@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --color-dark: #0F172A;
    --color-dark-alt: #334155;
    --color-green: #22C55E;
    --color-blue: #2563EB;
    --color-gold: #F59E0B;
    --color-white: #FFFFFF;
    --color-muted: #F3F4F6;
    --color-text: #1E293B;
    --color-border: #E2E8F0;
    --max-width: 1200px;
    --transition: 0.2s ease-in-out;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--color-text);
    background-color: var(--color-white);
    margin: 0;
    line-height: 1.6;
}

a {
    color: var(--color-blue);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    display: block;
    border-radius: 12px;
}

.container {
    width: min(100% - 2rem, var(--max-width));
    margin: 0 auto;
}

.section {
    padding: 4.5rem 0;
}

.section--muted {
    background-color: var(--color-muted);
}

.section--accent {
    background-color: var(--color-dark);
    color: var(--color-white);
}

.section--accent h2,
.section--accent h3,
.section--accent p {
    color: var(--color-white);
}

.section--contact {
    background-color: var(--color-blue);
    color: var(--color-white);
}

.section--contact h2,
.section--contact p,
.section--contact label {
    color: var(--color-white);
}

/* Header */
.site-header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
}

.logo {
    font-weight: 700;
    color: var(--color-dark);
    font-size: 1.2rem;
}

.desktop-nav ul {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.desktop-nav a {
    font-weight: 500;
    color: var(--color-dark-alt);
}

.desktop-nav a.is-active {
    color: var(--color-blue);
}

.nav-toggle {
    display: none;
}

.burger {
    display: none;
    width: 2rem;
    height: 1.4rem;
    position: relative;
    cursor: pointer;
}

.burger span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 0.2rem;
    background-color: var(--color-dark);
    transition: var(--transition);
}

.burger span:nth-child(1) {
    top: 0;
}

.burger span:nth-child(2) {
    top: 0.6rem;
}

.burger span:nth-child(3) {
    bottom: 0;
}

.mobile-overlay {
    display: none;
}

/* Hero */
.hero {
    background: linear-gradient(120deg, rgba(15, 23, 42, 0.04), rgba(37, 99, 235, 0.08));
}

.hero--subpage {
    background: linear-gradient(120deg, rgba(37, 99, 235, 0.12), rgba(34, 197, 94, 0.08));
}

.hero__container {
    display: grid;
    gap: 3rem;
    align-items: center;
}

.hero__container--sub {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero__container--single {
    max-width: 760px;
}

.hero__content h1 {
    color: var(--color-dark);
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 1rem;
}

.hero--subpage .hero__content h1 {
    color: var(--color-dark);
}

.hero__content p {
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.hero__cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__info {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    font-size: 0.95rem;
}

.hero__info-title {
    display: block;
    font-weight: 600;
    color: var(--color-dark-alt);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn--primary {
    background-color: var(--color-green);
    color: var(--color-dark);
}

.btn--primary:hover {
    background-color: #1da64b;
}

.btn--secondary {
    background-color: var(--color-white);
    color: var(--color-dark);
    border: 1px solid var(--color-border);
}

.btn--secondary:hover {
    background-color: var(--color-muted);
}

/* Layout utilities */
.split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3rem;
    align-items: center;
}

.grid {
    display: grid;
    gap: 2rem;
}

.grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* Cards */
.card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.06);
    transition: transform var(--transition);
}

.card:hover {
    transform: translateY(-4px);
}

.card--light {
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.28);
    box-shadow: none;
}

.card--light h3,
.card--light p {
    color: inherit;
}

/* Data points */
.data-points {
    list-style: none;
    margin: 2rem 0 0;
    padding: 0;
    display: grid;
    gap: 1.5rem;
}

.data-points__value {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-blue);
    display: block;
}

.data-points__label {
    color: var(--color-dark-alt);
}

/* Timeline */
.timeline {
    display: grid;
    gap: 1.5rem;
}

.timeline__item {
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 1.75rem;
}

.timeline--vertical .timeline__item {
    background-color: var(--color-white);
    border-color: rgba(15, 23, 42, 0.08);
}

.timeline__step {
    display: inline-block;
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
}

/* Metrics */
.metric-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    text-align: center;
}

.metric-card__value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-blue);
    display: block;
    margin-bottom: 0.75rem;
}

/* Forms */
.form {
    display: grid;
    gap: 1.5rem;
    background-color: rgba(255, 255, 255, 0.12);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(6px);
}

