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

:root {
    --color-bg-deep:      #061529;
    --color-bg-dark:      #0d1f3c;
    --color-bg-mid:       #1a3a6b;
    --color-bg-light:     #f0f4f9;
    --color-bg-white:     #ffffff;
    --color-accent:       #1a3a6b;
    --color-accent-2:     #4a7ab5;
    --color-accent-light: #eff6ff;
    --color-white:        #ffffff;
    --color-dark-text:    #0f172a;
    --color-mid-text:     #334155;
    --color-gray:         #64748b;
    --color-border:       #e2e8f0;
    --color-border-dark:  rgba(59, 130, 246, 0.2);
    --font-main:          'Montserrat', sans-serif;
    --container:          1200px;
    --radius:             12px;
    --shadow:             0 4px 24px rgba(0,0,0,0.08);
    --shadow-blue:        0 8px 32px rgba(26, 86, 219, 0.15);
}

html {
    scroll-behavior: smooth;
    background: transparent;
}

body {
    font-family: var(--font-main);
    background: transparent;
    color: var(--color-dark-text);
    line-height: 1.6;
    font-size: 16px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

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

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.section-title {
    text-align: center;
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    margin-bottom: 32px;
    position: relative;
    padding-bottom: 20px;
    text-transform: uppercase;
}

.section-title--dark { color: var(--color-white); }
.section-title--light { color: var(--color-dark-text); }

.section-title::after {
    content: '';
    display: block;
    width: 100%;
    max-width: 600px;
    height: 3px;
    background: linear-gradient(90deg, #1a3a6b, #4a7ab5, transparent);
    margin: 12px auto 0;
    border-radius: 0;
}

/* ===========================
   HEADER
=========================== */
body > header,
#masthead,
.site-header,
.header-wrapper,
.header-inner {
  background: transparent !important;
  box-shadow: none !important;
  border: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

.nav-frosted {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 1280px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 32px !important;
  border-radius: 50px;
  background: rgb(169, 193, 222) !important;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(168, 196, 224, 0.18);
  box-shadow: 0 4px 32px rgba(6, 21, 41, 0.30);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}

.nav-logo img {
  height: 36px;
  width: auto;
}

.nav-tagline {
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-menu-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-menu-wrapper ul,
.nav-frosted .nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu-wrapper ul li a,
.nav-frosted .nav-menu a {
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
  text-decoration: none;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.nav-menu-wrapper ul li a:hover,
.nav-frosted .nav-menu a:hover {
  color: #0f2244;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.nav-actions .btn-simulator,
.nav-actions .nav-cta {
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 9px 22px;
  border-radius: 50px;
  border: 2px solid rgba(168, 196, 224, 0.45);
  background: transparent;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.nav-actions .btn-simulator:hover,
.nav-actions .nav-cta:hover {
  background: rgba(74, 122, 181, 0.40);
  border-color: #4a7ab5;
}

.nav-lang {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.nav-lang a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 50px;
  border: 1.5px solid transparent;
  transition: all 0.2s ease;
}

.nav-lang a:hover,
.nav-lang a.active {
  color: #ffffff;
  border-color: rgba(168, 196, 224, 0.45);
  background: rgba(74, 122, 181, 0.25);
}

/* Nav is fixed and floats over hero — no padding needed */

/* ===========================
   HERO
=========================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 640px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 2s ease;
}

.hero-slide.active { opacity: 1; }

.hero-slide::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        rgba(6,21,41,0.82) 0%,
        rgba(6,21,41,0.55) 55%,
        rgba(6,21,41,0.18) 100%
    );
}

/* ── Main content layer ── */
.hero-content {
    position: absolute;
    inset: 0;
    z-index: 2;
    width: 100%;
    max-width: 1280px;
    left: 50%;
    transform: translateX(-50%);
}

.hero-slide-content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 100px 40px 180px;
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 1.4s ease, transform 1.4s ease;
    pointer-events: none;
}

.hero-slide-content.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    transition: opacity 1.4s ease 0.3s, transform 1.4s ease 0.3s;
}

.hero-slide-content:not(.active) .hero-right,
.hero-slide-content:not(.active) .hero-presentation-btn {
    pointer-events: none;
}

