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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: #333;
    background: #fff;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    -webkit-tap-highlight-color: transparent;
}

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

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    padding: 5px 18px;
    background: #fff3e0;
    color: #e67e00;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
}

.section-header h2 {
    font-size: 30px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.section-header p {
    font-size: 15px;
    color: #999;
}

/* ===================== Navbar ===================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 14px 0;
    transition: all 0.3s ease;
    background: transparent;
}

.navbar.scrolled,
.navbar.menu-open {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    padding: 8px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 20px;
    color: #fff;
    z-index: 1001;
}

.navbar.scrolled .nav-logo,
.navbar.menu-open .nav-logo {
    color: #333;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #ff8c00, #ff6b00);
    border-radius: 10px;
    font-size: 18px;
    color: #fff;
    flex-shrink: 0;
}

.logo-text {
    white-space: nowrap;
}

/* Desktop nav links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    transition: color 0.2s;
    font-weight: 500;
    white-space: nowrap;
}

.nav-links a:hover {
    color: #fff;
}

.navbar.scrolled .nav-links a,
.navbar.menu-open .nav-links a {
    color: #555;
}

.navbar.scrolled .nav-links a:hover {
    color: #ff6b00;
}

.btn-download-nav {
    padding: 8px 22px;
    background: linear-gradient(135deg, #ff8c00, #ff6b00);
    color: #fff !important;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    touch-action: manipulation;
}

.btn-download-nav:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(255, 107, 0, 0.4);
}

.btn-download-nav-mobile {
    display: none;
}

/* Hamburger menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.navbar.scrolled .menu-toggle span,
.navbar.menu-open .menu-toggle span {
    background: #333;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===================== Hero ===================== */
.hero {
    position: relative;
    background: linear-gradient(160deg, #ff8c00 0%, #ff6b00 40%, #e05a00 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 60px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.dot {
    width: 8px;
    height: 8px;
    background: #4cff4c;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-title .highlight {
    position: relative;
    display: inline-block;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    right: 0;
    height: 10px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 4px;
    z-index: -1;
}

.hero-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 32px;
    background: #fff;
    color: #ff6b00;
    border-radius: 28px;
    font-size: 16px;
    font-weight: 700;
    transition: transform 0.2s, box-shadow 0.2s;
    touch-action: manipulation;
    min-height: 48px;
}

.btn-primary:active {
    transform: scale(0.97);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 32px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    border-radius: 28px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.2s;
    touch-action: manipulation;
    min-height: 48px;
}

.btn-outline:active {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.15);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card-main {
    width: 320px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 28px;
    position: relative;
}

.card-map {
    position: relative;
    height: 140px;
    margin-bottom: 28px;
}

.map-dot {
    position: absolute;
}

.map-dot.start { bottom: 0; left: 10px; }
.map-dot.end { top: 0; right: 10px; }

.dot-inner {
    display: block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #fff;
    position: relative;
    z-index: 2;
}

.map-dot.start .dot-inner {
    box-shadow: 0 0 0 6px rgba(76, 255, 76, 0.3);
}

.map-dot.end .dot-inner {
    box-shadow: 0 0 0 6px rgba(255, 107, 0, 0.3);
}

.dot-pulse {
    position: absolute;
    top: -6px;
    left: -6px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(76, 255, 76, 0.15);
    animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(2.5); opacity: 0; }
}

.map-path {
    position: absolute;
    top: 12px;
    left: 17px;
    right: 17px;
    bottom: 12px;
}

.map-path::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px dashed rgba(255, 255, 255, 0.4);
    border-radius: 60px;
}

.path-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
}

.path-dot.p1 { top: 40%; left: 40%; }
.path-dot.p2 { bottom: 30%; right: 35%; }

.map-label {
    position: absolute;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.7);
}

.start-label { bottom: -20px; left: 8px; }
.end-label { top: -20px; right: 8px; }

.card-stats {
    display: flex;
    justify-content: space-between;
}

.stat {
    text-align: center;
    color: #fff;
}

.stat-num {
    font-size: 22px;
    font-weight: 700;
}

.stat-text {
    font-size: 11px;
    opacity: 0.7;
    margin-top: 2px;
}

/* Floating card */
.card-float {
    position: absolute;
    bottom: -20px;
    right: -60px;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 16px 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    width: 260px;
}

