/* ============================================================
   AgriTech Solutions — Design System & Global Styles
   Сучасний B2B SaaS-стиль (NetHunt / HubSpot / Monday / Linear)
   Mobile-first: базові стилі — мобільні, далі media (min-width)
   Брейкпоинти: 360 / 480 / 768 / 1024 / 1440
   ============================================================ */

:root {
  --dark-primary: #0B0F1A;
  --dark-secondary: #131B2E;
  --accent-indigo: #4F46E5;
  --accent-cyan: #06B6D4;
  --bg-light: #F7F8FC;
  --white: #FFFFFF;
  --gray: #6B7280;
  --text: #10131C;

  --gradient: linear-gradient(135deg, var(--accent-indigo), var(--accent-cyan));
  --gradient-soft: linear-gradient(135deg, rgba(79,70,229,0.12), rgba(6,182,212,0.12));

  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;

  --radius-card: 20px;
  --radius-field: 14px;
  --shadow-card: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-card-hover: 0 20px 45px rgba(79, 70, 229, 0.18);
  --transition: 0.3s ease;
  --header-height: 84px;
  --header-height-scrolled: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font: inherit; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  opacity: 1;
  transition: opacity 0.7s ease;
}
body.is-loading { opacity: 0; }

h1, h2, h3 {
  font-family: var(--font-heading);
  letter-spacing: 0.2px;
  color: var(--dark-primary);
  line-height: 1.15;
  font-weight: 600;
}

h1 { font-size: clamp(36px, 5vw, 64px); }
h2 { font-size: clamp(28px, 3.5vw, 40px); }
h3 { font-size: clamp(18px, 2vw, 22px); margin-bottom: var(--space-1); }
p  { font-size: clamp(15px, 1.4vw, 18px); color: var(--text); line-height: 1.6; }

.container { width: min(1360px, 100% - 32px); margin-inline: auto; }
@media (min-width: 1024px) { .container { width: min(1360px, 100% - 64px); } }

section { padding-block: clamp(48px, 8vw, 96px); scroll-margin-top: var(--header-height); }

.section-title { text-align: center; margin-bottom: var(--space-4); }
.section-subtitle { text-align: center; color: var(--gray); max-width: 640px; margin: 0 auto var(--space-4); }

.text-gradient-animated {
  background: linear-gradient(90deg, var(--accent-indigo), var(--accent-cyan), var(--accent-indigo));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-move 6s linear infinite;
}
@keyframes gradient-move { to { background-position: 200% center; } }

.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0%; background: var(--gradient); z-index: 1000; transition: width 0.1s linear; }

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 15px 30px;
  border-radius: var(--radius-field);
  font-weight: 600;
  font-size: 16px;
  transition: transform var(--transition), box-shadow var(--transition), background-position var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn--primary { background: var(--gradient); background-size: 160% 160%; background-position: 0% 0%; color: var(--white); box-shadow: 0 8px 20px rgba(79, 70, 229, 0.25); }
.btn--primary:hover { transform: scale(1.03); background-position: 100% 100%; box-shadow: 0 12px 30px rgba(6, 182, 212, 0.35); }
.btn--secondary { background: transparent; color: var(--dark-primary); border: 1.5px solid var(--accent-indigo); }
.btn--secondary:hover { background: var(--gradient-soft); border-color: var(--accent-cyan); }
.btn--sm { padding: 10px 20px; font-size: 14px; display: none; }
.btn--block { width: 100%; }
@media (min-width: 1024px) { .btn--sm { display: inline-flex; } }
.btn:disabled { opacity: 0.7; cursor: not-allowed; transform: none !important; }
.btn__spinner { display: none; width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.4); border-top-color: var(--white); border-radius: 50%; animation: spin 0.7s linear infinite; }
.btn.is-loading .btn__spinner { display: inline-block; }
.btn.is-loading .btn__text { opacity: 0.6; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 300; background: transparent; transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition); }
.site-header.is-scrolled { background: rgba(247, 248, 252, 0.85); backdrop-filter: blur(14px); box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); gap: var(--space-2); transition: height var(--transition); }
.site-header.is-scrolled .header__inner { height: var(--header-height-scrolled); }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-heading); font-size: 19px; font-weight: 600; color: var(--dark-primary); }
.logo__mark { width: 30px; height: 30px; border-radius: 9px; background: var(--gradient); flex-shrink: 0; }
.logo__accent { color: var(--accent-indigo); }
.logo__img { height: 42px; width: auto; display: block; transition: height var(--transition); }
.site-header.is-scrolled .logo__img { height: 34px; }
.nav { display: none; }
.nav__list { display: flex; gap: var(--space-3); }
.nav__link { font-weight: 500; color: var(--text); position: relative; padding-block: 4px; }
.nav__link::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--gradient); transition: width var(--transition); }
.nav__link:hover::after { width: 100%; }
@media (min-width: 1024px) { .nav { display: block; } }
.burger { display: flex; flex-direction: column; gap: 5px; padding: 8px; }
.burger span { width: 22px; height: 2px; background: var(--dark-primary); transition: transform var(--transition), opacity var(--transition); }
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 1024px) { .burger { display: none; } }
@media (max-width: 1023.98px) {
  .nav.is-open { display: block; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); box-shadow: 0 8px 24px rgba(15,23,42,0.1); padding: var(--space-2); }
  .nav.is-open .nav__list { flex-direction: column; gap: var(--space-2); }
}