.hero-left {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
    max-width: 700px;
}

.hero-right {
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    flex: 1;
    min-width: 0;
    padding-right: 56px;
    padding-bottom: 88px;
    position: relative;
    z-index: 4;
}

/* ── Badge ── */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(13, 31, 60, 0.70);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(74, 122, 181, 0.50);
    border-radius: 50px;
    padding: 8px 20px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: #a8c4e0;
    text-transform: uppercase;
}

/* ── Headline ── */
.hero-left h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1.8rem, 3.8vw, 2.8rem);
    font-weight: 900;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: #ffffff;
    text-shadow: 0 2px 32px rgba(0,0,0,0.6);
    margin: 0;
}

/* ── Product list ── */
.hero-products {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: rgba(6, 21, 41, 0.60);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(74, 122, 181, 0.28);
    border-radius: 16px;
    padding: 20px 28px;
}

.hero-products li {
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    color: rgba(255,255,255,0.90);
    padding-left: 0;
    position: relative;
    line-height: 1.55;
}

.hero-products li::before {
    display: none;
}

.hero-presentation-btn {
    position: relative;
    z-index: 5;
    width: 100%;
    max-width: 308px;
    min-height: 103px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 18px 16px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    color: #ffffff;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 0.02em;
    line-height: 1;
    text-transform: uppercase;
    text-align: center;
    box-shadow: 0 4px 32px rgba(6, 21, 41, 0.22);
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    margin-left: auto;
}

.hero-presentation-btn:hover {
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.42);
    transform: translateY(-1px);
}

.hero-presentation-btn svg {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

/* ── Stats bar — fixed at bottom of hero ── */
.hero-stats-bar {
    position: absolute;
    bottom: 56px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 80px);
    max-width: 1280px;
    display: flex;
    gap: 16px;
    z-index: 3;
}

.hero-stat-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 18px 16px;
    background: rgba(13, 31, 60, 0.65);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: 24px;
    border: 1px solid rgba(168, 196, 224, 0.18);
    box-shadow: 0 4px 32px rgba(6, 21, 41, 0.30);
    transition: background 0.2s;
}

.hero-stat-card:hover {
    background: rgba(26, 58, 107, 0.75);
}

.hero-stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(135deg, #ffffff 0%, #a8c4e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.01em;
}

.hero-stat-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    color: rgba(168, 196, 224, 0.80);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-top: 6px;
    text-align: center;
}

/* ── Slider dots ── */
.hero-slider-dots {
    position: absolute;
    bottom: 22px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    gap: 8px;
    align-items: center;
}

.dot {
    appearance: none;
    -webkit-appearance: none;
    position: relative;
    width: 22px;
    height: 22px;
    border-radius: 999px;
    background-color: transparent;
    background: transparent;
    border: 2px solid rgba(168, 196, 224, 0.6);
    cursor: pointer;
    transition: width 0.5s ease-in-out, border-color 0.5s ease-in-out;
    padding: 0;
    flex-shrink: 0;
    outline: none;
    box-shadow: none;
    overflow: hidden;
}

.dot::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(90deg, #1e488c 0%, #4a7ab5 60%, #7aabd4 100%);
    opacity: 0;
    transition: opacity 0.15s ease-in-out;
}

.dot.active {
    width: 120px;
}

.dot.filled::before {
    opacity: 1;
}

.dot.filled {
    border-color: transparent;
}

/* ===========================
   SOLUTIONS
=========================== */
.solutions {
    padding: 64px 0;
    background: var(--color-bg-light);
}

.solutions .section-title--light { color: var(--color-dark-text); }

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

/* ── Card ── */
.sol-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 28px rgba(26, 58, 107, 0.10);
    transition: transform 0.3s, box-shadow 0.3s;
}

.sol-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 48px rgba(26, 58, 107, 0.18);
}

/* ── Image ── */
.sol-card__img {
    width: 100%;
    height: 300px;
    overflow: hidden;
    flex-shrink: 0;
}

.sol-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.sol-card:hover .sol-card__img img { transform: scale(1.04); }

.sol-card__img-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-mid) 0%, var(--color-bg-deep) 100%);
}