.section:not(.section--contact) .form {
    background-color: var(--color-white);
    border: 1px solid rgba(15, 23, 42, 0.08);
}

.form__row {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form__field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form label {
    font-weight: 600;
    color: inherit;
}

.form input,
.form textarea {
    border: 1px solid rgba(51, 65, 85, 0.2);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--color-white);
    color: var(--color-text);
}

.section--contact .form input,
.section--contact .form textarea {
    background-color: rgba(255, 255, 255, 0.16);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.section--contact .form input::placeholder,
.section--contact .form textarea::placeholder {
    color: rgba(255, 255, 255, 0.65);
}

/* Services */
.services-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.service-card {
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background-color: var(--color-white);
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
}

/* Process */
.process {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.process__step {
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background-color: var(--color-white);
    position: relative;
}

.process__number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-weight: 700;
    color: var(--color-gold);
    font-size: 1.5rem;
}

/* FAQ */
.faq__list {
    display: grid;
    gap: 1rem;
}

.faq-item {
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 12px;
    background-color: var(--color-white);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.2rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--color-blue);
    margin-left: 1rem;
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    display: none;
    color: var(--color-dark-alt);
    line-height: 1.6;
}

.faq-item.is-open .faq-answer {
    display: block;
}

/* Contact page */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.contact-info__block {
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background-color: var(--color-white);
}

/* Submission list */
.submission-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
    display: grid;
    gap: 0.75rem;
}

/* Footer */
.site-footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding-top: 3rem;
}

.footer__container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem;
    padding-bottom: 2.5rem;
}

.footer__about p,
.footer__contact p {
    margin: 0.3rem 0;
}

.footer__nav h4 {
    margin-bottom: 1rem;
    color: var(--color-gold);
}

.footer__nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.5rem;
}

.footer__nav a {
    color: var(--color-white);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    text-align: center;
    padding: 1.25rem 0;
}

.footer__bottom p {
    margin: 0;
}

/* Cookie banner */
.cookie-banner {
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    max-width: 960px;
    width: calc(100% - 2rem);
    background-color: var(--color-dark);
    color: var(--color-white);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.4);
    display: none;
    z-index: 200;
}

.cookie-banner__container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: center;
    justify-content: space-between;
}

.cookie-banner__text h2 {
    margin: 0 0 0.5rem 0;
    color: var(--color-white);
}

.cookie-banner__text p {
    margin: 0;
    max-width: 540px;
}

.cookie-banner__actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.cookie-banner__link {
    color: var(--color-gold);
}

/* Thanks page */
.thanks-body .hero {
    background: linear-gradient(120deg, rgba(34, 197, 94, 0.1), rgba(37, 99, 235, 0.1));
}

/* Table */
.table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    border: 1px solid rgba(15, 23, 42, 0.12);
    text-align: left;
}

.table th {
    background-color: var(--color-muted);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 1024px) {
    .desktop-nav {
        display: none;
    }

    .burger {
        display: block;
    }

    .mobile-overlay {
        position: fixed;
        inset: 0;
        background-color: rgba(15, 23, 42, 0.95);
        color: var(--color-white);
        display: none;
        flex-direction: column;
        padding: 2rem;
        z-index: 150;
    }

    .mobile-overlay__header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-weight: 600;
        margin-bottom: 2rem;
    }

    .close-btn {
        font-size: 2rem;
        cursor: pointer;
        color: var(--color-white);
    }

    .mobile-nav ul {
        list-style: none;
        padding: 0;
        margin: 0;
        display: grid;
        gap: 1.5rem;
        font-size: 1.4rem;
    }

    .mobile-nav a {
        color: var(--color-white);
    }

    .nav-toggle:checked ~ .mobile-overlay {
        display: flex;
    }

    .hero__container,
    .split,
    .grid--3,
    .grid--2 {
        grid-template-columns: 1fr;
    }

    .hero__info {
        flex-direction: column;
        gap: 1rem;
    }

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

    .cookie-banner__container {
        flex-direction: column;
        align-items: flex-start;
    }

    .cookie-banner__actions {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 600px) {
    .section {
        padding: 3.5rem 0;
    }

    .hero__content h1 {
        font-size: clamp(1.8rem, 6vw, 2.4rem);
    }

    .card,
    .service-card,
    .metric-card,
    .process__step {
        padding: 1.5rem;
    }

    .cookie-banner {
        bottom: 0.5rem;
        border-radius: 12px;
        padding: 1.25rem;
    }
}