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding-top: clamp(48px, 8vw, 96px); padding-bottom: clamp(64px, 9vw, 112px); background: linear-gradient(160deg, var(--dark-primary) 0%, var(--dark-secondary) 100%); color: var(--white); }
.hero__blobs { position: absolute; inset: 0; overflow: hidden; z-index: 0; }
.blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: 0.45; will-change: transform; }
.blob--1 { width: 380px; height: 380px; background: var(--accent-indigo); top: -120px; left: -80px; animation: blob-float-1 20s ease-in-out infinite; }
.blob--2 { width: 320px; height: 320px; background: var(--accent-cyan); bottom: -100px; right: -60px; animation: blob-float-2 24s ease-in-out infinite; }
.blob--3 { width: 260px; height: 260px; background: #7C3AED; top: 30%; right: 15%; animation: blob-float-3 18s ease-in-out infinite; }
@keyframes blob-float-1 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(60px, 40px) scale(1.15); } }
@keyframes blob-float-2 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-50px, -30px) scale(1.1); } }
@keyframes blob-float-3 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-30px, 50px) scale(0.9); } }
.hero__grid-overlay { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px); background-size: 48px 48px; mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%); }
.hero__inner { position: relative; z-index: 1; display: grid; gap: var(--space-8); align-items: center; }
.hero__eyebrow { display: inline-block; color: var(--accent-cyan); font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; font-size: 13px; margin-bottom: var(--space-2); padding: 6px 14px; border: 1px solid rgba(6,182,212,0.4); border-radius: 999px; background: rgba(6,182,212,0.08); }
.hero__title { color: var(--white); margin-bottom: var(--space-2); }
.hero__subtitle { color: #B7BDD1; max-width: 560px; margin-bottom: var(--space-4); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.hero .btn--secondary { color: var(--white); border-color: rgba(255,255,255,0.4); }
.hero .btn--secondary:hover { border-color: var(--accent-cyan); background: rgba(6,182,212,0.12); }
.hero__visual { position: relative; min-height: 360px; }
.hero__lines { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero__line { stroke: var(--accent-cyan); stroke-width: 1.5; stroke-dasharray: 6 6; opacity: 0.5; animation: dash 6s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -120; } }
.hero__divider { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: 48px; z-index: 1; }
.hero__divider path { fill: var(--white); }

