/* Zimin Invest — Modern Material Design */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-surface-hover: #f5f5f5;
    --color-text: #1a1a2e;
    --color-text-secondary: #5c5c7a;
    --color-text-muted: #9e9eb5;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --color-accent-light: #dbeafe;
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-border: #e5e5f0;
    --color-border-light: #f0f0f5;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --container: min(1200px, 100% - 4rem);
    --header-h: 72px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 4px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.04), 0 10px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.08), 0 20px 60px rgba(0,0,0,0.06);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main { flex: 1; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; margin: 0; padding: 0; }

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

.container {
    width: var(--container);
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (max-width: 600px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
}

@media (min-width: 768px) {
    .container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-h);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 1px 8px rgba(0,0,0,0.03);
    transition: var(--transition-base);
}

.header--scrolled {
    background: rgba(255, 255, 255, 0.95);
}

.header--over-hero {
    background: transparent;
    border-bottom-color: transparent;
    box-shadow: none;
}

.header--over-hero.header--scrolled {
    background: rgba(10, 10, 15, 0.85);
    border-bottom-color: rgba(255,255,255,0.1);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 2rem;
}

.logo {
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    color: var(--color-text);
    transition: var(--transition-fast);
}

.header--over-hero .logo { color: #ffffff; }

.nav {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav a, .nav .nav__link {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

.header--over-hero .nav a,
.header--over-hero .nav .nav__link { color: rgba(255,255,255,0.8); }

.nav a:hover, .nav .nav__link:hover { color: var(--color-accent); }

.header--over-hero .nav a:hover,
.header--over-hero .nav .nav__link:hover { color: #ffffff; }

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.nav a:hover::after { width: 100%; }

.nav__item--dropdown { position: relative; }

.nav__dropdown {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 220px;
    padding: 0.5rem;
    list-style: none;
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 50;
}

.nav__item--dropdown:hover .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav__dropdown a {
    display: block;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav__dropdown a:hover {
    background: var(--color-accent-light);
    color: var(--color-accent);
}

.nav__dropdown a::after { display: none; }

.header--over-hero .nav__dropdown {
    background: rgba(20, 20, 30, 0.95);
    border-color: rgba(255, 255, 255, 0.1);
}

.header--over-hero .nav__dropdown a {
    color: rgba(255, 255, 255, 0.9);
}

.header--over-hero .nav__dropdown a:hover {
    background: rgba(37, 99, 235, 0.3);
    color: #ffffff;
}

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

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: var(--transition-fast);
}

.header--over-hero .burger span { background: #ffffff; }

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

.burger.is-open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0.2);
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0);
    transition: var(--transition-fast);
}

.btn:hover::before { background: rgba(255,255,255,0.1); }

.btn:active { transform: scale(0.98); }

.btn--primary {
    background: var(--color-accent);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.btn--primary:hover {
    background: var(--color-accent-hover);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
    transform: translateY(-1px);
}

.btn--outline {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}

.btn--outline:hover {
    background: var(--color-surface);
    border-color: var(--color-text);
    box-shadow: var(--shadow-sm);
}

.header--over-hero .btn--outline {
    border-color: rgba(255,255,255,0.4);
    color: #ffffff;
}

.header--over-hero .btn--outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: #ffffff;
}

.btn--lg {
    padding: 0.875rem 1.5rem;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
}

@media (max-width: 600px) {
    .btn--lg {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
}

/* ===== HERO ===== */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100svh;
    padding: calc(var(--header-h) + 2rem) 0 4rem;
    overflow: hidden;
}

.hero__video-wrap {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero__video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 10, 20, 0.92) 0%, rgba(10, 10, 20, 0.7) 50%, rgba(10, 10, 20, 0.9) 100%);
    z-index: 1;
}

.hero__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem 1rem;
    color: #ffffff;
    max-width: 900px;
}

.hero__label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin: 0 0 1rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero__title {
    font-size: clamp(2rem, 8vw, 4.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin: 0 0 1rem;
    text-transform: uppercase;
    color: #ffffff;
    animation: fadeInUp 0.8s ease-out 0.1s backwards;
}

