.site-header {
    position: sticky;
    top: var(--header-offset);
    z-index: 100;
    padding: 0 18px;
    margin-bottom: -60px;
}

@media (min-width: 375px) {
    .site-header {
        padding: 0 24px;
    }
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 20px;
    border-radius: var(--radius-pill);
    background: rgba(255, 252, 247, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
}

.logo-link {
    flex-shrink: 0;
}

.logo-link img {
    height: 28px;
    width: auto;
}

.nav-desktop {
    display: none;
    align-items: center;
    gap: 6px;
}

@media (min-width: 768px) {
    .nav-desktop {
        display: flex;
    }
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: background 0.2s, color 0.2s;
}

.nav-link:hover {
    background: var(--cream-bg);
    color: var(--text-primary);
}

.header-phone {
    display: none;
    align-items: center;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    background: var(--mint);
    color: var(--ink);
    font-size: 0.8125rem;
    font-weight: 600;
}

@media (min-width: 1024px) {
    .header-phone {
        display: inline-flex;
    }
}

.burger-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
}

@media (min-width: 768px) {
    .burger-btn {
        display: none;
    }
}

.burger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--ink);
    border-radius: 1px;
    transition: transform 0.2s, opacity 0.2s;
}

.burger-btn[aria-expanded="true"] .burger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.burger-btn[aria-expanded="true"] .burger-line:nth-child(2) {
    opacity: 0;
}

.burger-btn[aria-expanded="true"] .burger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(30, 20, 40, 0.4);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.nav-drawer-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.nav-drawer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 201;
    background: var(--surface);
    border-radius: 24px 24px 0 0;
    padding: 24px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    max-height: 70vh;
    overflow-y: auto;
}

.nav-drawer.is-open {
    transform: translateY(0);
}

.nav-drawer-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.nav-drawer-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 32px;
}

.nav-drawer-links a {
    display: block;
    padding: 14px 16px;
    border-radius: 12px;
    font-weight: 500;
}

.nav-drawer-links a:hover {
    background: var(--cream-bg);
}

.nav-drawer-phone {
    display: inline-flex;
    margin-top: 16px;
    padding: 12px 20px;
    border-radius: var(--radius-pill);
    background: var(--mint);
    color: var(--ink);
    font-weight: 600;
}

.hero-survey {
    background: var(--hero-gradient);
    color: var(--text-on-dark);
    padding-top: 80px;
    padding-bottom: var(--section-gap-mobile);
    position: relative;
    overflow: hidden;
}

.hero-survey::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('../images/pattern-hero.svg');
    background-repeat: repeat;
    opacity: 0.08;
    pointer-events: none;
}

.hero-grid {
    position: relative;
    display: grid;
    gap: 32px;
    align-items: center;
}

@media (min-width: 768px) {
    .hero-grid {
        grid-template-columns: 55fr 45fr;
        gap: 40px;
    }

    .hero-survey {
        padding-bottom: var(--section-gap-desktop);
    }
}

.hero-survey h1 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 16px;
}

@media (min-width: 1024px) {
    .hero-survey h1 {
        font-size: 3.25rem;
    }
}

.hero-subtitle {
    font-size: 1rem;
    line-height: 1.65;
    color: rgba(244, 239, 230, 0.85);
    max-width: 540px;
}

.hero-image-wrap {
    border-radius: 32px;
    overflow: hidden;
    border: 1.5px solid rgba(244, 239, 230, 0.2);
}

.hero-image-wrap img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.site-footer {
    background: var(--cream-bg);
    padding-top: 48px;
}

.footer-grid {
    display: grid;
    gap: 32px;
    margin-bottom: 40px;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-col h3 {
    font-family: var(--font-serif);
    font-size: 1rem;
    margin-bottom: 16px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--plum);
}

.footer-cookie-link {
    color: var(--mint-hover);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
}

.footer-bar {
    background: var(--ink);
    color: var(--text-on-dark);
    padding: 16px 24px;
    text-align: center;
    font-size: 0.8125rem;
}