.glass-card { background: rgba(255, 255, 255, 0.08); backdrop-filter: blur(16px); border: 1px solid rgba(255, 255, 255, 0.18); border-radius: var(--radius-card); box-shadow: 0 20px 45px rgba(0,0,0,0.25); padding: var(--space-3); }
.glass-card--main { position: relative; z-index: 1; max-width: 420px; margin-inline: auto; }
.glass-card--float { position: absolute; display: flex; align-items: center; gap: var(--space-1); padding: var(--space-2); z-index: 2; animation: card-idle 5s ease-in-out infinite; }
.glass-card--notification { top: -8%; right: -6%; animation-delay: 0.3s; }
.glass-card--ai { bottom: -6%; left: -8%; animation-delay: 1s; }
@keyframes card-idle { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.glass-card__icon { width: 36px; height: 36px; border-radius: 10px; background: var(--gradient); display: flex; align-items: center; justify-content: center; color: var(--white); font-weight: 700; font-size: 13px; flex-shrink: 0; }
.glass-card__title { color: var(--white); font-size: 14px; font-weight: 600; }
.glass-card__subtitle { color: var(--accent-cyan); font-size: 13px; }

.mock-dashboard { position: relative; }
.mock-dashboard__header { display: flex; gap: 6px; margin-bottom: var(--space-2); }
.mock-dot { width: 9px; height: 9px; border-radius: 50%; }
.mock-dot--red { background: #F87171; }
.mock-dot--yellow { background: #FBBF24; }
.mock-dot--green { background: #34D399; }
.mock-dashboard__title { color: var(--white); font-size: 14px; font-weight: 600; margin-bottom: var(--space-2); }
.mock-chart { width: 100%; height: 90px; margin-bottom: var(--space-2); overflow: visible; }
.mock-chart polyline { fill: none; stroke: var(--accent-cyan); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 320; stroke-dashoffset: 320; animation: chart-draw 3s ease forwards infinite; }
@keyframes chart-draw { 0% { stroke-dashoffset: 320; } 60% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: 0; } }
.mock-chart__point { fill: var(--accent-cyan); opacity: 0; transform-origin: 240px 18px; animation: point-pop 3s ease forwards infinite; }
@keyframes point-pop { 0%, 55% { opacity: 0; transform: scale(0); } 70% { opacity: 1; transform: scale(1.6); } 100% { opacity: 1; transform: scale(1); } }
.mock-bars { display: flex; align-items: flex-end; gap: 6px; height: 60px; }
.mock-bars span { flex: 1; height: var(--h); border-radius: 4px 4px 0 0; background: var(--gradient); opacity: 0.85; transform-origin: bottom; animation: bar-pulse 2.4s ease-in-out infinite; animation-delay: calc(var(--d) * 0.12s); }
@keyframes bar-pulse { 0%, 100% { transform: scaleY(1); } 50% { transform: scaleY(1.12); } }
.mock-dashboard__tooltip { position: absolute; top: -14px; right: -10px; background: rgba(52, 211, 153, 0.16); border: 1px solid rgba(52, 211, 153, 0.4); color: #6EE7B7; font-size: 11px; font-weight: 600; padding: 6px 10px; border-radius: 999px; opacity: 0; transform: translateY(6px) scale(0.9); transition: opacity 0.35s ease, transform 0.35s ease; white-space: nowrap; }
.mock-dashboard__badge { margin-top: var(--space-2); background: rgba(79, 70, 229, 0.18); border: 1px solid rgba(79, 70, 229, 0.4); color: var(--white); font-size: 12px; font-weight: 600; padding: 8px 12px; border-radius: 10px; opacity: 0; max-height: 0; transform: translateY(6px); transition: opacity 0.4s ease 0.1s, transform 0.4s ease 0.1s, max-height 0.4s ease; overflow: hidden; }
.glass-card--main:hover .mock-dashboard__tooltip { opacity: 1; transform: translateY(0) scale(1); }
.glass-card--main:hover .mock-dashboard__badge { opacity: 1; transform: translateY(0); max-height: 60px; }

.tilt { transition: transform 0.15s ease-out; transform-style: preserve-3d; will-change: transform; }

@media (min-width: 1024px) { .hero__inner { grid-template-columns: 1.1fr 0.9fr; } }

