/* ====== Tokens ====== */
:root {
    --color-bg: #FFFFFF;
    --color-bg-soft: #F8FAFC;
    --color-bg-section: #F1F5F9;

    --color-primary: #047857;
    --color-primary-dark: #065F46;
    --color-primary-darker: #064E3B;
    --color-primary-soft: #ECFDF5;

    --color-accent: #F97316;
    --color-accent-dark: #EA580C;
    --color-accent-soft: #FFF7ED;

    --color-text: #0F172A;
    --color-text-soft: #475569;
    --color-text-mute: #64748B;

    --color-border: #E2E8F0;
    --color-border-strong: #CBD5E1;

    --color-danger: #DC2626;
    --color-danger-soft: #FEF2F2;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 28px;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
    --shadow-primary: 0 12px 28px rgba(4, 120, 87, 0.18);
    --shadow-accent: 0 12px 28px rgba(249, 115, 22, 0.28);

    --container: 1180px;
    --transition: 180ms cubic-bezier(.2,.7,.3,1);
}

/* ====== Reset ====== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.55;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
fieldset { border: 0; margin: 0; padding: 0; }
legend { padding: 0; }

.container {
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 20px;
}

/* ====== Buttons ====== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
    white-space: nowrap;
    text-decoration: none;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn--primary {
    background: var(--color-accent);
    color: #fff;
    box-shadow: var(--shadow-accent);
}
.btn--primary:hover:not(:disabled) {
    background: var(--color-accent-dark);
    transform: translateY(-1px);
}
.btn--primary:active:not(:disabled) { transform: translateY(0); }

.btn--ghost {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border-strong);
}
.btn--ghost:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
    text-decoration: none;
}
.btn--lg { padding: 16px 28px; font-size: 16px; }
.btn--sm { padding: 8px 14px; font-size: 14px; }

/* ====== Header ====== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(140%) blur(10px);
    -webkit-backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 14px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--color-primary-darker);
    font-weight: 800;
    text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand__mark {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
}
.brand__mark svg { width: 22px; height: 22px; }
.brand__name { font-size: 19px; letter-spacing: -0.01em; }
.brand--footer { color: #fff; }
.brand--footer .brand__mark { background: rgba(255, 255, 255, 0.12); color: #fff; }

/* ====== Hero ====== */
.hero {
    padding-block: clamp(48px, 8vw, 96px);
    background:
        radial-gradient(60% 80% at 100% 0%, var(--color-primary-soft) 0%, transparent 60%),
        radial-gradient(50% 60% at 0% 100%, var(--color-accent-soft) 0%, transparent 60%),
        var(--color-bg);
}
.hero__inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: clamp(28px, 5vw, 64px);
    align-items: center;
}
.eyebrow {
    display: inline-block;
    padding: 6px 12px;
    background: var(--color-primary-soft);
    color: var(--color-primary-dark);
    font-weight: 600;
    font-size: 13px;
    border-radius: 999px;
    margin-bottom: 18px;
}
.hero__title {
    font-size: clamp(34px, 5.5vw, 56px);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.08;
    margin: 0 0 18px;
}
.hero__title-accent {
    display: inline-block;
    color: var(--color-primary);
    position: relative;
    white-space: nowrap;
}
.hero__title-accent::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 4px;
    height: 12px;
    background: var(--color-accent-soft);
    z-index: -1;
    border-radius: 4px;
}
.hero__subtitle {
    font-size: clamp(16px, 1.6vw, 19px);
    color: var(--color-text-soft);
    margin: 0 0 28px;
    max-width: 580px;
}
.hero__cta-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 32px;
}
.hero__cta-note {
    font-size: 14px;
    color: var(--color-text-mute);
}
.hero__badges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}
.hero__badges li {
    font-size: 13px;
    color: var(--color-text-soft);
    line-height: 1.4;
}
.hero__badges strong {
    display: block;
    font-size: 18px;
    color: var(--color-text);
    font-weight: 700;
    margin-bottom: 2px;
}