.hero__title span { display: block; }

.hero__subtitle {
    font-size: 1rem;
    color: rgba(255,255,255,0.75);
    margin: 0 0 2rem;
    font-weight: 400;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero__content .btn {
    animation: fadeInUp 0.8s ease-out 0.3s backwards;
    padding: 0.875rem 1.75rem;
    font-size: 0.95rem;
}

/* ===== INTRO ===== */
.intro {
    padding: 4rem 1.5rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.intro__text {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin: 0 0 1.5rem;
    line-height: 1.7;
    font-weight: 400;
}

.intro .btn {
    margin-top: 0.75rem;
}

/* ===== SECTION TITLE ===== */
.section-title {
    font-size: clamp(1.5rem, 5vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

/* ===== STATS ===== */
.stats {
    padding: 4rem 1.5rem;
    background: var(--color-surface);
}

.stats .section-title { margin-bottom: 2rem; }

.stats__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    max-width: 1100px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .stats__grid { grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
}

.stat-card {
    text-align: center;
    padding: 1.5rem 1rem;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    transition: var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    border-color: var(--color-accent-light);
}

.stat-card__value {
    display: block;
    font-size: clamp(1.75rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1;
    color: var(--color-accent);
    letter-spacing: -0.02em;
}

.stat-card__label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
    font-weight: 500;
}

/* ===== EDGE ===== */
.edge {
    padding: 4rem 1.5rem;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
}

.edge__lead {
    max-width: 750px;
    margin: 0 auto 1rem;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.edge__subtitle {
    text-align: center;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    margin: 0 0 2rem;
    font-weight: 600;
}

.edge__cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .edge__cards { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
}

.edge-card {
    padding: 1.5rem;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    text-align: center;
    transition: var(--transition-base);
}

.edge-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent-light);
}

.edge-card__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
    color: var(--color-accent);
}

.edge-card__text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* ===== CHECKLIST ===== */
.checklist {
    padding: 4rem 1.5rem;
    background: var(--color-surface);
}

.checklist__wrap {
    display: flex;
    align-items: flex-start;
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
}

.checklist__image-wrap {
    width: 40%;
    flex-shrink: 0;
    aspect-ratio: 4/5;
    background: linear-gradient(135deg, var(--color-accent-light) 0%, #e0e7ff 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.checklist__list { flex: 1; }

.checklist__list li {
    position: relative;
    padding: 1rem 0 1rem 2.5rem;
    color: var(--color-text);
    font-size: 1rem;
    border-bottom: 1px solid var(--color-border-light);
    transition: var(--transition-fast);
}

.checklist__list li:last-child { border-bottom: none; }

.checklist__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background: var(--color-accent);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-size: 12px;
    background-position: center;
    background-repeat: no-repeat;
}

.checklist__list li:hover { color: var(--color-accent); }

@media (max-width: 768px) {
    .checklist__wrap { flex-direction: column; gap: 1.5rem; }
    .checklist__image-wrap { width: 100%; aspect-ratio: 16/9; }
}

/* ===== PERSONALIZED ===== */
.personalized {
    padding: 4rem 1.5rem;
    background: var(--color-bg);
}

.personalized .section-title { margin-bottom: 1rem; }

.personalized__text {
    max-width: 750px;
    margin: 0 auto 2rem;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.objects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .objects-grid { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
}

.object-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    transition: var(--transition-base);
}

.object-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.object-card__link { display: block; color: inherit; }

.object-card__img-wrap {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-bg);
}

.object-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

.object-card:hover .object-card__img { transform: scale(1.03); }

.object-card__body {
    padding: 1.25rem;
}

.object-card__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 0.35rem;
    color: var(--color-text);
}

.object-card__desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0 0 0.75rem;
}

.object-card__cta {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: var(--transition-fast);
}

.object-card:hover .object-card__cta { gap: 0.5rem; }

@media (max-width: 768px) {
    .objects-grid { grid-template-columns: 1fr; }
}

/* ===== CONTACT ===== */
.contact {
    padding: 4rem 1.5rem;
    background: var(--color-surface);
}

.contact__title { margin-bottom: 2rem; }

.contact__message {
    max-width: var(--container);
    margin: 0 auto 1.5rem;
    padding: 1rem 1.5rem;
    font-size: 0.9rem;
    border-radius: var(--radius-md);
}