/* ---------- Social proof + marquee ---------- */
.social-proof { padding-block: var(--space-4); background: var(--white); border-bottom: 1px solid #ECEDF3; }
.social-proof__label { text-align: center; color: var(--gray); font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: var(--space-3); }
.marquee { width: 100%; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent); mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent); }
.marquee__track { display: flex; gap: var(--space-4); width: max-content; animation: marquee 26s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee__item { padding: 10px 22px; border-radius: 999px; background: var(--bg-light); color: var(--gray); font-weight: 600; font-size: 14px; white-space: nowrap; }

/* ---------- Card grids (advantages / solutions / audience) ---------- */
.card-grid { display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card-grid--solutions { grid-template-columns: 1fr; }
@media (min-width: 480px) { .card-grid--solutions { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .card-grid--solutions { grid-template-columns: repeat(5, 1fr); } }
.card-grid--audience { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.card-grid--projects { grid-template-columns: 1fr; }
@media (min-width: 768px) { .card-grid--projects { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .card-grid--projects { grid-template-columns: repeat(4, 1fr); } }

.card { background: var(--white); border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: var(--space-4) var(--space-3); text-align: center; position: relative; overflow: hidden; transition: transform var(--transition), box-shadow var(--transition); }
.card::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--gradient); transform: scaleX(0); transform-origin: left; transition: transform var(--transition); }
.card:hover { transform: translateY(-6px) scale(1.02); box-shadow: var(--shadow-card-hover); }
.card:hover::after { transform: scaleX(1); }
.card:hover .card__icon { transform: scale(1.1) rotate(-4deg); }
.card__icon { display: block; font-size: 36px; margin-bottom: var(--space-2); transition: transform var(--transition); }
.card p { color: var(--gray); font-size: 15px; }
.card h3 { margin-bottom: var(--space-1); }

.card--highlight { border: 1.5px solid rgba(79, 70, 229, 0.35); background: linear-gradient(180deg, rgba(79,70,229,0.06), rgba(255,255,255,1) 55%); }
.card__ribbon {
  position: absolute;
  top: 14px;
  right: -32px;
  transform: rotate(35deg);
  background: var(--gradient);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 5px 38px;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}

/* ---------- Zig-zag "Що ми робимо" ---------- */
.zigzag { display: grid; gap: var(--space-4); align-items: center; margin-bottom: var(--space-8); position: relative; }
.zigzag:last-child { margin-bottom: 0; }
.zigzag__tag { display: inline-block; font-family: var(--font-heading); font-weight: 600; color: var(--accent-indigo); text-transform: uppercase; letter-spacing: 1px; font-size: 13px; margin-bottom: var(--space-1); }
.zigzag__content { position: relative; z-index: 1; }
.zigzag__content h3 { margin-top: 0; }
.zigzag__content p { color: var(--gray); margin-top: var(--space-2); }
.zigzag__list { margin-top: var(--space-2); display: flex; flex-direction: column; gap: 6px; }
.zigzag__list li { position: relative; padding-left: 22px; color: var(--gray); font-size: 15px; }
.zigzag__list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent-indigo); font-weight: 700; }

/* Outer container: purely a positioning canvas — NOT clipped, so floating
   widgets can overhang the frame edge without being cut off. */
.zigzag__media { position: relative; aspect-ratio: 4 / 3; }
.zigzag__watermark {
  position: absolute;
  top: -0.35em;
  left: -0.05em;
  font-family: var(--font-heading);
  font-size: clamp(90px, 12vw, 140px);
  font-weight: 700;
  color: var(--accent-indigo);
  opacity: 0.12;
  line-height: 1;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}
.zigzag__glow {
  position: absolute;
  inset: -20px;
  z-index: 0;
  background: radial-gradient(circle at 30% 30%, rgba(79, 70, 229, 0.35), transparent 65%);
  filter: blur(30px);
  border-radius: 50%;
  opacity: 0.7;
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.zigzag__glow--alt { background: radial-gradient(circle at 70% 40%, rgba(6, 182, 212, 0.35), transparent 65%); }
.zigzag__media:hover .zigzag__glow { opacity: 1; transform: scale(1.08); }

@media (min-width: 1024px) {
  .zigzag { grid-template-columns: 1fr 1fr; }
  .zigzag--reverse .zigzag__content { order: 2; }
  .zigzag--reverse .zigzag__media { order: 1; }
}

