/* =============================================
   MUZAFFER ARIKPINAR — Premium Website
   Technischer Zeichner | Architektur & Planung
   ============================================= */

/* === CUSTOM PROPERTIES === */
:root {
  /* Colors */
  --white: #ffffff;
  --off-white: #fafaf8;
  --sand-light: #f5f3ef;
  --sand: #ece8e1;
  --warm-gray: #d5d0c8;
  --mid-gray: #a09a90;
  --graphite: #6b6560;
  --anthracite: #3a3632;
  --charcoal: #2a2725;
  --black: #1a1816;

  /* Functional */
  --bg-primary: var(--white);
  --bg-secondary: var(--off-white);
  --bg-tertiary: var(--sand-light);
  --text-primary: var(--charcoal);
  --text-secondary: var(--graphite);
  --text-muted: var(--mid-gray);
  --border: var(--sand);
  --border-light: var(--sand-light);
  --accent: var(--anthracite);

  /* Typography */
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Sizes */
  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --text-lg: clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
  --text-xl: clamp(1.3rem, 1.1rem + 1vw, 1.8rem);
  --text-2xl: clamp(1.8rem, 1.4rem + 2vw, 2.8rem);
  --text-3xl: clamp(2.4rem, 1.8rem + 3vw, 4rem);
  --text-4xl: clamp(3rem, 2rem + 4vw, 5.5rem);

  /* Spacing */
  --space-xs: clamp(0.5rem, 0.4rem + 0.5vw, 0.75rem);
  --space-sm: clamp(0.75rem, 0.6rem + 0.75vw, 1.25rem);
  --space-md: clamp(1.5rem, 1.2rem + 1.5vw, 2.5rem);
  --space-lg: clamp(3rem, 2.5rem + 2.5vw, 5rem);
  --space-xl: clamp(5rem, 4rem + 5vw, 9rem);
  --space-2xl: clamp(7rem, 5rem + 8vw, 14rem);

  /* Layout */
  --container-max: 1280px;
  --container-padding: clamp(1.5rem, 4vw, 4rem);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 0.3s;
  --duration-base: 0.6s;
  --duration-slow: 1s;
  --duration-reveal: 1.2s;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

/* === SKIP LINK === */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.75rem 1.5rem;
  background: var(--black);
  color: var(--white);
  font-size: var(--text-sm);
  z-index: 10000;
  border-radius: 0 0 4px 4px;
  transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  top: 0;
}

/* === CONTAINER === */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* === TYPOGRAPHY === */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.section-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--warm-gray);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.section-desc {
  font-size: var(--text-lg);
  font-weight: 300;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 560px;
}

.section-header {
  margin-bottom: var(--space-lg);
}

.text-large {
  font-size: var(--text-lg);
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* === SECTION === */
.section {
  padding: var(--space-xl) 0;
  position: relative;
}

.section--leistungen,
.section--qualitaet {
  background-color: var(--bg-secondary);
}

.section--kontakt {
  background-color: var(--sand-light);
}

/* === NAVIGATION === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              backdrop-filter var(--duration-fast) var(--ease-out);
}

.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 72px;
}

.nav__logo {
  position: relative;
  z-index: 1001;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--white);
  transition: color var(--duration-fast) var(--ease-out);
}

.site-header.is-scrolled .nav__logo-text {
  color: var(--text-primary);
}

.nav__logo-dot {
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--duration-fast) var(--ease-out);
}

.site-header.is-scrolled .nav__logo-dot {
  color: var(--mid-gray);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}

.site-header.is-scrolled .nav__link {
  color: var(--text-secondary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--white);
  transition: width var(--duration-fast) var(--ease-out);
}

.site-header.is-scrolled .nav__link::after {
  background: var(--text-primary);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--white);
}

.site-header.is-scrolled .nav__link:hover,
.site-header.is-scrolled .nav__link:focus-visible {
  color: var(--text-primary);
}

