/* ================================================
   SITE-PROGER — MAIN STYLESHEET
   Mobile-first, Vanilla CSS, CSS Custom Properties
   ================================================ */

/* ========== CSS CUSTOM PROPERTIES ========== */
:root {
  /* --- Шрифт --- */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* --- Типографика (clamp для responsive) --- */
  --text-hero:    clamp(36px, 5vw, 64px);
  --text-h2:      clamp(26px, 3.5vw, 40px);
  --text-h3:      20px;
  --text-body-l:  18px;
  --text-body:    16px;
  --text-body-m:  15px;
  --text-body-s:  14px;
  --text-caption: 13px;
  --text-micro:   12px;

  /* --- Primary (синий) --- */
  --primary-900: #1E3A8A;
  --primary-800: #1E40AF;
  --primary-700: #1D4ED8;
  --primary-600: #2563EB;
  --primary-500: #3B82F6;
  --primary-400: #60A5FA;
  --primary-200: #BFDBFE;
  --primary-100: #DBEAFE;
  --primary-50:  #EFF6FF;

  /* --- Нейтральные (Slate) --- */
  --slate-900: #0F172A;
  --slate-800: #1E293B;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748B;
  --slate-400: #94A3B8;
  --slate-300: #CBD5E1;
  --slate-200: #E2E8F0;
  --slate-100: #F1F5F9;
  --slate-50:  #F8FAFC;
  --white:     #FFFFFF;

  /* --- Семантические --- */
  --success-900: #14532D;
  --success-800: #166534;
  --success-700: #15803D;
  --success-600: #16A34A;
  --success-100: #DCFCE7;
  --warning-500: #F59E0B;
  --error-600:   #DC2626;
  --error-500:   #EF4444;
  --error-100:   #FEE2E2;

  /* --- Фоны секций --- */
  --bg-page:     #FFFFFF;
  --bg-page-alt: #F8FAFF;
  --bg-footer:   #0F172A;

  /* --- Переходы --- */
  --transition-fast:   0.15s ease;
  --transition-base:   0.2s ease;
  --transition-slow:   0.3s ease;
  --transition-slower: 0.4s ease;

  /* --- Тени --- */
  --shadow-sm:   0 1px 3px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04);
  --shadow-md:   0 4px 16px rgba(15,23,42,0.08);
  --shadow-lg:   0 8px 24px rgba(37,99,235,0.08);
  --shadow-xl:   0 12px 32px rgba(15,23,42,0.12);
  --shadow-2xl:  0 20px 60px rgba(15,23,42,0.15);
  --shadow-blue: 0 4px 12px rgba(37,99,235,0.35);

  /* --- Border radius --- */
  --radius-sm:   6px;
  --radius-md:   8px;
  --radius-lg:   10px;
  --radius-xl:   12px;
  --radius-2xl:  14px;
  --radius-3xl:  16px;
  --radius-4xl:  24px;
  --radius-full: 999px;

  /* --- Z-index --- */
  --z-base:     0;
  --z-raised:   10;
  --z-sticky:   50;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--text-body);
  color: var(--slate-600);
  background-color: var(--bg-page);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font-family: var(--font-family);
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ========== FOCUS STYLES (Accessibility) ========== */
:focus-visible {
  outline: 2px solid var(--primary-600);
  outline-offset: 3px;
  border-radius: 4px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* ========== CONTAINER ========== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 80px);
}

/* ========== SECTION LABEL ========== */
.section-label {
  display: inline-block;
  background-color: var(--primary-50);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  font-size: var(--text-caption);
  font-weight: 600;
  color: var(--primary-600);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* ========== SECTION HEADERS ========== */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: var(--text-h2);
  font-weight: 800;
  line-height: 1.2;
  color: var(--slate-900);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-header .section-subtitle {
  font-size: var(--text-body-m);
  color: var(--slate-500);
  line-height: 1.6;
}

