/* ============================================================
   OraCortex Biz — Light Business Theme
   ============================================================ */

/* --- Custom Properties --- */
:root {
    --bg:          #FAFBFC;
    --bg-alt:      #F3F4F6;
    --surface:     #FFFFFF;
    --border:      #E5E7EB;
    --border-hover:#D1D5DB;

    --text:        #1F2937;
    --text-secondary: #6B7280;
    --text-muted:  #9CA3AF;

    --accent:      #2563EB;
    --accent-light:#DBEAFE;
    --accent-hover:#1D4ED8;

    /* Consultant colors */
    --tora:        #4F46E5;
    --tora-light:  #EEF2FF;
    --tora-border: #C7D2FE;

    --lora:        #059669;
    --lora-light:  #ECFDF5;
    --lora-border: #A7F3D0;

    --dora:        #D97706;
    --dora-light:  #FFFBEB;
    --dora-border: #FDE68A;

    --radius:      12px;
    --radius-sm:   8px;
    --shadow:      0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md:   0 4px 6px rgba(0,0,0,.05), 0 2px 4px rgba(0,0,0,.03);
    --shadow-lg:   0 10px 15px rgba(0,0,0,.06), 0 4px 6px rgba(0,0,0,.03);
    --transition:  .2s ease;
}


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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 72px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }


/* --- Typography --- */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); }
h3 { font-size: 1.25rem; }

.mono {
    font-family: 'JetBrains Mono', monospace;
    font-size: .85em;
}


/* --- Layout --- */
.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section--alt {
    background: var(--bg-alt);
}

.section__header {
    text-align: center;
    margin-bottom: 56px;
}

.section__header p {
    color: var(--text-secondary);
    max-width: 580px;
    margin: 12px auto 0;
    font-size: 1.1rem;
}


/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    height: 64px;
    background: rgba(250, 251, 252, .85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition), background var(--transition);
}

.nav.scrolled {
    border-bottom-color: var(--border);
    background: rgba(255, 255, 255, .95);
}

.nav__logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text);
    display: flex;
    align-items: baseline;
    gap: 0;
}

.nav__logo span {
    color: var(--text);
}

.nav__logo b {
    color: var(--accent);
    margin-left: 2px;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.nav__links a {
    font-size: .9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
}

.nav__links a:hover {
    color: var(--text);
}

.nav__links a.back-link {
    color: var(--text-muted);
    font-size: .85rem;
}

.nav__links a.back-link:hover {
    color: var(--accent);
}

.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    font-size: .82rem;
    font-weight: 600;
}

.lang-toggle button {
    border: none;
    background: transparent;
    padding: 6px 12px;
    cursor: pointer;
    color: var(--text-muted);
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
    transition: background var(--transition), color var(--transition);
}

.lang-toggle button.active {
    background: var(--accent);
    color: #fff;
}

.lang-toggle button:hover:not(.active) {
    color: var(--text);
    background: var(--border);
}


/* --- Hero --- */
.hero {
    padding: 160px 24px 100px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg) 0%, var(--accent-light) 50%, var(--bg) 100%);
    position: relative;
    overflow: hidden;
}

.hero__particles {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: auto;
    z-index: 0;
}

.hero > .container {
    position: relative;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37,99,235,.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    margin-bottom: 20px;
    position: relative;
}

.hero__subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero__cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: default;
    transition: background var(--transition), transform var(--transition);
    box-shadow: var(--shadow-md);
}

.hero__cta:hover {
    background: var(--accent-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}


/* --- Consultant Cards --- */
.consultants {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.consultant-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px 28px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    position: relative;
    overflow: hidden;
}

.consultant-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.consultant-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* Тора */
.consultant-card--tora::before { background: var(--tora); }
.consultant-card--tora:hover { border-color: var(--tora-border); }
.consultant-card--tora .consultant-card__icon { background: var(--tora-light); color: var(--tora); }
.consultant-card--tora .tag { background: var(--tora-light); color: var(--tora); border-color: var(--tora-border); }

/* Лора */
.consultant-card--lora::before { background: var(--lora); }
.consultant-card--lora:hover { border-color: var(--lora-border); }
.consultant-card--lora .consultant-card__icon { background: var(--lora-light); color: var(--lora); }
.consultant-card--lora .tag { background: var(--lora-light); color: var(--lora); border-color: var(--lora-border); }