/* ── Body ── */
.sol-card__body {
    padding: 28px 32px 36px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

/* Title — no background, dark, large */
.sol-card__title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--color-dark-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.3;
    margin: 0;
}

/* Subtitle — blue gradient pill */
.sol-card__badge {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    padding: 10px 22px;
    border-radius: 50px;
    background: linear-gradient(135deg, #1a3a6b 0%, #4a7ab5 60%, #7aabd4 100%);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .sol-card__badge {
        white-space: normal;
        align-self: stretch;
        text-align: center;
        justify-content: center;
    }
}

/* Points — blue circle bullets */
.sol-card__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sol-card__list li {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-mid-text);
    padding-left: 24px;
    position: relative;
    line-height: 1.55;
}

.sol-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1a3a6b 0%, #4a7ab5 100%);
    flex-shrink: 0;
}

/* ===========================
   PIPELINE
=========================== */
.pipeline {
    padding: 64px 0;
    background: #eef2f8;
    position: relative;
}

.pipeline .section-title--dark { color: #0f2244; }

.pipeline-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    text-align: center;
}

.pipeline-subtitle {
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    color: #4a6080;
    line-height: 1.75;
    max-width: 420px;
    text-align: left;
    margin: 0;
}

/* Legend pills (shared by side panel) */
.pipeline-legend__item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 20px;
    border-radius: 50px;
    border: 1.5px solid rgba(30, 72, 140, 0.28);
    background: rgba(74, 122, 181, 0.07);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    color: #1a3a6b;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    white-space: nowrap;
}

.pipeline-legend__dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Wheel + legend side panel */
.pipeline-header { margin-bottom: 24px; }

.pipeline-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(24px, 3vw, 52px);
}

.pipeline-wheel-wrapper {
    flex: 0 1 min(64vw, 760px);
    min-width: 0;
}

.pipeline-side-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    flex-shrink: 0;
    width: min(100%, 500px);
    align-self: center;
    transform: translateY(28px);
}

.pipeline-legend-panel {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pipeline-wheel__svg {
    width: 100%;
    height: auto;
    display: block;
    max-width: 760px;
    margin: 0 auto;
    filter: drop-shadow(0 4px 28px rgba(20, 60, 130, 0.18));
}

.pipeline-step-icon {
    transform-box: fill-box;
    transform-origin: center;
}

/* Legend dot colours */
.pipeline-legend__dot--sim  { background: #6a9f4d; }
.pipeline-legend__dot--cmd  { background: #b89a4a; }
.pipeline-legend__dot--auto { background: #b35f58; }

@media (max-width: 900px) {
    .pipeline-content { flex-direction: column; gap: 20px; }
    .pipeline-wheel-wrapper { flex-basis: auto; width: min(100%, 720px); }
    .pipeline-side-panel { width: 100%; gap: 18px; transform: none; }
    .pipeline-subtitle { max-width: 100%; text-align: center; }
    .pipeline-legend-panel { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 8px; }
    .pipeline-legend__item { white-space: normal; }
}

@media (max-width: 640px) {
    .pipeline { padding: 48px 0; }
    .pipeline-subtitle { font-size: 0.88rem; line-height: 1.65; }
    .pipeline-step-icon { transform: scale(0.82); }
    .pipeline-legend__item { font-size: 0.6rem; padding: 6px 12px; gap: 7px; }
    .pipeline-legend__dot { width: 11px; height: 11px; }
}

/* ===========================
   TRUST
=========================== */
.trust {
    padding: 64px 0;
    background: var(--color-bg-dark);
    position: relative;
}

.trust::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent-2), transparent);
}

.trust .section-title--dark { color: var(--color-white); }

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

/* ── Card ── */
.trust-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(168, 196, 224, 0.14);
    border-radius: 20px;
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s, background 0.3s;
}

.trust-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, #1a3a6b, #4a7ab5, #a8c4e0);
    border-radius: 20px 20px 0 0;
}

.trust-card:hover {
    border-color: rgba(74, 122, 181, 0.40);
    background: rgba(74, 122, 181, 0.08);
}