.float-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
}

.float-avatar {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, #ffb347, #ff8c00);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.float-avatar.av2 {
    background: linear-gradient(135deg, #ff8c00, #e05a00);
}

.float-info {
    font-size: 13px;
    color: #333;
    flex: 1;
}

.float-info strong {
    display: block;
    font-size: 14px;
}

.float-divider {
    height: 1px;
    background: #f0f0f0;
    margin: 4px 0;
}

.float-badge {
    font-size: 13px;
    font-weight: 700;
    color: #ff6b00;
    white-space: nowrap;
}

/* Hero wave */
.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 50px;
}

/* ===================== Features ===================== */
.features {
    padding: 80px 0;
    background: #fff;
}

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

.feature-card {
    background: #fff;
    border: 1px solid #f0f0f0;
    border-radius: 20px;
    padding: 32px 24px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: #ffb347;
    box-shadow: 0 12px 40px rgba(255, 107, 0, 0.08);
    transform: translateY(-4px);
}

.feature-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, #fff3e0, #ffe0b2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ff6b00;
    margin-bottom: 18px;
}

.feature-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1a1a1a;
}

.feature-card p {
    font-size: 14px;
    color: #888;
    line-height: 1.7;
}

/* ===================== How It Works ===================== */
.how-it-works {
    padding: 80px 0;
    background: #fafafa;
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    text-align: center;
    flex: 1;
    position: relative;
    padding: 0 12px;
}

.step-number {
    font-size: 56px;
    font-weight: 800;
    color: rgba(255, 107, 0, 0.06);
    position: absolute;
    top: -28px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
    pointer-events: none;
}

.step-icon-wrapper {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ff8c00, #ff6b00);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin: 0 auto 16px;
    position: relative;
    z-index: 1;
}

.step h4 {
    font-size: 16px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 6px;
}

.step p {
    font-size: 13px;
    color: #999;
    line-height: 1.6;
}

.step-connector {
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, #ff8c00, #ffb347);
    margin-top: 30px;
    flex-shrink: 0;
}

/* ===================== Scenarios ===================== */
.scenarios {
    padding: 80px 0;
    background: #fff;
}

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

.scenario-card {
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.scenario-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.scenario-img {
    height: 160px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.scenario-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50px;
    background: linear-gradient(transparent, rgba(0,0,0,0.4));
}

.scenario-img.train {
    background: linear-gradient(135deg, #ff8c00, #ffb347);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 200'%3E%3Crect width='400' height='200' fill='%23ff8c00'/%3E%3Crect x='80' y='100' width='240' height='12' rx='6' fill='white' opacity='0.3'/%3E%3Crect x='280' y='100' width='12' height='30' rx='6' fill='white' opacity='0.3'/%3E%3Ccircle cx='160' cy='140' r='20' fill='white' opacity='0.2'/%3E%3Ccircle cx='260' cy='140' r='20' fill='white' opacity='0.2'/%3E%3C/svg%3E");
}

.scenario-img.flight {
    background: linear-gradient(135deg, #e05a00, #ff6b00);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 200'%3E%3Crect width='400' height='200' fill='%23e05a00'/%3E%3Cpolygon points='180,60 200,30 220,60' fill='white' opacity='0.3'/%3E%3Cline x1='120' y1='70' x2='280' y2='70' stroke='white' stroke-width='3' opacity='0.3'/%3E%3C/svg%3E");
}

.scenario-img.road {
    background: linear-gradient(135deg, #ffb347, #ff8c00);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 200'%3E%3Crect width='400' height='200' fill='%23ffb347'/%3E%3Crect x='60' y='80' width='280' height='3' fill='white' opacity='0.3'/%3E%3Crect x='100' y='120' width='200' height='3' fill='white' opacity='0.3'/%3E%3Crect x='200' y='70' width='30' height='14' rx='4' fill='white' opacity='0.25'/%3E%3C/svg%3E");
}

.scenario-body {
    padding: 20px;
    background: #fff;
}

.scenario-body h4 {
    font-size: 17px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 6px;
}

.scenario-body p {
    font-size: 13px;
    color: #888;
    line-height: 1.6;
}

/* ===================== Stats Bar ===================== */
.stats-bar {
    padding: 52px 0;
    background: linear-gradient(135deg, #ff8c00, #ff6b00);
}

.stats-row {
    display: flex;
    justify-content: space-around;
    text-align: center;
}

