/* ============================================
   QUANTENSPRUNG – AI Beratung & Training
   Christoph Kalscheuer | Website Styles
   ============================================ */

/* --- Custom Properties --- */
:root {
  --clr-primary: #0F4C5C;
  --clr-primary-dark: #0a3640;
  --clr-primary-light: #14677a;
  --clr-secondary: #F2A65A;
  --clr-secondary-dark: #e08f3a;
  --clr-highlight: #5BC0BE;
  --clr-highlight-light: #7ed4d2;
  --clr-bg: #F7F9F9;
  --clr-bg-warm: #FBF8F5;
  --clr-text: #2E2E2E;
  --clr-text-light: #5a5a5a;
  --clr-text-muted: #8a8a8a;
  --clr-white: #ffffff;
  --clr-border: #e2e6e6;

  --ff-display: 'DM Serif Display', Georgia, 'Times New Roman', serif;
  --ff-body: 'Source Sans 3', 'Segoe UI', system-ui, sans-serif;

  --fs-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --fs-sm: clamp(0.8rem, 0.75rem + 0.3vw, 0.9rem);
  --fs-base: clamp(0.95rem, 0.9rem + 0.3vw, 1.1rem);
  --fs-md: clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
  --fs-lg: clamp(1.4rem, 1.2rem + 1vw, 2rem);
  --fs-xl: clamp(1.8rem, 1.5rem + 1.5vw, 2.8rem);
  --fs-2xl: clamp(2.2rem, 1.8rem + 2vw, 3.8rem);
  --fs-hero: clamp(2.5rem, 2rem + 3vw, 5rem);

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-section: clamp(5rem, 4rem + 5vw, 10rem);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --shadow-sm: 0 1px 3px rgba(15, 76, 92, 0.06);
  --shadow-md: 0 4px 20px rgba(15, 76, 92, 0.08);
  --shadow-lg: 0 8px 40px rgba(15, 76, 92, 0.12);
  --shadow-glow: 0 0 60px rgba(91, 192, 190, 0.15);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--clr-text);
  background-color: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--ff-display);
  font-weight: 400;
  line-height: 1.2;
}

h2 em, h1 em {
  font-style: italic;
  color: var(--clr-secondary);
}

::selection {
  background-color: var(--clr-highlight);
  color: var(--clr-white);
}

:focus-visible {
  outline: 2px solid var(--clr-highlight);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --- Section Labels --- */
.section-label {
  display: inline-block;
  font-family: var(--ff-body);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--clr-highlight);
  margin-bottom: var(--space-sm);
  position: relative;
  padding-left: 2rem;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 1.2rem;
  height: 1.5px;
  background: var(--clr-highlight);
  transform: translateY(-50%);
}

.section-label--light {
  color: var(--clr-secondary);
}

.section-label--light::before {
  background: var(--clr-secondary);
}

.section-title {
  font-size: var(--fs-xl);
  color: var(--clr-primary);
  margin-bottom: var(--space-lg);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ff-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-xl);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-base);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn--primary {
  background: var(--clr-secondary);
  color: var(--clr-white);
  border-color: var(--clr-secondary);
}

.btn--primary:hover {
  background: var(--clr-secondary-dark);
  border-color: var(--clr-secondary-dark);
  box-shadow: 0 4px 20px rgba(242, 166, 90, 0.35);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--clr-white);
  border-color: rgba(255,255,255,0.4);
}

.btn--outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--clr-white);
  transform: translateY(-2px);
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  transition: all var(--transition-base);
}

.nav--scrolled {
  background: rgba(15, 76, 92, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(15, 76, 92, 0.2);
  padding: 0.6rem 0;
}

.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.nav__brand-name {
  font-family: var(--ff-display);
  font-size: 1.2rem;
  color: var(--clr-white);
  letter-spacing: 0.02em;
}

.nav__brand-sub {
  font-size: var(--fs-xs);
  color: var(--clr-highlight-light);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav__toggle.active .nav__toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active .nav__toggle-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__toggle.active .nav__toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav__links {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100dvh;
  background: var(--clr-primary-dark);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 6rem var(--space-lg) var(--space-lg);
  gap: var(--space-sm);
  transition: right var(--transition-slow);
}

.nav__links.open {
  right: 0;
}

.nav__links a {
  color: var(--clr-white);
  font-size: var(--fs-md);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-secondary);
  transition: width var(--transition-base);
}

.nav__links a:hover::after,
.nav__links a:focus-visible::after {
  width: 100%;
}