/* ---------- Media frame: the clipped, rounded, shadowed photo box ----------
   Kept separate from the outer positioning container so overlapping
   floating widgets are never cut off by overflow:hidden. */
.media-frame {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255, 255, 255, 0.6);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; transition: transform 0.6s ease, filter 0.6s ease; }
.zigzag__media--interactive:hover .media-frame,
.about__visual:hover .media-frame,
.project-card:hover .media-frame {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}
.zigzag__media--interactive:hover .media-frame img,
.about__visual:hover .media-frame img,
.project-card:hover .media-frame img {
  transform: scale(1.06);
}

/* ---------- Floating info widgets (sit on TOP of the frame, never clipped) ---------- */
.media-widget {
  position: absolute;
  z-index: 2;
  background: rgba(11, 15, 26, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: 0 14px 34px rgba(0,0,0,0.35);
  min-width: 150px;
  animation: card-idle 5s ease-in-out infinite;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.media-widget:hover { transform: translateY(-4px) scale(1.05); box-shadow: 0 20px 44px rgba(79,70,229,0.4); z-index: 4; }
.media-widget--tr { top: -14px; right: -14px; }
.media-widget--tl { top: -14px; left: -14px; }
.media-widget--br { bottom: -14px; right: -14px; }
.media-widget--bl { bottom: -14px; left: -14px; }
.media-widget__header { display: flex; align-items: center; gap: 5px; margin-bottom: 8px; }
.media-widget__avatars { display: flex; margin-bottom: 6px; }
.media-widget--sm { min-width: 108px; padding: 10px 12px; }
.media-widget__stat { color: var(--white); font-family: var(--font-heading); font-size: 20px; font-weight: 700; margin: 0; }
.media-widget__label { color: #9CA3C4; font-size: 11px; margin: 2px 0 0; }

/* ---------- Small reusable UI pieces used inside media widgets ---------- */
.mock-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.mock-row__name { color: var(--white); font-size: 12px; font-weight: 500; }
.mock-pill { font-size: 10px; font-weight: 600; padding: 3px 9px; border-radius: 999px; white-space: nowrap; }
.mock-pill--active { background: rgba(52, 211, 153, 0.16); color: #6EE7B7; }
.mock-pill--pending { background: rgba(251, 191, 36, 0.16); color: #FBBF24; }
.mock-pill--done { background: rgba(79, 70, 229, 0.2); color: #A5B4FC; }
.mock-progress { margin-top: 8px; height: 5px; border-radius: 999px; background: rgba(255,255,255,0.12); overflow: hidden; }
.mock-progress__bar { width: 78%; height: 100%; background: var(--gradient); border-radius: 999px; }
.mock-progress__label { margin-top: 6px; font-size: 11px; color: #9CA3C4; }
.mock-phone__title { color: var(--white); font-size: 12px; font-weight: 700; margin: 0 0 4px; }
.mock-phone__order { color: #9CA3C4; font-size: 11px; margin: 0 0 2px; }
.mock-phone__status { color: #6EE7B7; font-size: 11px; margin: 0; }
.mock-chart--sm { display: block; width: 100%; height: 46px; margin-bottom: 6px; }
.mock-chart--sm polyline { fill: none; stroke: var(--accent-cyan); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.mock-panel__stat { color: var(--white); font-size: 12px; margin: 0; }
.mock-panel__stat strong { color: #6EE7B7; }
.mock-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--gradient);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--dark-primary);
  margin-left: -10px;
}
.mock-avatar:first-child { margin-left: 0; }
.mock-avatar--more { background: rgba(255,255,255,0.16); }

/* ---------- About ---------- */
.about__inner { display: grid; gap: var(--space-4); }
.about__content .section-title { text-align: left; margin-bottom: var(--space-2); }
.about__content p { color: var(--gray); margin-bottom: var(--space-3); }
.about__stats { display: flex; gap: var(--space-4); margin-top: var(--space-4); flex-wrap: wrap; }
.about__stat { display: flex; flex-direction: column; }
.about__stat .stat__number { font-size: 28px; }
.stat__label { color: var(--gray); font-size: 14px; margin-top: 4px; }
.about__visual { position: relative; aspect-ratio: 4/3; }
@media (min-width: 1024px) { .about__inner { grid-template-columns: 1fr 1fr; align-items: center; } }