.stat-item {
    color: #fff;
    padding: 0 8px;
    flex: 1;
}

.stat-big {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 4px;
}

.stat-big span {
    font-size: 22px;
    opacity: 0.7;
}

.stat-item p {
    font-size: 13px;
    opacity: 0.8;
}

/* ===================== About ===================== */
.about {
    padding: 80px 0;
    background: #fff;
}

.about-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 48px;
    align-items: start;
}

.about-text p {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 14px;
}

.about-lead {
    font-size: 16px !important;
    color: #333 !important;
    font-weight: 500;
}

.about-lead strong {
    color: #ff6b00;
}

.about-info-card {
    background: #fafafa;
    border-radius: 20px;
    padding: 28px;
    border: 1px solid #f0f0f0;
}

.about-info-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid #ffe0b2;
}

.about-info-row {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 14px;
}

.about-info-row:last-child {
    margin-bottom: 0;
}

.ainfo-label {
    font-size: 12px;
    color: #bbb;
    letter-spacing: 0.3px;
}

.ainfo-value {
    font-size: 14px;
    color: #444;
    word-break: break-all;
}

.ainfo-value.mono {
    font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
    font-size: 13px;
    letter-spacing: 0.2px;
}

.ainfo-value a {
    color: #ff6b00;
}

.ainfo-value a:active {
    opacity: 0.7;
}

/* ===================== CTA ===================== */
.cta-section {
    padding: 60px 0;
    background: #fafafa;
}

.cta-box {
    text-align: center;
    background: linear-gradient(135deg, #ff8c00, #ff6b00);
    border-radius: 24px;
    padding: 48px 32px;
    color: #fff;
}

.cta-box h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
}

.cta-box p {
    font-size: 15px;
    opacity: 0.9;
    margin-bottom: 28px;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 40px;
    background: #fff;
    color: #ff6b00;
    border-radius: 28px;
    font-size: 17px;
    font-weight: 700;
    transition: transform 0.2s, box-shadow 0.2s;
    touch-action: manipulation;
    min-height: 52px;
}

.btn-cta:active {
    transform: scale(0.97);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.cta-note {
    margin-top: 14px;
    font-size: 13px !important;
    opacity: 0.6;
}

/* ===================== Footer ===================== */
.footer {
    background: #1a1a1a;
    color: #999;
    padding: 50px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 48px;
    margin-bottom: 36px;
}

.footer-logo {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    display: block;
    margin-bottom: 6px;
}

.footer-brand p {
    font-size: 12px;
    color: #777;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-col h5 {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 14px;
}

.footer-col a {
    display: block;
    font-size: 13px;
    color: #888;
    margin-bottom: 8px;
    padding: 4px 0;
    transition: color 0.2s;
}

.footer-col a:active {
    color: #ff8c00;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    font-size: 12px;
    color: #777;
}

.footer-icp {
    margin-top: 6px;
    font-size: 11px;
    color: #666;
    line-height: 1.8;
}

.footer-icp a {
    color: #888;
    transition: color 0.2s;
}

.footer-icp a:active {
    color: #ff8c00;
}

.icp-sep {
    margin: 0 8px;
    color: #444;
}

/* =================================================================
   H5 Mobile Responsive
   ================================================================= */

/* Tablet: ≤ 1024px */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
        padding: 60px 20px 40px;
    }
    .hero-desc { max-width: 100%; }
    .hero-actions { justify-content: center; }
    .hero-visual { display: none; }
    .hero-title { font-size: 34px; }

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

    .scenario-cards { grid-template-columns: repeat(2, 1fr); }
    .scenario-cards .scenario-card:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        justify-self: center;
    }

    .about-content { grid-template-columns: 1fr; gap: 32px; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-links { gap: 40px; }
}

/* Phone: ≤ 768px */
@media (max-width: 768px) {
    /* ── Navigation ── */
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 32px 32px;
        gap: 0;
        transition: right 0.3s ease;
        box-shadow: -4px 0 30px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        display: block;
        width: 100%;
        padding: 14px 0;
        font-size: 16px;
        color: #333 !important;
        border-bottom: 1px solid #f5f5f5;
        font-weight: 500;
    }

    .nav-links a:active {
        color: #ff6b00 !important;
        background: #fff8f0;
        margin: 0 -12px;
        padding-left: 12px;
        padding-right: 12px;
        border-radius: 8px;
    }

