medium-size);
  }

  .heading-underline__doodle {
    width: 100px;
  }
  
  .doodle--underline {
    width: 120px;
  }
  
  .doodle--blob--tl,
  .doodle--blob--br,
  .doodle--blob--tr,
  .doodle--blob--bl {
    width: 150px;
  }
  
  .service-section__doodle-corner--tr,
  .service-section__doodle-corner--bl {
    width: 100px;
  }
  
  .hero__doodle--top,
  .hero__doodle--bottom {
    width: 100px;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: var(--md-sys-typescale-display-small-size);
    line-height: var(--md-sys-typescale-display-small-line-height);
  }

  .hero__actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .about__image {
    max-width: 200px;
  }

  .footer__social {
    justify-content: center;
  }
}