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

.nav__link--cta {
  padding: 0.5rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-weight: 500;
  transition: all var(--duration-fast) var(--ease-out);
}

.site-header.is-scrolled .nav__link--cta {
  border-color: var(--border);
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover,
.nav__link--cta:focus-visible {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.site-header.is-scrolled .nav__link--cta:hover,
.site-header.is-scrolled .nav__link--cta:focus-visible {
  background: var(--text-primary);
  color: var(--white);
  border-color: var(--text-primary);
}

/* Mobile Nav Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 6px;
  position: relative;
  z-index: 1001;
}

.nav__toggle-line {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--white);
  transition: all var(--duration-fast) var(--ease-out);
}

.site-header.is-scrolled .nav__toggle-line {
  background: var(--text-primary);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:first-child {
  transform: rotate(45deg) translate(2.5px, 2.5px);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:last-child {
  transform: rotate(-45deg) translate(2.5px, -2.5px);
}

@media (max-width: 900px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    background: var(--white);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-base) var(--ease-out);
    z-index: 1000;
  }

  .nav__menu.is-open {
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    font-size: var(--text-xl);
    font-weight: 300;
  }

  .nav__link--cta {
    font-size: var(--text-base);
  }
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 1rem 2.25rem;
  border: 1px solid transparent;
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

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

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--black);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(26, 24, 22, 0.15);
}

.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  border-color: var(--text-primary);
  transform: translateY(-1px);
}

.btn--full {
  width: 100%;
}

.btn:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

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

.hero__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
}

.hero__video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 24, 22, 0.55);
  z-index: 1;
  pointer-events: none;
}

.hero__canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.hero__grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.4;
  pointer-events: none;
  z-index: 2;
}

.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: var(--space-lg) 0;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-md);
}

.hero__badge-line {
  display: block;
  width: 40px;
  height: 1px;
  background: rgba(255, 255, 255, 0.3);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: var(--space-md);
}

.hero__title-line {
  display: block;
}

.hero__title-line--accent {
  color: rgba(255, 255, 255, 0.7);
}

.hero__subtitle {
  font-size: var(--text-lg);
  font-weight: 300;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  max-width: 640px;
  margin: 0 auto var(--space-md);
}

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

.hero__actions .btn--primary {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.hero__actions .btn--primary:hover,
.hero__actions .btn--primary:focus-visible {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.hero__actions .btn--secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}

.hero__actions .btn--secondary:hover,
.hero__actions .btn--secondary:focus-visible {
  border-color: var(--white);
  color: var(--white);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -48px;
  left: 0;
  width: 1px;
  height: 48px;
  background: rgba(255, 255, 255, 0.8);
  animation: scrollLine 2s var(--ease-in-out) infinite;
}

@keyframes scrollLine {
  0% { transform: translateY(0); }
  100% { transform: translateY(96px); }
}

/* === PROFIL === */
.profil__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.profil__intro {
  grid-column: 1 / -1;
}

.profil__text p {
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
}

.profil__text p:last-child {
  margin-bottom: 0;
}

.profil__stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding-left: var(--space-md);
  border-left: 1px solid var(--border);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1;
  color: var(--text-primary);
}

.stat__suffix {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--mid-gray);
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: 0.35rem;
  letter-spacing: 0.04em;
}

@media (max-width: 768px) {
  .profil__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .profil__stats {
    flex-direction: row;
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--border);
    padding-top: var(--space-md);
    justify-content: space-between;
  }
}

/* === SERVICES === */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.service-card {
  background: var(--bg-secondary);
  padding: var(--space-md);
  position: relative;
  transition: all var(--duration-base) var(--ease-out);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}

.service-card:hover {
  background: var(--white);
}

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

.service-card__number {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--warm-gray);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.05em;
}

.service-card__icon {
  width: 48px;
  height: 48px;
  color: var(--mid-gray);
  margin-bottom: var(--space-sm);
  transition: color var(--duration-fast) var(--ease-out);
}

.service-card:hover .service-card__icon {
  color: var(--text-primary);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  hyphens: auto;
}