.contact__message--success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.contact__message--error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.contact-form {
    display: flex;
    align-items: stretch;
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    min-height: auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.contact-form__image-side {
    width: 45%;
    background: linear-gradient(135deg, var(--color-accent) 0%, #4f46e5 100%);
    background-size: cover;
    background-position: center;
}

.contact-form__fields {
    width: 55%;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--color-surface);
}

.contact-form__fields .contact-form__label { width: 100%; margin-bottom: 1rem; }
.contact-form__fields .contact-form__label:last-of-type { margin-bottom: 1rem; }
.contact-form__fields .contact-form__label input,
.contact-form__fields .contact-form__label textarea { width: 100%; box-sizing: border-box; }
.contact-form__fields .btn { width: 100%; }

.contact-form__label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
}

.contact-form__label input,
.contact-form__label textarea {
    padding: 0.75rem 1rem;
    font-family: var(--font-main);
    font-size: 0.95rem;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.contact-form__label textarea { min-height: 80px; resize: vertical; }

.contact-form__label input::placeholder,
.contact-form__label textarea::placeholder { color: var(--color-text-muted); }

.contact-form__label input:focus,
.contact-form__label textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

@media (max-width: 900px) {
    .contact-form { flex-direction: column; min-height: auto; }
    .contact-form__image-side { width: 100%; min-height: 160px; }
    .contact-form__fields { width: 100%; padding: 1.5rem; }
}

/* ===== FOOTER ===== */
.footer {
    padding: 2rem 1.5rem;
    background: var(--color-text);
    color: rgba(255,255,255,0.7);
}

.footer__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.footer__logo { font-weight: 700; font-size: 1.1rem; color: #ffffff; }
.footer__copy { margin: 0; font-size: 0.9rem; }

/* ===== MODAL ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.modal[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

.modal__box {
    position: relative;
    width: 100%;
    max-width: 420px;
    padding: 1.5rem;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    transform: translateY(20px) scale(0.95);
    transition: var(--transition-base);
    margin: 1rem;
}

.modal[aria-hidden="false"] .modal__box {
    transform: translateY(0) scale(1);
}

.modal__close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--color-text-muted);
    background: var(--color-bg);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal__close:hover {
    background: var(--color-border);
    color: var(--color-text);
}

.modal__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    padding-right: 2rem;
}

.modal__text {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin: 0 0 1rem;
}

.modal .contact-form__label { margin-bottom: 0.75rem; }
.modal .contact-form__label:last-of-type { margin-bottom: 0.75rem; }
.modal .btn { padding: 0.75rem 1.5rem; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== MOBILE NAV ===== */
@media (max-width: 900px) {
    .header__inner {
        position: relative;
        z-index: 260; /* keep header content above mobile nav overlay */
    }

    .nav { display: none; }
    .nav.is-open { display: none !important; }
    
    .header__actions { margin-left: auto; }
    
    .header__cta {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        padding: 0;
        border: none;
        background: transparent;
    }
    
    .header__cta:hover {
        background: transparent;
        border: none;
    }
    
    .header__cta .header__cta-text { display: none; }
    
    .header__cta .header__cta-icon { display: block; }
    
    .burger {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        padding: 0;
    }

    /* ===== MOBILE MENU (separate div) ===== */
    .mobile-menu {
        position: fixed;
        inset: 0;
        z-index: 230;
        display: none;
    }

    .mobile-menu.is-open {
        display: block;
    }

    .mobile-menu__backdrop {
        position: absolute;
        inset: 0;
        background: rgba(0, 0, 0, 0.55);
    }

    .mobile-menu__panel {
        position: relative;
        height: 100%;
        width: 100%;
        overflow-y: auto;
        padding: calc(var(--header-h) + 1.25rem) 1rem 1.5rem;
        background: rgba(255, 255, 255, 0.98);
    }

    .header--over-hero .mobile-menu__panel {
        background: rgba(10, 10, 15, 0.98);
    }

    .mobile-menu__close {
        position: absolute;
        top: 0.75rem;
        right: 0.75rem;
        width: 44px;
        height: 44px;
        border-radius: 14px;
        border: 1px solid var(--color-border);
        background: var(--color-surface);
        color: var(--color-text);
        font-size: 1.8rem;
        line-height: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        z-index: 5;
    }