/* Дора */
.consultant-card--dora::before { background: var(--dora); }
.consultant-card--dora:hover { border-color: var(--dora-border); }
.consultant-card--dora .consultant-card__icon { background: var(--dora-light); color: var(--dora); }
.consultant-card--dora .tag { background: var(--dora-light); color: var(--dora); border-color: var(--dora-border); }

.consultant-card__icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 20px;
}

.consultant-card__avatar {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 3px solid var(--border);
    box-shadow: var(--shadow);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.consultant-card:hover .consultant-card__avatar {
    box-shadow: var(--shadow-md);
}

.consultant-card--tora:hover .consultant-card__avatar {
    border-color: var(--tora);
}

.consultant-card--lora:hover .consultant-card__avatar {
    border-color: var(--lora);
}

.consultant-card--dora:hover .consultant-card__avatar {
    border-color: var(--dora);
}

.consultant-card__name {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.consultant-card__role {
    font-size: .9rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 12px;
}

.consultant-card__tagline {
    font-size: .95rem;
    color: var(--text);
    line-height: 1.6;
    margin-bottom: 20px;
    font-style: italic;
}

.consultant-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    display: inline-block;
    padding: 4px 10px;
    font-size: .75rem;
    font-weight: 600;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-alt);
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
}


/* --- Steps (How it works) --- */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    counter-reset: step;
}

.step {
    text-align: center;
    position: relative;
}

.step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.step__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.step__text {
    color: var(--text-secondary);
    font-size: .95rem;
    line-height: 1.6;
}

.step-highlight {
    margin-top: 40px;
    padding: 24px 32px;
    background: var(--accent-light);
    border: 1px solid #BFDBFE;
    border-radius: var(--radius);
    text-align: center;
    color: var(--accent-hover);
    font-weight: 500;
    font-size: 1rem;
    line-height: 1.6;
}


/* --- Audience Grid --- */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.audience-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: transform var(--transition), box-shadow var(--transition);
}

.audience-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.audience-card__icon {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.audience-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.audience-card__text {
    color: var(--text-secondary);
    font-size: .9rem;
    line-height: 1.6;
}


/* --- Scenarios --- */
.scenarios {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.scenario {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 32px;
    transition: box-shadow var(--transition);
}

.scenario:hover {
    box-shadow: var(--shadow-md);
}

.scenario__header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.scenario__avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
}

.scenario__name {
    font-weight: 700;
    font-size: 1rem;
    line-height: 1.2;
}

.scenario__role {
    font-size: .8rem;
    color: var(--text-muted);
    font-weight: 500;
}

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

.scenario__bubble {
    padding: 14px 18px;
    border-radius: 14px;
    font-size: .92rem;
    line-height: 1.6;
    max-width: 85%;
}

.scenario__bubble--user {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    color: var(--text);
}

.scenario__bubble--ai {
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.scenario__bubble--tora {
    background: var(--tora-light);
    border: 1px solid var(--tora-border);
    color: var(--text);
}

.scenario__bubble--lora {
    background: var(--lora-light);
    border: 1px solid var(--lora-border);
    color: var(--text);
}

.scenario__bubble--dora {
    background: var(--dora-light);
    border: 1px solid var(--dora-border);
    color: var(--text);
}

.scenario__bubble-author {
    font-size: .75rem;
    font-weight: 700;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: .03em;
    font-family: 'JetBrains Mono', monospace;
}

.scenario__bubble--tora .scenario__bubble-author { color: var(--tora); }
.scenario__bubble--lora .scenario__bubble-author { color: var(--lora); }
.scenario__bubble--dora .scenario__bubble-author { color: var(--dora); }

.scenario__bubble-avatar {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    object-fit: cover;
    vertical-align: middle;
    margin-right: 2px;
}

/* Group chat header */
.scenario__header--group {
    gap: 16px;
}

.scenario__avatars {
    display: flex;
}

.scenario__avatar-stacked {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--surface);
    margin-right: -12px;
    position: relative;
}

.scenario__avatar-stacked:nth-child(1) { z-index: 3; }
.scenario__avatar-stacked:nth-child(2) { z-index: 2; }
.scenario__avatar-stacked:nth-child(3) { z-index: 1; margin-right: 0; }

.scenario--group {
    border: 1px solid var(--accent);
    border-left: 4px solid var(--accent);
}