.hero__card {
    background: #fff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 28px;
    display: grid;
    gap: 16px;
    border: 1px solid var(--color-border);
}
.hero__card-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-block: 12px;
    border-bottom: 1px dashed var(--color-border);
}
.hero__card-row:last-child { border-bottom: 0; }
.hero__card-row--success { background: var(--color-primary-soft); margin: 8px -16px -16px; padding: 14px 16px; border-radius: var(--radius-lg); border: 0; }
.hero__card-dot {
    width: 12px; height: 12px; border-radius: 50%;
}
.hero__card-dot--red { background: var(--color-danger); box-shadow: 0 0 0 4px var(--color-danger-soft); }
.hero__card-dot--green { background: var(--color-primary); box-shadow: 0 0 0 4px var(--color-primary-soft); }
.hero__card-label { font-size: 13px; color: var(--color-text-mute); }
.hero__card-amount {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-danger);
    font-variant-numeric: tabular-nums;
}
.hero__card-amount--green { color: var(--color-primary-dark); }

/* ====== Section common ====== */
.section-title {
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 800;
    letter-spacing: -0.015em;
    line-height: 1.15;
    margin: 0 0 12px;
    color: var(--color-text);
}
.section-title--white { color: #fff; }
.section-subtitle {
    font-size: 17px;
    color: var(--color-text-soft);
    margin: 0 0 40px;
    max-width: 640px;
}
.section-subtitle--white { color: rgba(255, 255, 255, 0.85); }

/* ====== Cases ====== */
.cases { padding-block: clamp(56px, 8vw, 96px); background: var(--color-bg); }
.cases__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.case {
    padding: 28px 24px;
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.case:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}
.case__icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    border-radius: 12px;
    margin-bottom: 18px;
}
.case__icon svg { width: 24px; height: 24px; }
.case h3 {
    font-size: 17px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--color-text);
}
.case p {
    margin: 0;
    font-size: 14px;
    color: var(--color-text-soft);
    line-height: 1.55;
}

/* ====== How ====== */
.how { padding-block: clamp(56px, 8vw, 96px); background: var(--color-bg-section); }
.how__steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    counter-reset: step;
}
.how__step {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid var(--color-border);
    position: relative;
}
.how__num {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 16px;
}
.how__step h3 {
    font-size: 19px;
    font-weight: 700;
    margin: 0 0 8px;
}
.how__step p {
    margin: 0;
    color: var(--color-text-soft);
    font-size: 15px;
}

/* ====== Survey ====== */
.survey {
    padding-block: clamp(64px, 9vw, 112px);
    background:
        linear-gradient(180deg, var(--color-primary-dark), var(--color-primary-darker));
    color: #fff;
}
.survey__container { max-width: 760px; }
.survey__head {
    text-align: center;
    margin-bottom: 40px;
}
.survey__head .section-subtitle { margin-inline: auto; }

.form {
    background: #fff;
    color: var(--color-text);
    border-radius: var(--radius-xl);
    padding: clamp(24px, 4vw, 44px);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.form__progress {
    height: 6px;
    background: var(--color-bg-section);
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 10px;
}
.form__progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 999px;
    transition: width 360ms cubic-bezier(.2,.7,.3,1);
}
.form__progress-text {
    font-size: 13px;
    color: var(--color-text-mute);
    margin-bottom: 28px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* steps */
.step {
    display: none;
    animation: stepIn 320ms cubic-bezier(.2,.7,.3,1);
}
.step.is-active { display: block; }
@keyframes stepIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.step__question {
    font-size: clamp(20px, 2.4vw, 26px);
    font-weight: 700;
    line-height: 1.25;
    margin: 0 0 8px;
    color: var(--color-text);
    letter-spacing: -0.01em;
}
.step__hint {
    color: var(--color-text-soft);
    font-size: 14px;
    margin: 0 0 22px;
}

.options {
    display: grid;
    gap: 12px;
    margin: 24px 0 28px;
}
.options--grid-2 { grid-template-columns: repeat(2, 1fr); }
.options--grid-3 { grid-template-columns: repeat(3, 1fr); }

.option {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 18px 18px 18px 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-soft);
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
}
.option:hover { border-color: var(--color-primary); background: var(--color-primary-soft); }
.option input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.option__label {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
}
.option__hint {
    font-size: 12px;
    color: var(--color-text-mute);
}
.option:has(input:checked),
.option.is-checked {
    border-color: var(--color-primary);
    background: var(--color-primary-soft);
    box-shadow: 0 0 0 4px rgba(4, 120, 87, 0.12);
}
.option:has(input:checked) .option__label,
.option.is-checked .option__label { color: var(--color-primary-dark); }