.service-card__desc {
  font-size: var(--text-sm);
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-secondary);
}

@media (max-width: 900px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .services__grid {
    grid-template-columns: 1fr;
  }
}

/* === PROCESS === */
.section--prozess {
  overflow: hidden;
}

.process__timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.process__line {
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.process__line-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 0;
  background: var(--text-primary);
  transition: height 0.1s linear;
}

.process__step {
  display: flex;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
  position: relative;
}

.process__step:last-child {
  padding-bottom: 0;
}

.process__step-marker {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  position: relative;
  z-index: 1;
  transition: all var(--duration-base) var(--ease-out);
}

.process__step-marker span {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--text-muted);
  transition: color var(--duration-fast) var(--ease-out);
}

.process__step.is-active .process__step-marker {
  border-color: var(--text-primary);
  background: var(--text-primary);
}

.process__step.is-active .process__step-marker span {
  color: var(--white);
}

.process__step-content {
  padding-top: 0.5rem;
}

.process__step-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.process__step-content p {
  font-size: var(--text-base);
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (max-width: 600px) {
  .process__line {
    left: 20px;
  }

  .process__step-marker {
    width: 40px;
    height: 40px;
  }

  .process__step {
    gap: var(--space-sm);
  }
}

/* === PROJECTS === */
.projects__slider {
  position: relative;
  overflow: hidden;
}

.projects__track {
  display: flex;
  gap: clamp(1rem, 2vw, 2rem);
  transition: transform 0.8s var(--ease-out);
  cursor: grab;
}

.projects__track:active {
  cursor: grabbing;
}

.project-card {
  flex: 0 0 calc(50% - 1rem);
  min-width: 320px;
}

.project-card__visual {
  position: relative;
  aspect-ratio: 16 / 11;
  background: var(--sand-light);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  transition: border-color var(--duration-fast) var(--ease-out);
}

.project-card:hover .project-card__visual {
  border-color: var(--warm-gray);
}

.project-card__blueprint {
  width: 80%;
  height: 80%;
  color: var(--mid-gray);
  transition: all var(--duration-base) var(--ease-out);
}

.project-card:hover .project-card__blueprint {
  transform: scale(1.03);
  color: var(--graphite);
}

.project-card__category {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.9);
  padding: 0.35rem 0.75rem;
  backdrop-filter: blur(4px);
}

.project-card__info {
  padding: 0.25rem 0;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  line-height: 1.3;
}

.project-card__desc {
  font-size: var(--text-sm);
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.project-card__meta {
  display: flex;
  gap: 1.5rem;
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.projects__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-top: var(--space-md);
}

.projects__btn {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) var(--ease-out);
}

.projects__btn svg {
  width: 20px;
  height: 20px;
}

.projects__btn:hover,
.projects__btn:focus-visible {
  border-color: var(--text-primary);
  background: var(--text-primary);
  color: var(--white);
}

.projects__btn:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

.projects__counter {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 60px;
  justify-content: center;
}

.projects__current {
  color: var(--text-primary);
  font-weight: 500;
}

.projects__divider {
  color: var(--warm-gray);
}

@media (max-width: 768px) {
  .project-card {
    flex: 0 0 85%;
    min-width: 280px;
  }
}

/* === ABOUT === */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-lg);
  align-items: center;
}

.about__frame {
  position: relative;
  aspect-ratio: 1;
  max-width: 420px;
  margin: 0 auto;
}

.about__frame-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--off-white);
  border: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.about__monogram {
  width: 60%;
  height: 60%;
  color: var(--mid-gray);
}

.about__frame-lines {
  position: absolute;
  top: -12px;
  left: -12px;
  right: -12px;
  bottom: -12px;
  pointer-events: none;
}

.about__frame-lines span {
  position: absolute;
  background: var(--border);
}

.about__frame-lines span:nth-child(1) {
  top: 0;
  left: 0;
  width: 40px;
  height: 1px;
}