.scenario--group .scenario__bubble--ai {
    max-width: 90%;
}


/* --- Scenario Typing Effect --- */
.scenario__bubble {
    opacity: 0;
    transform: translateY(10px);
}

.scenario__bubble.bubble-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.typing-dots {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 14px 22px;
    border-radius: 14px;
    border-bottom-left-radius: 4px;
    align-self: flex-start;
    background: var(--bg-alt);
    border: 1px solid var(--border);
}

.typing-dots__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--text-muted);
    animation: typingBounce 1.2s ease-in-out infinite;
}

.typing-dots__dot:nth-child(2) { animation-delay: 0.15s; }
.typing-dots__dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes typingBounce {
    0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
    30% { opacity: 1; transform: translateY(-4px); }
}

.typing-dots--tora { background: var(--tora-light); border-color: var(--tora-border); }
.typing-dots--tora .typing-dots__dot { background: var(--tora); }
.typing-dots--lora { background: var(--lora-light); border-color: var(--lora-border); }
.typing-dots--lora .typing-dots__dot { background: var(--lora); }
.typing-dots--dora { background: var(--dora-light); border-color: var(--dora-border); }
.typing-dots--dora .typing-dots__dot { background: var(--dora); }

/* Blinking cursor during character-by-character typing */
span[data-typing]::after {
    content: '';
    display: inline-block;
    width: 2px;
    height: 1em;
    background: currentColor;
    margin-left: 1px;
    vertical-align: text-bottom;
    opacity: 0.6;
    animation: cursorBlink .53s step-end infinite;
}

@keyframes cursorBlink {
    50% { opacity: 0; }
}


/* --- FAQ --- */
.faq {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq__item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color var(--transition);
}

.faq__item[open] {
    border-color: var(--accent);
}

.faq__question {
    padding: 20px 24px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: var(--text);
    transition: color var(--transition);
    user-select: none;
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__question::after {
    content: '+';
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: transform var(--transition);
}

.faq__item[open] .faq__question::after {
    content: '−';
    color: var(--accent);
}

.faq__item[open] .faq__question {
    color: var(--accent);
}

.faq__answer {
    padding: 0 24px 20px;
    color: var(--text-secondary);
    font-size: .92rem;
    line-height: 1.7;
}


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

.feature {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: transform var(--transition), box-shadow var(--transition);
}

.feature:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.feature__icon {
    font-size: 1.6rem;
    margin-bottom: 14px;
}

.feature__title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.feature__text {
    color: var(--text-secondary);
    font-size: .9rem;
    line-height: 1.6;
}


/* --- Stats Counters --- */
.stats {
    padding: 56px 0;
    background: var(--text);
    color: #fff;
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stats__number {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: #fff;
}

.stats__unit {
    font-size: 2rem;
    font-weight: 600;
}

.stats__label {
    margin-top: 8px;
    font-size: .88rem;
    color: rgba(255,255,255,.6);
    font-weight: 500;
    letter-spacing: 0.01em;
}


/* --- Customization --- */
.customize {
    background: var(--bg-alt);
}

.customize__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.customize__card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}

.customize__card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.customize__icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.customize__title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
}

.customize__text {
    color: var(--text-secondary);
    font-size: .92rem;
    line-height: 1.65;
}

.customize__dedicated {
    background: var(--text);
    color: #fff;
    border-radius: var(--radius);
    padding: 48px 40px;
    text-align: center;
}

.customize__dedicated-icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
}

.customize__dedicated-title {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.customize__dedicated-text {
    max-width: 680px;
    margin: 0 auto 14px;
    font-size: 1rem;
    line-height: 1.75;
    color: rgba(255,255,255,.78);
}

.customize__dedicated-text:last-of-type {
    margin-bottom: 28px;
    color: #fff;
    font-weight: 600;
}

.customize__dedicated-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.customize__tag {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 20px;
    font-size: .82rem;
    font-weight: 500;
    color: rgba(255,255,255,.85);
    letter-spacing: 0.01em;
}


/* --- Footer --- */
.footer {
    padding: 48px 24px;
    text-align: center;
    border-top: 1px solid var(--border);
    background: var(--bg);
}

.footer__powered {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 8px;
}

.footer__powered a {
    font-weight: 700;
    color: var(--text);
}

.footer__powered a:hover {
    color: var(--accent);
}

.footer__note {
    color: var(--text-muted);
    font-size: .85rem;
    margin-bottom: 16px;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.footer__copy {
    color: var(--text-muted);
    font-size: .8rem;
}