.nav__cta {
  margin-top: var(--space-sm);
  background: var(--clr-secondary);
  padding: 0.6rem 1.5rem !important;
  border-radius: var(--radius-xl);
  font-size: var(--fs-sm) !important;
}

.nav__cta::after {
  display: none !important;
}

.nav__cta:hover {
  background: var(--clr-secondary-dark);
}

/* Mobile nav overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 54, 64, 0.6);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.nav-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7rem var(--space-md) var(--space-xl);
  overflow: hidden;
  background: linear-gradient(165deg, var(--clr-primary-dark) 0%, var(--clr-primary) 40%, var(--clr-primary-light) 100%);
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__dunes {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: auto;
}

.hero__dune--1 {
  fill: rgba(242, 166, 90, 0.12);
  animation: duneSway1 12s ease-in-out infinite;
}

.hero__dune--2 {
  fill: rgba(91, 192, 190, 0.08);
  animation: duneSway2 15s ease-in-out infinite;
}

.hero__dune--3 {
  fill: rgba(247, 249, 249, 0.05);
  animation: duneSway3 18s ease-in-out infinite;
}

@keyframes duneSway1 {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-15px); }
}

@keyframes duneSway2 {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(10px); }
}

@keyframes duneSway3 {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-8px); }
}

.hero__grain {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px;
}

.hero__glow {
  position: absolute;
  top: 20%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  max-width: 600px;
  max-height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 192, 190, 0.15) 0%, transparent 70%);
  animation: glowPulse 8s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  text-align: center;
}

.hero__eyebrow {
  font-family: var(--ff-body);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--clr-highlight-light);
  margin-bottom: var(--space-md);
}

.hero__title {
  font-family: var(--ff-display);
  font-size: var(--fs-hero);
  color: var(--clr-white);
  margin-bottom: var(--space-md);
  line-height: 1.1;
}

.hero__title em {
  color: var(--clr-secondary);
  font-style: italic;
}

.hero__subtitle {
  font-size: var(--fs-md);
  color: rgba(255, 255, 255, 0.8);
  font-weight: 300;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto var(--space-lg);
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: rgba(255,255,255,0.4);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --- About Section --- */
.about {
  padding: var(--space-section) var(--space-md);
  background: var(--clr-bg);
}

.about__container {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: var(--space-xl);
}

.about__portrait-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.about__portrait-frame {
  position: relative;
  width: 240px;
  height: 240px;
}

.about__portrait-img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--clr-bg-warm);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

.about__portrait-img img,
.about__portrait-img svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.about__portrait-accent {
  position: absolute;
  bottom: -12px;
  right: -12px;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  border: 2px solid var(--clr-secondary);
  opacity: 0.3;
}

.about__tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  justify-content: center;
}

.tag {
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-xl);
  background: var(--clr-primary);
  color: var(--clr-white);
  letter-spacing: 0.03em;
}

.tag:nth-child(2) {
  background: var(--clr-highlight);
}

.tag:nth-child(3) {
  background: var(--clr-secondary);
}

.about__text-col {
  max-width: 600px;
}

.about__text p {
  margin-bottom: var(--space-sm);
  color: var(--clr-text-light);
}

.about__text strong {
  color: var(--clr-primary);
  font-weight: 600;
}

.about__strengths {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.strength {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-primary);
}

.strength__icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  color: var(--clr-highlight);
}

.strength__icon svg {
  width: 100%;
  height: 100%;
}

/* --- Bridge (Warum KI) Section --- */
.bridge {
  padding: var(--space-section) var(--space-md);
  background: var(--clr-primary);
  position: relative;
  overflow: hidden;
}

.bridge::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 0;
  right: 0;
  height: 120px;
  background: var(--clr-bg);
  clip-path: ellipse(55% 100% at 50% 0%);
}

.bridge__container {
  max-width: 1000px;
  margin: 0 auto;
}

.bridge__title {
  font-size: var(--fs-xl);
  color: var(--clr-white);
  margin-bottom: var(--space-xl);
  text-align: center;
}

.bridge__title em {
  color: var(--clr-secondary);
  font-style: italic;
}

.bridge__grid {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.bridge__card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  position: relative;
  transition: all var(--transition-base);
}

.bridge__card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
  border-color: rgba(91, 192, 190, 0.3);
}

.bridge__card-number {
  font-family: var(--ff-display);
  font-size: var(--fs-2xl);
  color: var(--clr-secondary);
  opacity: 0.3;
  position: absolute;
  top: var(--space-sm);
  right: var(--space-md);
  line-height: 1;
}