.option--compact { padding: 14px 16px; text-align: center; align-items: center; }
.option--compact .option__label { font-size: 14px; }

/* fields */
.field {
    display: block;
    margin-bottom: 18px;
}
.field--inline { margin-top: 8px; margin-bottom: 24px; }
.field__label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}
.field__optional {
    color: var(--color-text-mute);
    font-weight: 400;
}
.field__input {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
    font-family: inherit;
}
.field__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(4, 120, 87, 0.12);
}
.field__input::placeholder { color: var(--color-text-mute); }
.field__input.is-invalid {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.10);
}

/* honeypot — hidden from humans, visible to bots */
.hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 6px 0 22px;
    font-size: 13px;
    color: var(--color-text-soft);
    line-height: 1.5;
    cursor: pointer;
}
.consent input { margin-top: 3px; accent-color: var(--color-primary); }
.consent a { color: var(--color-primary); text-decoration: underline; }

/* step nav */
.step__nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 8px;
}
.step__nav .btn--primary { min-width: 140px; }

.form__error {
    margin-top: 14px;
    padding: 12px 14px;
    background: var(--color-danger-soft);
    color: var(--color-danger);
    border-radius: var(--radius-sm);
    font-size: 14px;
    border: 1px solid #FECACA;
}

/* thank you */
.thanks {
    text-align: center;
    padding: 24px 8px;
}
.thanks.is-active { display: block; }
.thanks__icon {
    width: 72px; height: 72px;
    margin: 0 auto 20px;
    display: grid; place-items: center;
    border-radius: 50%;
    background: var(--color-primary-soft);
    color: var(--color-primary);
}
.thanks h2 {
    font-size: 26px;
    margin: 0 0 12px;
    color: var(--color-text);
}
.thanks p { margin: 0 0 8px; color: var(--color-text-soft); }
.thanks__small { font-size: 13px; color: var(--color-text-mute); margin-top: 14px; }

/* ====== Trust ====== */
.trust { padding-block: clamp(40px, 6vw, 64px); background: var(--color-bg); border-top: 1px solid var(--color-border); }
.trust__inner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: center;
}
.trust__num {
    font-size: clamp(22px, 2.5vw, 28px);
    font-weight: 800;
    color: var(--color-primary-dark);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}
.trust__label {
    color: var(--color-text-soft);
    font-size: 14px;
}

/* ====== Footer ====== */
.site-footer {
    background: var(--color-primary-darker);
    color: rgba(255, 255, 255, 0.85);
    padding-block: 36px;
    font-size: 14px;
}
.site-footer__inner {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 24px;
    align-items: start;
}
.site-footer__tagline {
    margin: 12px 0 0;
    color: rgba(255, 255, 255, 0.6);
}
.site-footer__legal p { margin: 0 0 8px; color: rgba(255, 255, 255, 0.6); }
.site-footer__legal p:first-child { color: rgba(255, 255, 255, 0.85); font-weight: 500; }

/* ====== Responsive ====== */
@media (max-width: 960px) {
    .hero__inner { grid-template-columns: 1fr; }
    .hero__card { max-width: 480px; margin: 0 auto; }
    .cases__grid { grid-template-columns: repeat(2, 1fr); }
    .how__steps { grid-template-columns: 1fr; }
    .site-footer__inner { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .container { padding-inline: 16px; }
    .hero__badges { grid-template-columns: 1fr; gap: 10px; }
    .cases__grid { grid-template-columns: 1fr; }
    .trust__inner { grid-template-columns: 1fr; gap: 18px; }
    .options--grid-2 { grid-template-columns: 1fr; }
    .options--grid-3 { grid-template-columns: repeat(2, 1fr); }
    .form { padding: 22px 18px; border-radius: var(--radius-lg); }
    .step__question { font-size: 19px; }
    .btn--lg { width: 100%; }
    .step__nav { flex-wrap: wrap; }
    .step__nav .btn--primary { width: 100%; min-width: 0; order: -1; }
    .step__nav .btn--ghost { flex: 1; }
    .hero__cta-row .btn { width: 100%; }
}

/* a11y */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}