/* ---------- Timeline ---------- */
.timeline-section { background: var(--white); }
.timeline { position: relative; }
.timeline__svg { display: none; }
.timeline__line { stroke: var(--accent-indigo); stroke-width: 3; fill: none; }
.timeline__list { display: flex; flex-direction: column; gap: var(--space-4); position: relative; z-index: 1; }
.timeline__item { display: flex; gap: var(--space-3); align-items: flex-start; }
.timeline__marker { flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 50%; background: var(--gradient); color: var(--white); font-family: var(--font-heading); font-size: 18px; font-weight: 700; box-shadow: 0 6px 16px rgba(79,70,229,0.3); }
.timeline__body h3 { margin-top: 4px; }
.timeline__body p { font-size: 15px; color: var(--gray); }
@media (min-width: 768px) {
  .timeline__svg { display: block; position: absolute; top: 21px; left: 21px; width: 2px; height: calc(100% - 42px); }
  .timeline__line { stroke-dasharray: 1000; stroke-dashoffset: 1000; transition: stroke-dashoffset 1.6s ease; }
  .timeline__line.is-drawn { stroke-dashoffset: 0; }
}

/* ---------- Stats ---------- */
.stats { background: linear-gradient(160deg, var(--dark-primary) 0%, var(--dark-secondary) 100%); }
.stats__grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); text-align: center; }
.stat__number { display: block; font-family: var(--font-heading); font-size: clamp(32px, 5vw, 52px); font-weight: 700; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats__item p { color: #B7BDD1; font-size: 14px; margin-top: var(--space-1); }

/* ---------- Projects ---------- */
.project-card { background: var(--white); border-radius: var(--radius-card); box-shadow: var(--shadow-card); transition: transform var(--transition), box-shadow var(--transition); }
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); }
.project-card__media { position: relative; aspect-ratio: 3/2; }
.project-card__body { padding: var(--space-3); background: var(--white); border-radius: 0 0 var(--radius-card) var(--radius-card); position: relative; z-index: 1; }
.project-card__body h3 { margin-top: 0; }
.project-card__tag { display: inline-block; background: var(--gradient-soft); color: var(--accent-indigo); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; padding: 4px 10px; border-radius: 999px; margin-bottom: var(--space-2); }
.project-card p { color: var(--gray); font-size: 14px; }
.project-card .media-frame { border-radius: var(--radius-card) var(--radius-card) 0 0; border: none; }

/* ---------- Технології та інтеграції: проста хмара чипів ---------- */
.tech-orb-section { background: var(--dark-primary); padding-block: clamp(40px, 6vw, 64px); position: relative; overflow: hidden; }
.tech-orb-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
.tech-orb-section .container { position: relative; z-index: 1; }
.tech-orb-section .section-title { color: var(--white); margin-bottom: var(--space-3); }

.tech-cloud { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 16px; max-width: 920px; margin: 0 auto; }
.tech-chip {
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1.5px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
  font-weight: 600;
  font-size: 13px;
  color: #C7CBDE;
  white-space: nowrap;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  cursor: default;
}
.tech-chip:hover { transform: translateY(-4px); background: rgba(79, 70, 229, 0.35); border-color: var(--accent-cyan); box-shadow: 0 10px 24px rgba(6, 182, 212, 0.35); color: var(--white); }
@media (max-width: 767.98px) { .tech-chip { padding: 8px 14px; font-size: 12px; } }