/* ========== BUTTONS ========== */

/* Primary */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--primary-600);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 0 32px;
  height: 52px;
  font-size: var(--text-body);
  font-weight: 600;
  font-family: var(--font-family);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary:hover {
  background-color: var(--primary-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-primary:disabled,
.btn-primary[disabled] {
  background-color: #93C5FD;
  color: rgba(255,255,255,0.7);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Ghost */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: transparent;
  color: var(--primary-600);
  border: 2px solid var(--primary-600);
  border-radius: var(--radius-lg);
  padding: 0 30px;
  height: 52px;
  font-size: var(--text-body);
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-ghost:hover {
  background-color: var(--primary-50);
  border-color: var(--primary-700);
  color: var(--primary-700);
}

.btn-ghost:active {
  background-color: var(--primary-100);
}

/* Text button */
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: transparent;
  color: var(--primary-600);
  border: none;
  padding: 0;
  font-size: var(--text-body-s);
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  transition: color var(--transition-fast), gap var(--transition-base);
}

.btn-text:hover {
  color: var(--primary-700);
  gap: 10px;
}

/* Small variants */
.btn-primary--sm {
  height: 44px;
  padding: 0 24px;
  font-size: var(--text-body-s);
}

.btn-ghost--sm {
  height: 44px;
  padding: 0 22px;
  font-size: var(--text-body-s);
}

/* ========== ANIMATIONS ========== */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

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

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ========== SCROLL REVEAL ========== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

.reveal--left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal--right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--hero-right { transition-delay: 0.15s; }

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background-color: var(--white);
  border-bottom: 1px solid var(--slate-200);
  z-index: var(--z-sticky);
  opacity: 0;
  transform: translateY(-100%);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.header.visible {
  opacity: 1;
  transform: translateY(0);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  font-size: var(--text-body);
  font-weight: 700;
  color: var(--slate-900);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.header__logo:hover {
  color: var(--primary-600);
}

.header__nav {
  display: none;
  align-items: center;
  gap: 32px;
}

.header__nav a {
  font-size: var(--text-body-s);
  font-weight: 500;
  color: var(--slate-500);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--primary-600);
}

.header__nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary-600);
  border-radius: 1px;
}

.header__cta {
  background-color: var(--primary-600);
  color: var(--white);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  font-size: var(--text-body-s);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background-color var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.header__cta:hover {
  background-color: var(--primary-700);
}

/* Desktop header */
@media (min-width: 1024px) {
  .header {
    height: 64px;
  }

  .header__nav {
    display: flex;
  }

  .header__cta {
    padding: 10px 20px;
  }
}

/* ========== HERO ========== */
.hero {
  min-height: 90vh;
  background-color: var(--bg-page-alt);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero__inner {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 40px;
}

.hero__content {
  flex: 1;
  text-align: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--success-100);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: var(--text-caption);
  font-weight: 500;
  color: var(--success-700);
  margin-bottom: 24px;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success-600);
  animation: pulse-dot 2s ease-in-out infinite;
  flex-shrink: 0;
}

.hero__title {
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.1;
  color: var(--slate-900);
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

.hero__title span {
  color: var(--primary-600);
}

.hero__subtitle {
  font-size: var(--text-body-l);
  font-weight: 400;
  line-height: 1.6;
  color: var(--slate-600);
  margin-bottom: 40px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.hero__cta-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.hero__cta-group .btn-primary,
.hero__cta-group .btn-ghost {
  width: 100%;
  max-width: 320px;
}

.hero__trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.hero__trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.hero__trust-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1;
}

.hero__trust-label {
  font-size: var(--text-caption);
  color: var(--slate-400);
  white-space: nowrap;
}

.hero__trust-divider {
  width: 1px;
  height: 32px;
  background-color: var(--slate-200);
  flex-shrink: 0;
}

/* Hero image */
.hero__visual {
  position: relative;
  width: 200px;
  height: 200px;
  flex-shrink: 0;
}

.hero__visual-blob {
  position: absolute;
  top: -10px;
  left: -10px;
  width: 220px;
  height: 220px;
  border-radius: 62% 38% 46% 54% / 60% 44% 56% 40%;
  background-color: rgba(37,99,235,0.07);
  z-index: 0;
}