    .header--over-hero .mobile-menu__close {
        background: rgba(255, 255, 255, 0.08);
        border-color: rgba(255, 255, 255, 0.12);
        color: #fff;
    }

    .mobile-menu__nav {
        display: flex;
        flex-direction: column;
        gap: 0.55rem;
        max-width: 560px;
        margin: 0 auto;
    }

    .mobile-menu__link {
        display: block;
        width: 100%;
        padding: 0.9rem 0.95rem;
        border-radius: var(--radius-sm);
        background: var(--color-bg);
        color: var(--color-text);
        font-weight: 650;
        font-size: 1.05rem;
        text-align: left;
        text-decoration: none;
        transition: var(--transition-fast);
    }

    .mobile-menu__link:hover {
        background: var(--color-surface-hover);
    }

    .header--over-hero .mobile-menu__link {
        background: rgba(255, 255, 255, 0.08);
        color: #fff;
    }

    .header--over-hero .mobile-menu__link:hover {
        background: rgba(255, 255, 255, 0.14);
    }

    .mobile-menu__link--child {
        margin-top: 0.25rem;
        margin-left: 0; /* keep full width so right padding matches */
        padding-top: 0.65rem;
        padding-bottom: 0.65rem;
        padding-left: 1.85rem; /* indentation without shifting width */
        padding-right: 0.85rem;
        font-weight: 600;
        font-size: 0.95rem;
        background: rgba(37, 99, 235, 0.08);
        color: var(--color-accent);
    }

    .header--over-hero .mobile-menu__link--child {
        background: rgba(37, 99, 235, 0.18);
        color: #cfe0ff;
    }

    .mobile-menu__children {
        display: flex;
        flex-direction: column;
    }
    
    .nav.is-open {
        display: flex;
        position: fixed;
        inset: 0;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        padding-top: calc(var(--header-h) + 1.25rem);
        padding-left: 1rem;
        padding-right: 1rem;
        gap: 0.75rem;
        background: var(--color-surface);
        z-index: 200;
        animation: fadeIn 0.2s ease-out;
        overflow-y: auto;
    }
    
    .header--over-hero .nav.is-open { background: rgba(10, 10, 15, 0.98); }
    
    .nav.is-open a,
    .nav.is-open .nav__link {
        width: 100%;
        font-size: 1.1rem;
        padding: 0.5rem 1rem;
        text-align: left;
    }
    
    .nav.is-open .nav__item--dropdown {
        display: flex;
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav.is-open .nav__dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        background: transparent;
        padding: 0.25rem 0 0 0;
        transform: none;
    }
    
    .nav.is-open .nav__dropdown a {
        font-size: 0.95rem;
        padding: 0.35rem 0.5rem;
        width: 100%;
    }
}

/* ===== RESPONSIVE LAYOUT FIXES ===== */
body {
    overflow-x: hidden;
}

section {
    scroll-margin-top: calc(var(--header-h) + 12px);
}

.intro,
.stats,
.edge,
.checklist,
.personalized,
.contact {
    padding-top: clamp(3rem, 6vw, 5rem);
    padding-bottom: clamp(3rem, 6vw, 5rem);
}

.hero__content .btn {
    max-width: 100%;
}

.checklist__list li {
    line-height: 1.45;
}

.contact-form__fields {
    gap: 0.75rem;
}

.contact-form__label {
    margin: 0;
}

.footer__copy {
    text-align: right;
}

@media (max-width: 1200px) {
    .header__inner {
        gap: 1rem;
    }

    .nav {
        gap: 1.25rem;
    }

    .nav a,
    .nav .nav__link {
        font-size: 0.86rem;
    }

    .hero__content {
        max-width: 760px;
    }
}

@media (max-width: 900px) {
    :root {
        --header-h: 64px;
    }

    .header {
        background: rgba(255, 255, 255, 0.98);
        z-index: 300;
    }

    .header--over-hero {
        background: rgba(10, 10, 15, 0.9);
        border-bottom-color: rgba(255, 255, 255, 0.08);
    }