    .btn-download-nav { display: none; }
    .btn-download-nav-mobile {
        display: block;
        width: 100%;
        margin-top: 20px;
        padding: 14px 0;
        background: linear-gradient(135deg, #ff8c00, #ff6b00);
        color: #fff !important;
        border-radius: 24px;
        font-size: 16px;
        font-weight: 700;
        text-align: center;
        border: none;
    }

    .btn-download-nav-mobile:active {
        opacity: 0.85;
    }

    .menu-toggle { display: flex; }

    /* Mobile menu overlay */
    .navbar.menu-open::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 999;
    }

    /* ── Hero ── */
    .hero {
        min-height: auto;
        padding-bottom: 40px;
    }
    .hero-container {
        padding: 90px 16px 30px;
    }
    .hero-title {
        font-size: clamp(26px, 7vw, 32px);
    }
    .hero-desc {
        font-size: 14px;
    }
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        max-width: 280px;
        margin: 0 auto;
    }
    .btn-primary, .btn-outline {
        width: 100%;
        justify-content: center;
    }

    /* ── Sections ── */
    .features { padding: 56px 0; }
    .how-it-works { padding: 56px 0; }
    .scenarios { padding: 56px 0; }
    .about { padding: 56px 0; }
    .cta-section { padding: 48px 0; }

    .section-header { margin-bottom: 36px; }
    .section-header h2 {
        font-size: clamp(22px, 5vw, 26px);
    }

    .section-container { padding: 0 16px; }

    /* ── Features ── */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .feature-card {
        padding: 24px 20px;
        display: flex;
        align-items: flex-start;
        gap: 16px;
    }
    .feature-icon {
        width: 44px;
        height: 44px;
        flex-shrink: 0;
        margin-bottom: 0;
    }
    .feature-icon svg { width: 24px; height: 24px; }
    .feature-card:hover { transform: none; }

    /* ── How It Works ── */
    .steps {
        flex-direction: column;
        align-items: center;
        gap: 0;
    }
    .step {
        display: flex;
        align-items: center;
        gap: 16px;
        width: 100%;
        max-width: 320px;
        text-align: left;
        padding: 12px 0;
    }
    .step-number { display: none; }
    .step-icon-wrapper {
        width: 48px;
        height: 48px;
        flex-shrink: 0;
        margin: 0;
    }
    .step-icon-wrapper svg { width: 22px; height: 22px; }
    .step h4 { margin-bottom: 2px; }
    .step-connector {
        width: 2px;
        height: 20px;
        margin: 0 0 0 24px;
        align-self: flex-start;
    }

    /* ── Scenarios ── */
    .scenario-cards {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .scenario-cards .scenario-card:last-child {
        max-width: 100%;
        grid-column: auto;
    }
    .scenario-img { height: 140px; }

    /* ── Stats ── */
    .stats-bar { padding: 36px 0; }
    .stats-row {
        flex-wrap: wrap;
        gap: 0;
    }
    .stat-item {
        width: 50%;
        padding: 10px 4px;
        flex: none;
    }
    .stat-big { font-size: 28px; }
    .stat-big span { font-size: 16px; }
    .stat-item p { font-size: 12px; }

    /* ── About ── */
    .about-info-card { padding: 24px 20px; }

    /* ── CTA ── */
    .cta-box {
        padding: 36px 20px;
        border-radius: 20px;
    }
    .cta-box h2 { font-size: clamp(20px, 5vw, 24px); }
    .btn-cta { width: 100%; max-width: 260px; }

    /* ── Footer ── */
    .footer { padding: 40px 0 20px; }
    .footer-grid { gap: 28px; }
    .footer-links {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

/* Small phone: ≤ 375px */
@media (max-width: 375px) {
    .hero-title {
        font-size: 24px;
    }
    .hero-desc {
        font-size: 13px;
    }
    .hero-actions {
        max-width: 100%;
    }
    .btn-primary, .btn-outline {
        font-size: 15px;
        padding: 12px 20px;
        min-height: 44px;
    }
    .section-header h2 {
        font-size: 21px;
    }
    .stats-row {
        flex-direction: column;
        gap: 8px;
    }
    .stat-item {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 8px 16px;
    }
    .stat-big {
        font-size: 24px;
        margin-bottom: 0;
    }
    .stat-big span { font-size: 14px; }
    .stat-item p {
        font-size: 13px;
    }
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}