.bridge__card h3 {
  font-size: var(--fs-lg);
  color: var(--clr-white);
  margin-bottom: var(--space-xs);
}

.bridge__card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

.bridge__conclusion {
  text-align: center;
  color: var(--clr-white);
  font-size: var(--fs-md);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.bridge__conclusion strong {
  color: var(--clr-secondary);
}

/* --- Services Section --- */
.services {
  padding: var(--space-section) var(--space-md);
  background: var(--clr-bg);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 0;
  right: 0;
  height: 120px;
  background: var(--clr-primary);
  clip-path: ellipse(55% 100% at 50% 0%);
}

.services__container {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.services__container .section-label,
.services__container .section-title {
  text-align: center;
}

.services__container .section-label {
  padding-left: 0;
}

.services__container .section-label::before {
  display: none;
}

.services__grid {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  text-align: left;
}

.service-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--clr-border);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--clr-highlight);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card--featured {
  border-color: var(--clr-secondary);
  background: linear-gradient(to bottom right, var(--clr-white), rgba(242, 166, 90, 0.04));
}

.service-card--featured::before {
  background: var(--clr-secondary);
  transform: scaleX(1);
}

.service-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  color: var(--clr-primary);
}

.service-card__icon svg {
  width: 100%;
  height: 100%;
}

.service-card__number {
  font-family: var(--ff-display);
  font-size: var(--fs-xl);
  color: var(--clr-primary);
  opacity: 0.08;
  line-height: 1;
}

.service-card__title {
  font-size: var(--fs-lg);
  color: var(--clr-primary);
  margin-bottom: var(--space-xs);
}

.service-card__desc {
  color: var(--clr-text-light);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.service-card__features {
  margin-bottom: var(--space-md);
}

.service-card__features li {
  font-size: var(--fs-sm);
  color: var(--clr-text);
  padding: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.service-card__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clr-highlight);
  transform: translateY(-50%);
  opacity: 0.6;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--clr-primary);
  transition: all var(--transition-fast);
}

.service-card__link svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-base);
}

.service-card__link:hover {
  color: var(--clr-secondary);
}

.service-card__link:hover svg {
  transform: translateX(4px);
}

.services__aftercare {
  text-align: center;
  max-width: 600px;
  margin: var(--space-xl) auto 0;
  font-size: var(--fs-md);
  font-style: italic;
  color: var(--clr-primary);
  line-height: 1.7;
  position: relative;
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--clr-border);
}

/* --- Vision Section --- */
.vision {
  padding: var(--space-section) var(--space-md);
  background: var(--clr-primary);
  position: relative;
  overflow: hidden;
}

.vision__container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  text-align: center;
}

.vision__quote {
  margin: var(--space-lg) 0;
}

.vision__quote p {
  font-family: var(--ff-display);
  font-size: var(--fs-lg);
  color: var(--clr-white);
  line-height: 1.5;
  font-style: italic;
}

.vision__author {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.vision__author-name {
  color: var(--clr-secondary);
  font-weight: 600;
  font-size: var(--fs-base);
}

.vision__author-role {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--fs-sm);
}

.vision__decoration {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  opacity: 0.4;
  animation: rotateDecor 30s linear infinite;
  pointer-events: none;
}

@keyframes rotateDecor {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.vision__decoration svg {
  width: 100%;
  height: 100%;
}

/* --- Personal Section --- */
.personal {
  padding: var(--space-section) var(--space-md);
  background: var(--clr-bg-warm);
  position: relative;
}

.personal::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 0;
  right: 0;
  height: 120px;
  background: var(--clr-primary);
  clip-path: ellipse(55% 100% at 50% 0%);
}

.personal__container {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.personal__container .section-label {
  padding-left: 0;
}

.personal__container .section-label::before {
  display: none;
}

.personal__grid {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  text-align: center;
}

.personal__card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--clr-border);
  transition: all var(--transition-base);
}

.personal__card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.personal__card-visual {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
  color: var(--clr-primary);
  opacity: 0.7;
}

.personal__card-visual svg {
  width: 100%;
  height: 100%;
}

.personal__card h3 {
  font-size: var(--fs-lg);
  color: var(--clr-primary);
  margin-bottom: var(--space-xs);
}

.personal__card p {
  color: var(--clr-text-light);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

/* --- Contact Section --- */
.contact {
  padding: var(--space-section) var(--space-md);
  background: var(--clr-bg);
}

.contact__container {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: var(--space-xl);
}