.hero__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-4xl);
  box-shadow: var(--shadow-2xl);
  position: relative;
  z-index: 1;
}

/* Placeholder avatar when no photo */
.hero__photo-placeholder {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-4xl);
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-2xl);
  position: relative;
  z-index: 1;
}

.hero__photo-placeholder-initials {
  font-size: 56px;
  font-weight: 800;
  color: var(--primary-600);
  line-height: 1;
  user-select: none;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--slate-400);
  transition: opacity var(--transition-slow);
}

.hero__scroll svg {
  animation: bounce 2s ease-in-out infinite;
}

/* Tablet+ */
@media (min-width: 768px) {
  .hero {
    min-height: 90vh;
  }

  .hero__visual {
    width: 300px;
    height: 300px;
  }

  .hero__visual-blob {
    width: 340px;
    height: 340px;
  }

  .hero__trust {
    gap: 24px;
  }

  .hero__trust-num {
    font-size: 24px;
  }

  .hero__cta-group {
    flex-direction: row;
    justify-content: center;
  }

  .hero__cta-group .btn-primary,
  .hero__cta-group .btn-ghost {
    width: auto;
    max-width: none;
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .hero {
    min-height: 100vh;
    padding: 100px 0 80px;
  }

  .hero__inner {
    flex-direction: row;
    align-items: center;
    gap: 60px;
  }

  .hero__content {
    flex: 0 0 55%;
    text-align: left;
  }

  .hero__subtitle {
    margin-left: 0;
    margin-right: 0;
  }

  .hero__cta-group {
    justify-content: flex-start;
  }

  .hero__trust {
    justify-content: flex-start;
    gap: 32px;
  }

  .hero__trust-num {
    font-size: 28px;
  }

  .hero__visual {
    width: 400px;
    height: 400px;
    flex-shrink: 0;
  }

  .hero__visual-blob {
    top: -20px;
    left: -20px;
    width: 440px;
    height: 440px;
  }

  .hero__scroll {
    display: flex;
  }
}

/* ========== ABOUT ========== */
.about {
  padding: 64px 0;
  background-color: var(--bg-page);
}

.about__grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.about__text {
  font-size: var(--text-body);
  line-height: 1.7;
  color: var(--slate-600);
  margin-bottom: 24px;
}

.about__values {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about__value-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: var(--text-body-m);
  font-weight: 500;
  color: var(--slate-900);
}

.about__value-item svg {
  color: var(--primary-600);
  flex-shrink: 0;
}

/* Tech stack */
.about__stack {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.stack-group__title {
  font-size: var(--text-micro);
  font-weight: 700;
  color: var(--slate-400);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.stack-group__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--slate-100);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  font-size: var(--text-caption);
  font-weight: 600;
  color: var(--slate-700);
  cursor: default;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

@media (hover: hover) and (pointer: fine) {
  .tech-badge:hover {
    background-color: var(--primary-50);
    border-color: var(--primary-200);
    color: var(--primary-800);
  }
}

/* CTA Banner */
.about__cta-banner {
  background-color: var(--bg-page-alt);
  border-radius: var(--radius-3xl);
  padding: 28px 24px;
  border: 1px solid var(--slate-200);
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 48px;
}

.about__cta-banner-text h3 {
  font-size: var(--text-h3);
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 6px;
}

.about__cta-banner-text p {
  font-size: var(--text-body-s);
  color: var(--slate-500);
}

.about__cta-banner .btn-primary {
  width: 100%;
}

/* Tablet+ */
@media (min-width: 768px) {
  .about {
    padding: 80px 0;
  }

  .about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
  }

  .about__cta-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 32px 40px;
  }

  .about__cta-banner .btn-primary {
    width: auto;
    flex-shrink: 0;
  }
}

@media (min-width: 1024px) {
  .about {
    padding: 96px 0;
  }

  .about__grid {
    grid-template-columns: 45% 50%;
    gap: 60px;
  }
}

/* ========== PORTFOLIO ========== */
.portfolio {
  padding: 64px 0;
  background-color: var(--bg-page-alt);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