/* ---------- FAQ Accordion ---------- */
.accordion__item { background: var(--white); border-radius: var(--radius-field); box-shadow: var(--shadow-card); margin-bottom: var(--space-2); overflow: hidden; }
.accordion__trigger { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: var(--space-2); padding: var(--space-3); text-align: left; font-weight: 600; color: var(--dark-primary); }
.accordion__icon { color: var(--accent-indigo); font-size: 20px; transition: transform var(--transition); flex-shrink: 0; }
.accordion__trigger[aria-expanded="true"] .accordion__icon { transform: rotate(45deg); }
.accordion__panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.35s ease; }
.accordion__panel > p { overflow: hidden; padding-inline: var(--space-3); color: var(--gray); }
.accordion__item.is-open .accordion__panel { grid-template-rows: 1fr; }
.accordion__item.is-open .accordion__panel > p { padding-bottom: var(--space-3); }

/* ---------- CTA + Contact form ---------- */
.cta { position: relative; overflow: hidden; background: linear-gradient(160deg, var(--dark-primary) 0%, var(--dark-secondary) 100%); color: var(--white); }
.cta__inner { position: relative; z-index: 1; display: grid; gap: var(--space-6); }
.cta__content h2 { color: var(--white); margin-bottom: var(--space-2); }
.cta__content p { color: #B7BDD1; max-width: 480px; }
@media (min-width: 1024px) { .cta__inner { grid-template-columns: 1fr 1fr; align-items: start; } }

.contact-form { display: flex; flex-direction: column; gap: var(--space-3); }
.contact-form__honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-field { position: relative; display: flex; flex-direction: column; }
.form-field input, .form-field textarea {
  border: 1.5px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-field);
  padding: 22px 16px 8px;
  background: rgba(255,255,255,0.06);
  color: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.form-field textarea { padding-top: 24px; resize: vertical; min-height: 80px; }
.form-field input:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.18);
  background: rgba(255,255,255,0.1);
}
.form-field label {
  position: absolute;
  left: 16px;
  top: 18px;
  color: #9CA3C4;
  font-size: 15px;
  pointer-events: none;
  transition: transform var(--transition), font-size var(--transition), color var(--transition), top var(--transition);
}
.form-field input:focus + label,
.form-field input:not(:placeholder-shown) + label,
.form-field textarea:focus + label,
.form-field textarea:not(:placeholder-shown) + label {
  top: 8px;
  font-size: 11px;
  color: var(--accent-cyan);
}
.form-field.is-invalid input, .form-field.is-invalid textarea { border-color: #F87171; }
.form-field__error { color: #FCA5A5; font-size: 12px; min-height: 16px; margin-top: 4px; opacity: 0; transform: translateY(-4px); transition: opacity var(--transition), transform var(--transition); }
.form-field__error:not(:empty) { opacity: 1; transform: translateY(0); }
.contact-form__status { text-align: center; font-size: 14px; min-height: 20px; opacity: 0; transform: scale(0.95); transition: opacity var(--transition), transform var(--transition); }
.contact-form__status:not(:empty) { opacity: 1; transform: scale(1); }
.contact-form__status.success { color: #6EE7B7; }
.contact-form__status.error { color: #FCA5A5; }

/* ---------- Footer ---------- */
.footer { background: var(--dark-primary); color: #9CA3C4; padding-block: var(--space-6) var(--space-3); }
.footer .logo { color: var(--white); }
.footer__inner { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); padding-bottom: var(--space-4); }
.footer__brand p { margin-top: var(--space-2); font-size: 14px; max-width: 280px; }
.footer__col { grid-column: auto; }
.footer h4 { color: var(--white); font-size: 16px; margin-bottom: var(--space-2); font-family: var(--font-heading); }
.footer__col ul li { margin-bottom: var(--space-1); font-size: 14px; }
.footer__col a:hover { color: var(--accent-cyan); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: var(--space-3); text-align: center; font-size: 14px; }

/* ---------- Reveal Animations (IntersectionObserver) ---------- */
.reveal { opacity: 0; }
.reveal[data-reveal="fade-up"] { transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal[data-reveal="scale-in"] { transform: scale(0.9); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: none; filter: none; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; filter: none; }
  body.is-loading { opacity: 1; }
}

/* ---------- Small phones ---------- */
@media (max-width: 359.98px) {
  .btn { padding: 12px 20px; font-size: 14px; }
}

/* ---------- Large screens fine-tuning ---------- */
@media (min-width: 1440px) {
  .container { width: min(1400px, 100% - 80px); }
}