/* ── Stat: big number + unit ── */
.trust-card__stat {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.trust-card__number {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(4rem, 6vw, 6rem);
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(135deg, #ffffff 0%, #a8c4e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.trust-card__unit {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: rgba(168, 196, 224, 0.70);
}

/* ── Pill with circle-button ── */
.trust-card__pill {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: linear-gradient(135deg, rgba(255,255,255,0.80) 0%, rgba(168,196,224,0.70) 100%);
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 50px;
    padding: 10px 10px 10px 18px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.trust-card__pill-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    color: #0d1f3c;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1.3;
}

.trust-card__pill-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3a6fa8 0%, #1e488c 100%);
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(30, 72, 140, 0.40);
}

/* ── List — large blue bullets with dividers ── */
.trust-card__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    flex: 1;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(168, 196, 224, 0.12);
    border-radius: 16px;
    overflow: hidden;
}

.trust-card__list li {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.88rem;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    line-height: 1.4;
    border-bottom: 1px solid rgba(168, 196, 224, 0.10);
    position: relative;
}

.trust-card__list li:last-child {
    border-bottom: none;
}

.trust-card__list li::before {
    content: '';
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffffff 0%, #a8c4e0 100%);
    box-shadow: 0 0 8px rgba(74, 122, 181, 0.35);
}

/* ===========================
   EXPERIENCE
=========================== */
.experience {
    padding: 64px 0;
    background: #eef2f8;
}

.experience .section-title--light { color: var(--color-dark-text); }

.experience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

/* Card styles inherited from .sol-card */

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

.about .section-title--light { color: var(--color-dark-text); }

/* ── 70/30 grid layout ── */
.about-layout {
    display: grid;
    grid-template-columns: 55fr 45fr;
    grid-template-rows: auto auto;
    gap: 20px;
    align-items: stretch;
}

.about-block--1 { grid-column: 1; grid-row: 1; }
.about-block--2 { grid-column: 1; grid-row: 2; }
.about-block--3 { grid-column: 2; grid-row: 1 / 3; }

/* ── Base block ── */
.about-block {
    border-radius: 20px;
    padding: 40px 44px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Block 1 — light blue */
.about-block--1 {
    background: linear-gradient(135deg, #f0f6ff 0%, #dbeafe 100%);
    border: 1px solid rgba(74, 122, 181, 0.20);
}

.about-block--1 .about-block__heading { color: #0f2244; }
.about-block--1 p { color: #334155; }

/* Block 2 — medium blue */
.about-block--2 {
    background: linear-gradient(135deg, #2d5fa0 0%, #4a7ab5 60%, #3a6fa8 100%);
    border: 1px solid rgba(168, 196, 224, 0.20);
}

.about-block--2 p,
.about-block--2 .about-block__lead { color: rgba(255,255,255,0.92); }
.about-block--2 strong { color: #ffffff; }

/* Block 3 — dark navy */
.about-block--3 {
    background: linear-gradient(160deg, #0f2244 0%, #061529 60%, #0d1f3c 100%);
    border: 1px solid rgba(168, 196, 224, 0.12);
}

.about-block--3 .about-block__heading { color: #ffffff; }
.about-block--3 p { color: rgba(255,255,255,0.80); }
.about-block--3 .about-block__sublabel { color: rgba(168, 196, 224, 0.80); }

.about-block__heading {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1.3;
    margin: 0;
}

.about-block p {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.97rem;
    line-height: 1.75;
    margin: 0;
}

.about-block__lead {
    font-size: 1.02rem !important;
    line-height: 1.75 !important;
}

.about-block__lead strong {
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.about-block__sublabel {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin: 0;
}

/* ── List — dark block ── */
.about-block__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.about-block__list li {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.92rem;
    color: rgba(255,255,255,0.80);
    padding-left: 22px;
    position: relative;
    line-height: 1.55;
}

.about-block__list li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: #a8c4e0;
    font-weight: 700;
}

/* ── Email link ── */
.about-block__logo-img {
    width: 120px;
    height: auto;
    margin-top: 24px;
    margin-bottom: 4px;
    filter: brightness(0) invert(1);
    opacity: 0.85;
}

.about-block__email {
    display: inline-flex;
    align-items: center;
    margin-top: 8px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: #a8c4e0;
    text-decoration: none;
    transition: color 0.2s;
}