/* Portfolio Card */
.portfolio-card {
  background-color: var(--white);
  border-radius: var(--radius-3xl);
  border: 1px solid var(--slate-100);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
  .portfolio-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
  }
}

.portfolio-card__cover {
  width: 100%;
  height: 220px;
  object-fit: cover;
  object-position: top center;
}

.portfolio-card__cover-placeholder {
  width: 100%;
  height: 220px;
  background-color: var(--slate-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-300);
}

/* ========== PORTFOLIO COVER — GRADIENT + ICON ========== */

/* Base cover wrapper */
.pf-cover {
  width: 100%;
  height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  gap: 12px;
}

/* Decorative circle background */
.pf-cover::before {
  content: '';
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.pf-cover::after {
  content: '';
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  top: 50%;
  left: 50%;
  transform: translate(-40%, -60%);
  pointer-events: none;
}

.pf-cover--purple { background: linear-gradient(135deg, #7C3AED 0%, #A78BFA 50%, #C4B5FD 100%); }
.pf-cover--amber  { background: linear-gradient(135deg, #D97706 0%, #F59E0B 50%, #FCD34D 100%); }
.pf-cover--teal   { background: linear-gradient(135deg, #0F766E 0%, #14B8A6 50%, #5EEAD4 100%); }
.pf-cover--indigo { background: linear-gradient(135deg, #4338CA 0%, #6366F1 50%, #A5B4FC 100%); }
.pf-cover--rose   { background: linear-gradient(135deg, #BE123C 0%, #F43F5E 50%, #FDA4AF 100%); }
.pf-cover--cyan   { background: linear-gradient(135deg, #0E7490 0%, #06B6D4 50%, #67E8F9 100%); }


/* ========== END PORTFOLIO COVER STYLES ========== */

.portfolio-card__body {
  padding: 24px;
}

.portfolio-card__tag {
  display: inline-block;
  background-color: var(--primary-50);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary-600);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.portfolio-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.3;
  margin-bottom: 8px;
}

.portfolio-card__summary {
  font-size: var(--text-body-s);
  color: var(--slate-600);
  line-height: 1.5;
  margin-bottom: 16px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.portfolio-card__techs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.tech-tag {
  background-color: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: var(--text-micro);
  font-weight: 500;
  color: var(--slate-500);
}

.portfolio-card__more-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-600);
  font-size: var(--text-body-s);
  font-weight: 600;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: color var(--transition-fast), gap var(--transition-base);
  font-family: var(--font-family);
}

@media (hover: hover) and (pointer: fine) {
  .portfolio-card__more-btn:hover {
    color: var(--primary-700);
    gap: 10px;
  }
}

/* Expanded detail */
.portfolio-card__detail {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.4s ease, opacity 0.35s ease;
}

.portfolio-card__detail.open {
  max-height: 2000px;
  opacity: 1;
}

.portfolio-card__detail-inner {
  padding: 24px;
  border-top: 1px solid var(--slate-200);
  background-color: var(--slate-50);
}

.portfolio-card__result-block {
  background-color: var(--success-100);
  border-radius: var(--radius-xl);
  padding: 16px 20px;
  margin-bottom: 20px;
}

.portfolio-card__result-block .block-label {
  font-size: var(--text-micro);
  font-weight: 700;
  color: var(--success-700);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.portfolio-card__result-block p {
  font-size: var(--text-body-m);
  font-weight: 600;
  color: var(--success-900);
  line-height: 1.5;
}

.portfolio-card__block {
  margin-bottom: 16px;
}

.portfolio-card__block .block-label {
  font-size: var(--text-micro);
  font-weight: 700;
  color: var(--slate-500);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.portfolio-card__block p {
  font-size: var(--text-body-s);
  color: var(--slate-600);
  line-height: 1.7;
}