/* --- Scroll Progress Indicator --- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--tora), var(--lora), var(--dora));
    z-index: 200;
    pointer-events: none;
    will-change: width;
    transition: none;
}


/* --- Back to Top Button --- */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 150;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--surface);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity .3s ease, transform .3s ease,
                border-color var(--transition), color var(--transition),
                background var(--transition);
    box-shadow: var(--shadow-md);
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.back-to-top:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: var(--shadow-lg);
}


/* --- Scroll Reveal --- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s ease, transform .6s ease;
}

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


/* --- Responsive --- */
@media (max-width: 900px) {
    .consultants,
    .steps,
    .features,
    .audience-grid,
    .customize__grid {
        grid-template-columns: 1fr 1fr;
    }

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

    .customize__grid .customize__card:last-child {
        grid-column: 1 / -1;
        max-width: 480px;
        margin: 0 auto;
        width: 100%;
    }

    .scenario__bubble {
        max-width: 92%;
    }

    .consultant-card:last-child {
        grid-column: 1 / -1;
        max-width: 480px;
        margin: 0 auto;
        width: 100%;
    }

    .steps .step:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
    }
}

/* Hamburger button */
.nav__burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    flex-direction: column;
    gap: 5px;
    z-index: 110;
}

.nav__right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav__burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav__burger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav__burger.open span:nth-child(2) {
    opacity: 0;
}

.nav__burger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 640px) {
    .nav {
        padding: 0 16px;
        height: 56px;
    }

    .nav__burger {
        display: flex;
    }

    .nav__links {
        position: fixed;
        top: 0;
        right: 0;
        width: 260px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 0.25rem;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        box-shadow: -4px 0 24px rgba(0, 0, 0, 0.08);
    }

    .nav__links.open {
        transform: translateX(0);
    }

    .nav__links .nav-section-link,
    .nav__links .back-link {
        display: block;
        font-size: 1rem;
        padding: 0.6rem 0;
    }

    .hero {
        padding: 130px 20px 72px;
    }

    .consultants,
    .steps,
    .features,
    .audience-grid,
    .customize__grid {
        grid-template-columns: 1fr;
    }

    .customize__dedicated {
        padding: 36px 20px;
    }

    .scenario {
        padding: 20px 18px;
    }

    .scenario__bubble {
        max-width: 100%;
    }

    .faq__question {
        padding: 16px 18px;
        font-size: .92rem;
    }

    .faq__answer {
        padding: 0 18px 16px;
    }

    .consultant-card:last-child {
        max-width: none;
    }

    .steps .step:last-child {
        max-width: none;
    }

    .section {
        padding: 56px 0;
    }

    .section__header {
        margin-bottom: 36px;
    }

    .step-highlight {
        padding: 20px 20px;
    }
}

@media (max-width: 400px) {
    .lang-toggle button {
        padding: 5px 8px;
    }

    .hero__title {
        font-size: 2rem;
    }
}


/* --- Reduced Motion --- */
/* --- Cookie Banner --- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 16px 24px;
    background: var(--text);
    color: rgba(255,255,255,.88);
    font-size: .88rem;
    line-height: 1.5;
    box-shadow: 0 -2px 12px rgba(0,0,0,.1);
    transform: translateY(100%);
    transition: transform .4s ease;
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner.hidden {
    transform: translateY(100%);
}

.cookie-banner__text {
    margin: 0;
}

.cookie-banner__btn {
    flex-shrink: 0;
    padding: 8px 24px;
    background: #fff;
    color: var(--text);
    border: none;
    border-radius: 6px;
    font-size: .85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
}

.cookie-banner__btn:hover {
    background: rgba(255,255,255,.85);
}

/* --- Hero Typewriter Cursor --- */
.hero__title--typing::after {
    content: '|';
    font-weight: 300;
    color: var(--accent);
    animation: heroCursorBlink .6s step-end infinite;
}

@keyframes heroCursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@media (max-width: 640px) {
    .cookie-banner {
        flex-direction: column;
        gap: 12px;
        text-align: center;
        padding: 14px 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .back-to-top {
        transition: none;
    }

    .back-to-top.visible {
        opacity: 1;
        transform: none;
    }

    * {
        transition-duration: 0s !important;
    }
}