.contact__intro {
  color: var(--clr-text-light);
  margin-bottom: var(--space-lg);
  max-width: 500px;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

a.contact__detail:hover {
  background: rgba(15, 76, 92, 0.04);
}

.contact__detail-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-primary);
  color: var(--clr-white);
  border-radius: var(--radius-sm);
  padding: 8px;
}

.contact__detail-icon svg {
  width: 100%;
  height: 100%;
}

.contact__detail-label {
  display: block;
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact__detail-value {
  display: block;
  font-weight: 600;
  color: var(--clr-primary);
  font-size: var(--fs-sm);
}

.contact__social {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--clr-border);
  color: var(--clr-primary);
  transition: all var(--transition-base);
  padding: 10px;
}

.social-link:hover {
  border-color: var(--clr-primary);
  background: var(--clr-primary);
  color: var(--clr-white);
  transform: translateY(-2px);
}

.social-link svg {
  width: 100%;
  height: 100%;
}

/* --- Contact Form --- */
.contact-form {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-sm);
}

.contact-form__group {
  margin-bottom: var(--space-md);
}

.contact-form__label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: 0.4rem;
}

.contact-form__input {
  width: 100%;
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  padding: 0.8rem 1rem;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background: var(--clr-bg);
  color: var(--clr-text);
  transition: all var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.contact-form__input::placeholder {
  color: var(--clr-text-muted);
}

.contact-form__input:focus {
  outline: none;
  border-color: var(--clr-highlight);
  box-shadow: 0 0 0 3px rgba(91, 192, 190, 0.15);
  background: var(--clr-white);
}

.contact-form__select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%232E2E2E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.contact-form__textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form__privacy {
  margin-bottom: var(--space-md);
}

.contact-form__checkbox-label {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: var(--fs-sm);
  color: var(--clr-text-light);
  cursor: pointer;
  line-height: 1.5;
}

.contact-form__checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--clr-primary);
  cursor: pointer;
}

.contact-form__checkbox-label a {
  color: var(--clr-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-form__checkbox-label a:hover {
  color: var(--clr-highlight);
}

.contact-form__feedback {
  margin-top: var(--space-sm);
  padding: 0;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  text-align: center;
  transition: all var(--transition-base);
}

.contact-form__feedback--success {
  padding: var(--space-sm);
  background: rgba(91, 192, 190, 0.1);
  color: var(--clr-primary);
  border: 1px solid rgba(91, 192, 190, 0.3);
}

.contact-form__feedback--error {
  padding: var(--space-sm);
  background: rgba(242, 166, 90, 0.1);
  color: var(--clr-secondary-dark);
  border: 1px solid rgba(242, 166, 90, 0.3);
}

/* --- Footer --- */
.footer {
  padding: var(--space-xl) var(--space-md);
  background: var(--clr-primary-dark);
  text-align: center;
}

.footer__container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.footer__brand-name {
  font-family: var(--ff-display);
  font-size: var(--fs-md);
  color: var(--clr-white);
}

.footer__brand-sub {
  font-size: var(--fs-xs);
  color: var(--clr-highlight-light);
  letter-spacing: 0.05em;
}

.footer__nav {
  display: flex;
  gap: var(--space-md);
}

.footer__nav a {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--fs-sm);
  transition: color var(--transition-fast);
}

.footer__nav a:hover {
  color: var(--clr-white);
}

.footer__copy {
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.35);
}

/* --- Animations --- */
.anim-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  animation-delay: var(--delay, 0s);
}

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

.anim-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.anim-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive: Tablet --- */
@media (min-width: 640px) {
  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }

  .bridge__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .personal__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services__grid .service-card--featured {
    grid-column: 1 / -1;
  }
}

/* --- Responsive: Desktop --- */
@media (min-width: 960px) {
  .nav__toggle {
    display: none;
  }

  .nav__links {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    flex-direction: row;
    align-items: center;
    padding: 0;
    gap: var(--space-lg);
    right: auto;
  }

  .nav__links a {
    font-size: var(--fs-sm);
  }

  .nav__cta {
    margin-top: 0;
  }

  .about__container {
    grid-template-columns: 300px 1fr;
    align-items: start;
    gap: var(--space-2xl);
  }

  .about__portrait-col {
    position: sticky;
    top: 120px;
  }

  .about__portrait-frame {
    width: 280px;
    height: 280px;
  }

  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .services__grid .service-card--featured {
    grid-column: auto;
  }

  .contact__container {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .anim-fade-up,
  .anim-reveal {
    opacity: 1;
    transform: none;
  }
}