.portfolio-card__stack {
  margin-bottom: 20px;
}

.portfolio-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.portfolio-card__nda {
  font-size: var(--text-caption);
  color: var(--slate-400);
  font-style: italic;
}

/* Portfolio show more btn */
.portfolio__showmore {
  text-align: center;
  margin-top: 32px;
}

/* Hidden cards */
.portfolio-card.hidden {
  display: none;
}

.portfolio-card.hidden.revealed {
  display: block;
  animation: fade-in 0.3s ease;
}

/* Tablet+ */
@media (min-width: 768px) {
  .portfolio {
    padding: 80px 0;
  }

  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .portfolio {
    padding: 96px 0;
  }

  .portfolio__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

/* ========== SERVICES ========== */
.services {
  padding: 64px 0;
  background-color: var(--bg-page);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 48px;
}

/* Service Card */
.service-card {
  background-color: var(--white);
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-3xl);
  padding: 28px;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
  .service-card:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-lg);
  }
}

.service-card__icon {
  width: 56px;
  height: 56px;
  background-color: var(--primary-50);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary-600);
}

.service-card__title {
  font-size: var(--text-h3);
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.3;
  margin-bottom: 12px;
}

.service-card__desc {
  font-size: var(--text-body-m);
  color: var(--slate-600);
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-card__list-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--text-body-s);
  color: var(--slate-700);
  line-height: 1.5;
}

.service-card__list-item svg {
  color: var(--primary-600);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Services CTA block */
.services__cta-block {
  background-color: var(--bg-page-alt);
  border-radius: var(--radius-3xl);
  padding: 40px 24px;
  text-align: center;
}

.services__cta-block h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 8px;
}

.services__cta-block p {
  font-size: var(--text-body-m);
  color: var(--slate-500);
  margin-bottom: 24px;
}

/* Tablet+ */
@media (min-width: 768px) {
  .services {
    padding: 80px 0;
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .service-card {
    padding: 32px;
  }
}

@media (min-width: 1024px) {
  .services {
    padding: 96px 0;
  }

  .services__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

/* ========== REVIEWS ========== */
.reviews {
  padding: 64px 0;
  background-color: var(--bg-page-alt);
}

.reviews__trust-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.reviews__stars {
  display: flex;
  gap: 3px;
  color: var(--warning-500);
}

.reviews__trust-text {
  font-size: var(--text-body-m);
  color: var(--slate-500);
}

.reviews__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

/* Mobile scroll-snap */
@media (max-width: 767px) {
  .reviews__grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 16px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .reviews__grid::-webkit-scrollbar {
    display: none;
  }
}

/* Review Card */
.review-card {
  background-color: var(--white);
  border-radius: var(--radius-3xl);
  padding: 28px;
  border: 1px solid var(--slate-100);
  box-shadow: 0 2px 12px rgba(15,23,42,0.06);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .review-card {
    width: calc(100vw - 48px);
    scroll-snap-align: start;
  }
}

.review-card::before {
  content: '\201C';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 80px;
  color: var(--primary-50);
  font-family: Georgia, serif;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.review-card__stars {
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
  color: var(--warning-500);
}

.review-card__text {
  font-size: var(--text-body-m);
  color: var(--slate-700);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 24px;
}

.review-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--slate-100);
  padding-top: 20px;
}

.review-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--primary-50);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-600);
  flex-shrink: 0;
  overflow: hidden;
}

.review-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.review-card__author-name {
  font-size: var(--text-body-s);
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.3;
}

.review-card__author-role {
  font-size: var(--text-caption);
  color: var(--slate-500);
  margin-top: 2px;
}

/* Tablet+ */
@media (min-width: 768px) {
  .reviews {
    padding: 80px 0;
  }

  .reviews__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    overflow: visible;
  }

  .review-card {
    width: auto;
  }
}

@media (min-width: 1024px) {
  .reviews {
    padding: 96px 0;
  }

  .reviews__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

/* ========== CONTACT ========== */
.contact {
  padding: 64px 0;
  background-color: var(--bg-page);
}