.about-block__email:hover { color: #ffffff; }

@media (max-width: 900px) {
    .about-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    .about-block--1,
    .about-block--2,
    .about-block--3 { grid-column: 1; grid-row: auto; }
}

/* ===========================
   ADVANTAGES
=========================== */
.advantages {
    padding: 64px 0;
    background: var(--color-bg-dark);
    position: relative;
}

.advantages::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #4a7ab5, transparent);
}

.advantages .section-title--dark { color: #ffffff; }

/* 4-column grid */
.adv-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* Base card */
.adv-card {
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    border: 1px solid transparent;
    transition: transform 0.25s, box-shadow 0.25s;
}

.adv-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(6, 21, 41, 0.35);
}

/* Four colour variants */
.adv-card--a {
    background: linear-gradient(135deg, #0f2244 0%, #1a3a6b 100%);
    border-color: rgba(74, 122, 181, 0.22);
}
.adv-card--b {
    background: linear-gradient(135deg, #1a3a6b 0%, #2d5fa0 100%);
    border-color: rgba(74, 122, 181, 0.28);
}
.adv-card--c {
    background: linear-gradient(135deg, #2d5fa0 0%, #4a7ab5 100%);
    border-color: rgba(168, 196, 224, 0.25);
}
.adv-card--d {
    background: linear-gradient(135deg, #4a7ab5 0%, #3a6fa8 100%);
    border-color: rgba(168, 196, 224, 0.30);
}

/* Header row: icon box + title */
.adv-card__header {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* Icon in bordered square */
.adv-card__icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border: 1.5px solid rgba(255, 255, 255, 0.30);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.90);
    background: rgba(255, 255, 255, 0.06);
}

.adv-card__icon svg {
    width: 26px;
    height: 26px;
}

.adv-card__title {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin: 0;
}

.adv-card__desc {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.82rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 1024px) {
    .adv-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
    .adv-grid { grid-template-columns: 1fr; }
}

/* ===========================
   FOOTER
=========================== */
.site-footer {
    background: var(--color-bg-dark);
    border-top: 1px solid var(--color-border-dark);
    padding: 64px 0 32px;
}

.footer-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 48px;
    align-items: flex-start;
}

.footer-logo img,
.footer-logo a img {
    height: 36px;
    width: auto;
    max-width: none;
    display: block;
    align-self: flex-start;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
    max-width: 280px;
    line-height: 1.5;
}

.footer-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 48px;
}

.footer-col h4 {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent-2);
    margin-bottom: 16px;
}

.footer-nav-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav-list li a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    transition: color 0.2s;
}

.footer-nav-list li a:hover { color: var(--color-white); }

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

.footer-contacts a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    transition: color 0.2s;
}

.footer-contacts a:hover { color: var(--color-accent-2); }

.footer-socials { display: flex; gap: 12px; margin-top: 8px; }

.footer-bottom {
    border-top: 1px solid var(--color-border-dark);
    padding-top: 24px;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}

/* ===========================
   SCROLL TO TOP DRONE
=========================== */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 64px;
    height: 64px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, filter 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    animation: drone-hover 2.5s ease-in-out infinite;
}

.scroll-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.scroll-top svg { width: 64px; height: 64px; }

.scroll-top:hover {
    filter: drop-shadow(0 0 10px rgba(61, 157, 232, 0.8)) drop-shadow(0 0 20px rgba(125, 212, 248, 0.4));
}

@keyframes drone-hover {
    0%   { bottom: 32px; }
    50%  { bottom: 42px; }
    100% { bottom: 32px; }
}

@keyframes prop-cw {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes prop-ccw {
    from { transform: rotate(0deg); }
    to   { transform: rotate(-360deg); }
}

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


/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 1024px) {
    .solutions-grid,
    .experience-grid { grid-template-columns: repeat(2, 1fr); }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-cols { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hero-content { padding: 0 24px; justify-content: center; }
    .hero-text-block { max-width: 100%; }
    .hero-text-block h1 { font-size: 1.5rem; }

    .solutions-grid,
    .experience-grid,
    .trust-grid { grid-template-columns: 1fr; }
    .footer-cols { grid-template-columns: 1fr; }