    .header__inner {
        gap: 0.5rem;
    }

    .logo {
        font-size: 1.1rem;
    }

    .header__actions {
        gap: 0.35rem;
    }

    .header__cta {
        width: 42px;
        height: 42px;
        border-radius: 10px;
    }

    .nav.is-open {
        inset: 0;
        align-items: stretch;
        justify-content: flex-start;
        padding: calc(var(--header-h) + 1.25rem) 1rem 1.5rem;
        gap: 0.35rem;
        background: rgba(255, 255, 255, 0.99);
        z-index: 200;
        border-top: 1px solid var(--color-border-light);
        box-shadow: 0 18px 40px rgba(14, 20, 42, 0.18);
    }

    .nav.is-open a,
    .nav.is-open .nav__link {
        width: 100%;
        padding: 0.8rem 0.9rem;
        border-radius: var(--radius-sm);
        font-size: 1rem;
        font-weight: 600;
        background: var(--color-bg);
        color: var(--color-text);
        text-align: left;
    }

    .header--over-hero .nav.is-open a,
    .header--over-hero .nav.is-open .nav__link {
        background: rgba(255, 255, 255, 0.08);
        color: #fff;
    }

    .header--over-hero .nav.is-open {
        background: rgba(10, 10, 15, 0.98);
        border-top-color: rgba(255, 255, 255, 0.08);
    }

    .nav.is-open .nav__item--dropdown {
        align-items: stretch;
    }

    .nav.is-open .nav__dropdown {
        margin-top: 0.35rem;
        border-radius: var(--radius-sm);
    }

    .nav.is-open .nav__dropdown a {
        font-size: 0.92rem;
        padding: 0.55rem 0.75rem;
        width: 100%;
        opacity: 0.92;
    }

    .hero {
        min-height: 86svh;
        padding: calc(var(--header-h) + 1.5rem) 0 2.75rem;
    }

    .hero__content {
        padding: 1.25rem 0.35rem;
    }

    .hero__label {
        letter-spacing: 0.15em;
        margin-bottom: 0.65rem;
    }

    .hero__subtitle {
        font-size: 0.96rem;
        margin-bottom: 1.5rem;
    }

    .section-title {
        line-height: 1.2;
    }

    .stats__grid {
        gap: 0.75rem;
    }

    .stat-card {
        padding: 1.1rem 0.7rem;
    }

    .stat-card__label {
        font-size: 0.7rem;
    }

    .edge__cards,
    .objects-grid {
        gap: 1rem;
    }

    .edge-card,
    .object-card__body {
        padding: 1rem;
    }

    .checklist__list li {
        padding: 0.8rem 0 0.8rem 2rem;
        font-size: 0.94rem;
    }

    .checklist__list li::before {
        width: 16px;
        height: 16px;
        background-size: 10px;
    }

    .contact-form {
        border-radius: var(--radius-md);
    }

    .contact-form__fields {
        padding: 1.1rem;
    }

    .contact-form__label input,
    .contact-form__label textarea {
        font-size: 16px;
    }

    .modal {
        align-items: flex-end;
        padding: 0;
    }

    .modal__box {
        max-width: none;
        width: 100%;
        margin: 0;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        padding: 1.15rem 1rem 1rem;
    }

    .footer {
        padding: 1.35rem 1rem;
    }

    .footer__inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .footer__copy {
        text-align: left;
        font-size: 0.84rem;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 1.5rem, 1200px);
        padding-left: 0;
        padding-right: 0;
    }

    .hero {
        min-height: 82svh;
    }

    .hero__title {
        font-size: clamp(1.8rem, 10.5vw, 2.45rem);
        line-height: 1.08;
        letter-spacing: -0.02em;
    }

    .hero__content .btn,
    .intro .btn {
        width: 100%;
    }

    .intro__text,
    .edge__lead,
    .personalized__text {
        font-size: 0.96rem;
        line-height: 1.65;
    }

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

    .stat-card__value {
        font-size: clamp(1.55rem, 7.8vw, 2.1rem);
    }

    .section-title {
        margin-bottom: 0.8rem;
    }

    .contact__message {
        padding: 0.85rem 1rem;
    }

    .contact-form__image-side {
        min-height: 120px;
    }

    .contact-form__fields .btn {
        width: 100%;
    }
}