.about__frame-lines span:nth-child(2) {
  top: 0;
  left: 0;
  width: 1px;
  height: 40px;
}

.about__frame-lines span:nth-child(3) {
  bottom: 0;
  right: 0;
  width: 40px;
  height: 1px;
}

.about__frame-lines span:nth-child(4) {
  bottom: 0;
  right: 0;
  width: 1px;
  height: 40px;
}

.about__content {
  max-width: 560px;
}

.about__text p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.about__text p:last-child {
  margin-bottom: 0;
}

.about__qualities {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: var(--space-md);
}

.quality {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--text-secondary);
}

.quality__line {
  width: 16px;
  height: 1px;
  background: var(--warm-gray);
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .about__frame {
    max-width: 280px;
  }

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

/* === TRUST / QUALITY === */
.trust__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.trust-item {
  padding-top: var(--space-sm);
}

.trust-item__line {
  width: 32px;
  height: 2px;
  background: var(--warm-gray);
  margin-bottom: var(--space-sm);
  transition: all var(--duration-base) var(--ease-out);
}

.trust-item:hover .trust-item__line {
  width: 48px;
  background: var(--text-primary);
}

.trust-item__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.trust-item p {
  font-size: var(--text-sm);
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .trust__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .trust__grid {
    grid-template-columns: 1fr;
  }
}

/* === CONTACT === */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-lg);
  align-items: start;
}

.contact__details {
  margin-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact__detail {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.contact__detail-label {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.contact__detail-value {
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--text-primary);
  transition: color var(--duration-fast) var(--ease-out);
}

a.contact__detail-value:hover,
a.contact__detail-value:focus-visible {
  color: var(--graphite);
}

/* Form */
.contact__form-wrapper {
  background: var(--white);
  padding: var(--space-md);
  border: 1px solid var(--border);
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.form-input {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 300;
  padding: 0.85rem 0;
  border: none;
  border-bottom: 1px solid var(--border);
  background: transparent;
  color: var(--text-primary);
  transition: border-color var(--duration-fast) var(--ease-out);
  appearance: none;
  border-radius: 0;
}

.form-input:focus {
  outline: none;
  border-bottom-color: var(--text-primary);
}

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

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23a09a90' stroke-width='1'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
  padding-right: 1.5rem;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-note {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.6;
  margin-top: 0.25rem;
}

@media (max-width: 768px) {
  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

/* === FOOTER === */
.footer {
  background: var(--charcoal);
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  display: block;
  margin-bottom: 0.75rem;
}

.footer__logo-dot {
  color: rgba(255, 255, 255, 0.3);
}

.footer__desc {
  font-size: var(--text-sm);
  line-height: 1.6;
}

.footer__nav-title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 1rem;
}

.footer__nav ul li,
.footer__legal ul li {
  margin-bottom: 0.5rem;
}

.footer__nav a,
.footer__legal a,
.footer__contact p {
  font-size: var(--text-sm);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__nav a:hover,
.footer__nav a:focus-visible,
.footer__legal a:hover,
.footer__legal a:focus-visible {
  color: rgba(255, 255, 255, 0.9);
}

.footer__contact p {
  margin-bottom: 0.5rem;
}

.footer__bottom {
  padding-top: var(--space-md);
}

.footer__bottom p {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.04em;
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* === REVEAL ANIMATIONS === */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--duration-reveal) var(--ease-out),
              transform var(--duration-reveal) var(--ease-out);
}

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

/* 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;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__scroll-line::after {
    animation: none;
  }

  .hero__canvas {
    display: none;
  }
}

/* === FOCUS STYLES === */
*:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

/* === SELECTION === */
::selection {
  background: var(--anthracite);
  color: var(--white);
}

/* === PRINT === */
@media print {
  .site-header,
  .hero__canvas,
  .hero__grid-overlay,
  .hero__scroll-indicator,
  .projects__controls {
    display: none;
  }

  .section {
    padding: 2rem 0;
    break-inside: avoid;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}