    .about-text-block { padding: 32px 24px; }
    .section-title { font-size: 1.5rem; }
}

/* ===========================
   BURGER BUTTON
=========================== */
.nav-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
}

.nav-burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: #ffffff;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===========================
   MOBILE LAYOUT
=========================== */
@media (max-width: 768px) {

    /* --- Nav --- */
    .nav-frosted {
        top: 10px;
        width: calc(100% - 24px);
        padding: 8px 16px !important;
    }

    .nav-burger { display: flex; }

    .nav-menu-wrapper {
        display: none;
        position: fixed;
        top: 68px;
        left: 12px;
        right: 12px;
        background: rgba(10, 26, 52, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-radius: 20px;
        border: 1px solid rgba(168, 196, 224, 0.15);
        padding: 8px 0;
        z-index: 999;
        box-shadow: 0 8px 40px rgba(6, 21, 41, 0.5);
    }

    .nav-menu-wrapper.open { display: block; }

    .nav-menu-wrapper ul,
    .nav-menu-wrapper .nav-list {
        flex-direction: column;
        gap: 0;
        padding: 0;
    }

    .nav-menu-wrapper ul li { border-bottom: 1px solid rgba(168, 196, 224, 0.08); }
    .nav-menu-wrapper ul li:last-child { border-bottom: none; }

    .nav-menu-wrapper ul li a,
    .nav-frosted .nav-menu a {
        display: block;
        padding: 14px 24px;
        font-size: 14px;
        color: #ffffff !important;
    }

    .nav-menu-wrapper ul li a:hover,
    .nav-frosted .nav-menu a:hover {
        background: rgba(74, 122, 181, 0.15);
        color: #ffffff !important;
    }

    /* --- Hero --- */
    .hero-slide-content {
        flex-direction: column;
        align-items: stretch;
        justify-content: center;
        padding: 90px 20px 240px;
    }

    .hero-left h1 { font-size: 1.8rem; line-height: 1.2; }

    .hero-badge {
        display: flex;
        font-size: 0.68rem;
        letter-spacing: 0.06em;
        padding: 8px 16px;
        border-radius: 14px;
        white-space: normal;
        line-height: 1.4;
        align-self: stretch;
        width: 100%;
        box-sizing: border-box;
    }

    .hero-products {
        padding: 16px 20px;
        gap: 8px;
    }

    .hero-products li {
        font-size: 0.9rem;
    }

    .hero-right {
        display: flex;
        justify-content: stretch;
        align-items: stretch;
        padding-right: 0;
        padding-bottom: 0;
    }

    .hero-presentation-btn {
        width: 100%;
        justify-content: center;
        min-height: 72px;
        max-width: none;
        padding: 12px 16px;
        font-size: 1rem;
        letter-spacing: 0.04em;
        line-height: 1.1;
        border-radius: 20px;
    }

    .hero-presentation-btn svg {
        width: 22px;
        height: 22px;
    }

    /* Stats bar — 2×2 grid */
    .hero-stats-bar {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        bottom: 52px;
        width: calc(100% - 32px);
        gap: 8px;
    }

    .hero-stat-card {
        padding: 14px 10px;
        border-radius: 20px;
    }

    .hero-stat-number { font-size: 1.3rem; }
    .hero-stat-label {
        font-size: 9px;
        letter-spacing: 0.08em;
        margin-top: 5px;
    }

    /* Slider dots */
    .hero-slider-dots { bottom: 18px; }

    /* --- Sections --- */
    .solutions,
    .pipeline,
    .trust,
    .experience,
    .about,
    .advantages { padding: 48px 0; }

    .section-title { font-size: 1.3rem; letter-spacing: 0.02em; }

    /* --- Pipeline --- */
    .pipeline-steps { grid-template-columns: 1fr 1fr; }

    /* --- About --- */
    .about-block { padding: 28px 24px; }
    .about-block__logo-img { width: 90px; }

    /* --- Advantages --- */
    .adv-grid { grid-template-columns: 1fr; }

    /* --- Footer --- */
    .footer-bottom { text-align: center; font-size: 0.75rem; }
}