.contact__grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

/* Messenger buttons */
.contact__messengers-title {
  font-size: var(--text-body-m);
  font-weight: 600;
  color: var(--slate-900);
  margin-bottom: 16px;
}

.contact__messengers {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.btn-messenger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px 20px;
  border-radius: var(--radius-xl);
  border: 1.5px solid;
  background-color: transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  font-family: var(--font-family);
}

.btn-messenger--telegram {
  border-color: #29B6F6;
  background-color: #F0FBFF;
}

@media (hover: hover) and (pointer: fine) {
  .btn-messenger--telegram:hover {
    background-color: #E0F7FA;
    border-color: #0088CC;
  }
}

.btn-messenger--whatsapp {
  border-color: #4CAF50;
  background-color: #F0FFF4;
}

@media (hover: hover) and (pointer: fine) {
  .btn-messenger--whatsapp:hover {
    background-color: #E8F5E9;
    border-color: #25D366;
  }
}

.btn-messenger__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-messenger__text {
  flex: 1;
}

.btn-messenger__label {
  font-size: var(--text-body-m);
  font-weight: 600;
  color: var(--slate-900);
  display: block;
}

.btn-messenger__handle {
  font-size: var(--text-micro);
  color: var(--slate-500);
  display: block;
  margin-top: 2px;
}

/* Divider */
.contact__divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.contact__divider-line {
  flex: 1;
  height: 1px;
  background-color: var(--slate-200);
}

.contact__divider-text {
  font-size: var(--text-caption);
  color: var(--slate-400);
  white-space: nowrap;
}

/* Meta info */
.contact__meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact__meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-body-s);
  color: var(--slate-500);
}

.contact__meta-item svg {
  color: var(--slate-400);
  flex-shrink: 0;
}

/* Form */
.contact-form__group {
  margin-bottom: 16px;
}

.contact-form__label {
  display: block;
  margin-bottom: 8px;
  font-size: var(--text-caption);
  font-weight: 600;
  color: #374151;
}

.contact-form__label .required {
  color: var(--error-500);
}

.contact-form__input,
.contact-form__textarea {
  width: 100%;
  background-color: var(--white);
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-lg);
  font-family: var(--font-family);
  font-size: var(--text-body-m);
  color: var(--slate-900);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-form__input {
  height: 52px;
  padding: 0 16px;
}

.contact-form__select {
  appearance: none;
  -webkit-appearance: none;
  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='%2394a3b8' 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 16px center;
  padding-right: 44px;
  cursor: pointer;
}

.contact-form__select:invalid,
.contact-form__select option[value=""] {
  color: var(--slate-400);
}

.contact-form__select option {
  color: var(--slate-900);
}

.contact-form__optional-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0 20px;
}

.contact-form__optional-line {
  flex: 1;
  height: 1px;
  background-color: var(--slate-200);
}

.contact-form__optional-text {
  font-size: var(--text-micro);
  color: var(--slate-400);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Messenger radio buttons */
.contact-form__messenger-radio-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 4px 0;
}

.contact-form__radio-label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--slate-600);
  user-select: none;
}

.contact-form__radio-label input[type="radio"] {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--primary-600);
  cursor: pointer;
}

.contact-form__radio-label svg {
  flex-shrink: 0;
  color: var(--slate-400);
  transition: color 0.2s ease;
}

.contact-form__radio-label:has(input:checked) {
  color: var(--slate-800);
}

.contact-form__radio-label:has(input:checked) svg {
  color: var(--slate-700);
}

.contact-form__radio-label[data-messenger="telegram"]:has(input:checked) svg {
  color: #0088cc;
}

.contact-form__radio-label[data-messenger="whatsapp"]:has(input:checked) svg {
  color: #25D366;
}

.contact-form__textarea {
  min-height: 120px;
  padding: 14px 16px;
  resize: vertical;
}

.contact-form__input::placeholder,
.contact-form__textarea::placeholder {
  color: var(--slate-400);
}

.contact-form__input:focus,
.contact-form__textarea:focus {
  border-color: var(--primary-600);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.contact-form__input.error,
.contact-form__textarea.error {
  border-color: var(--error-500);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}

.contact-form__error {
  display: none;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
  font-size: var(--text-micro);
  color: var(--error-500);
}

.contact-form__error.visible {
  display: flex;
}

.contact-form__error svg {
  flex-shrink: 0;
}

/* Checkbox */
.contact-form__checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
}

.contact-form__checkbox {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
  accent-color: var(--primary-600);
  cursor: pointer;
}

.contact-form__checkbox-label {
  font-size: var(--text-caption);
  color: var(--slate-500);
  line-height: 1.5;
}

.contact-form__checkbox-label a {
  color: var(--primary-600);
  text-decoration: underline;
}

/* Submit button */
.contact-form__submit {
  width: 100%;
  height: 52px;
  background-color: var(--primary-600);
  color: var(--white);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-body);
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color var(--transition-fast);
}

.contact-form__submit:hover {
  background-color: var(--primary-700);
}

.contact-form__submit:disabled {
  background-color: #93C5FD;
  cursor: wait;
}

.contact-form__submit .spin {
  animation: spin 1s linear infinite;
}

/* Micro text */
.contact-form__micro {
  text-align: center;
  font-size: var(--text-micro);
  color: var(--slate-400);
  margin-top: 12px;
  line-height: 1.5;
}

/* Form error banner */
.contact-form__send-error {
  display: none;
  margin-top: 12px;
  padding: 12px 16px;
  background-color: var(--error-100);
  border-radius: var(--radius-lg);
  font-size: var(--text-body-s);
  color: var(--error-600);
}

.contact-form__send-error.visible {
  display: block;
}

/* Honeypot */
.form__honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  pointer-events: none;
}

/* Success state */
.contact-form__success {
  display: none;
  background-color: var(--success-100);
  border-radius: var(--radius-3xl);
  padding: 48px 32px;
  text-align: center;
  animation: fade-in 0.4s ease;
}

.contact-form__success.visible {
  display: block;
}

.contact-form__success-icon {
  color: var(--success-600);
  margin-bottom: 16px;
  display: flex;
  justify-content: center;
}

.contact-form__success h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--success-900);
  margin-bottom: 8px;
}

.contact-form__success p {
  font-size: var(--text-body-m);
  color: var(--success-800);
  margin-bottom: 20px;
}

/* Tablet+ */
@media (min-width: 768px) {
  .contact {
    padding: 80px 0;
  }
}

@media (min-width: 1024px) {
  .contact {
    padding: 96px 0;
  }

  .contact__grid {
    display: grid;
    grid-template-columns: 45% 1fr;
    gap: 60px;
    align-items: start;
  }
}

/* ========== FOOTER ========== */
.footer {
  background-color: var(--bg-footer);
  padding: 32px 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.footer__brand-name {
  font-size: var(--text-body);
  font-weight: 700;
  color: var(--slate-50);
}

.footer__brand-copy {
  font-size: var(--text-caption);
  color: var(--slate-500);
  margin-top: 4px;
}

.footer__brand-tagline {
  font-size: var(--text-caption);
  color: var(--slate-500);
}

.footer__nav {
  display: none;
  align-items: center;
  gap: 8px;
}

.footer__nav a {
  font-size: var(--text-body-s);
  color: var(--slate-400);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__nav a:hover {
  color: var(--slate-50);
}

.footer__nav-sep {
  color: var(--slate-700);
  user-select: none;
}

.footer__social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.footer__social-link {
  color: var(--slate-500);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: 4px;
}

.footer__social-link:hover {
  color: var(--slate-50);
}

/* Desktop footer */
@media (min-width: 1024px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    align-items: center;
  }

  .footer__nav {
    display: flex;
  }

  .footer__brand {
    text-align: left;
  }
}

/* ========== UTILITIES ========== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

/* ========== PREFERS REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal--left,
  .reveal--right {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}