/* ==========================================================================
   NUIT ÉTOILE — Premium Modern Dark Design System
   Leonar Landing Page
   ========================================================================== */

/* ---------- CSS VARIABLES ---------- */
:root {
    /* Core Colors — Deep Blue-Charcoal (NOT pure black) */
    --color-bg: #0D0F16;
    --color-bg-alt: #131620;
    --color-bg-card: #181B25;
    --color-text-heading: #E8E6F0;
    --color-text-body: #B0AEB8;
    --color-text-muted: #7A7888;
    --color-text-light: #4E4C5A;

    /* Accent Colors — Soft Indigo + Warm Amber */
    --color-sage: #7B8CEB;
    --color-sage-light: #95A3F0;
    --color-sage-faint: rgba(123, 140, 235, 0.10);
    --color-rose-gold: #D4A574;
    --color-rose-gold-light: #E0B888;
    --color-rose-gold-faint: rgba(212, 165, 116, 0.12);

    /* Borders & Lines */
    --color-border: rgba(255, 255, 255, 0.07);
    --color-border-hover: rgba(255, 255, 255, 0.14);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.45);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.40);

    /* Typography */
    --font-serif: 'Cormorant Garamond', 'Georgia', 'Times New Roman', serif;
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Layout */
    --max-width: 1280px;
    --section-pad: clamp(80px, 10vh, 140px);
    --content-pad: clamp(20px, 4vw, 48px);

    /* Transitions */
    --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --transition: 0.35s var(--ease-smooth);
    --transition-fast: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text-body);
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.7;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
    background: none;
}

ul, ol {
    list-style: none;
}

::selection {
    background: var(--color-sage-faint);
    color: var(--color-sage);
}

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    color: var(--color-text-heading);
    font-weight: 400;
    line-height: 1.15;
}

h1 {
    font-size: clamp(3rem, 8vw, 6.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.3rem, 2.2vw, 1.8rem);
}

h4 {
    font-size: 1.1rem;
    font-weight: 500;
    font-family: var(--font-sans);
}

.section-label {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-sage);
    margin-bottom: 16px;
}

.section-desc {
    max-width: 600px;
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ---------- LAYOUT CONTAINER ---------- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--content-pad);
}

section {
    padding: var(--section-pad) 0;
}

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-sage);
    color: #0D0F16;
    font-weight: 700;
    border: 1px solid var(--color-sage);
}

.btn-primary:hover {
    background: var(--color-sage-light);
    border-color: var(--color-sage-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(123, 140, 235, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-heading);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-text-heading);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--color-sage);
    border: 1px solid transparent;
    padding: 10px 0;
}

.btn-ghost:hover {
    color: var(--color-sage-light);
}

.btn-ghost::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--color-sage);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out);
}

.btn-ghost:hover::after {
    transform: scaleX(1);
}

.btn-block {
    width: 100%;
}

/* ---------- HEADER / NAVIGATION ---------- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(13, 15, 22, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.main-header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.logo-name {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-text-heading);
    letter-spacing: 0.08em;
    line-height: 1.1;
}

.logo-sub {
    font-family: var(--font-sans);
    font-size: 0.58rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--color-rose-gold);
    line-height: 1;
    margin-top: 2px;
}

.nav-menu ul {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
    transition: var(--transition-fast);
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--color-sage);
    transition: width 0.3s var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-heading);
}

.nav-link.active::after,
.nav-link:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-nav {
    padding: 10px 24px;
    font-size: 0.78rem;
    background: var(--color-sage);
    color: #fff;
    border: 1px solid var(--color-sage);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    letter-spacing: 0.04em;
    transition: var(--transition);
}

.btn-nav:hover {
    background: var(--color-sage-light);
    transform: translateY(-1px);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    width: 28px;
    height: 20px;
    position: relative;
    cursor: pointer;
    background: none;
    border: none;
}

.mobile-toggle span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: var(--color-text-heading);
    border-radius: 2px;
    transition: 0.3s ease;
}

.mobile-toggle span:nth-child(1) { top: 0; }
.mobile-toggle span:nth-child(2) { top: 9px; }
.mobile-toggle span:nth-child(3) { top: 18px; }

.mobile-toggle.active span:nth-child(1) {
    top: 9px; transform: rotate(45deg);
}
.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}
.mobile-toggle.active span:nth-child(3) {
    top: 9px; transform: rotate(-45deg);
}

/* ---------- 1. HERO SECTION ---------- */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 72px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 5%;
    right: -15%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(123, 140, 235, 0.08), transparent 65%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -12%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.06), transparent 65%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-portrait {
    position: absolute;
    top: 72px;
    bottom: 0;
    width: min(34vw, 520px);
    z-index: 1;
    pointer-events: none;
    background-repeat: no-repeat;
    background-size: cover;
    opacity: 0.58;
    filter: saturate(0.88) contrast(1.05);
}

.hero-portrait::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to bottom, var(--color-bg) 0%, transparent 22%, transparent 68%, var(--color-bg) 100%),
        linear-gradient(to top, rgba(13, 15, 22, 0.48), rgba(13, 15, 22, 0.08));
}

.hero-portrait-left {
    left: 0;
    background-image: url('hero-leonar-left.png');
    background-position: 34% center;
    -webkit-mask-image: linear-gradient(to right, #000 48%, transparent 100%);
    mask-image: linear-gradient(to right, #000 48%, transparent 100%);
}

.hero-portrait-left::after {
    background:
        linear-gradient(to right, rgba(13, 15, 22, 0.1) 0%, rgba(13, 15, 22, 0.28) 48%, var(--color-bg) 100%),
        linear-gradient(to bottom, var(--color-bg) 0%, transparent 24%, transparent 70%, var(--color-bg) 100%);
}

.hero-portrait-right {
    right: 0;
    background-image: url('hero-leonar-right.png');
    background-position: 62% center;
    -webkit-mask-image: linear-gradient(to left, #000 50%, transparent 100%);
    mask-image: linear-gradient(to left, #000 50%, transparent 100%);
}

.hero-portrait-right::after {
    background:
        linear-gradient(to left, rgba(13, 15, 22, 0.08) 0%, rgba(13, 15, 22, 0.3) 50%, var(--color-bg) 100%),
        linear-gradient(to bottom, var(--color-bg) 0%, transparent 24%, transparent 70%, var(--color-bg) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 860px;
    padding: 0 var(--content-pad);
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--color-sage-faint);
    border-radius: 40px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-sage);
    margin-bottom: 32px;
}

.hero-label svg {
    width: 14px;
    height: 14px;
    stroke: var(--color-sage);
    fill: none;
    stroke-width: 2;
}

.hero-title {
    max-width: 820px;
    margin: 0 auto 24px;
    font-size: clamp(2.35rem, 5.2vw, 4.45rem);
    font-weight: 300;
    line-height: 1.08;
    text-wrap: balance;
}

.hero-title span {
    display: block;
    max-width: 760px;
    margin: 14px auto 0;
    font-size: 0.56em;
    line-height: 1.28;
    color: var(--color-text-body);
}

.hero-title em {
    font-style: italic;
    color: var(--color-sage);
}

.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: var(--color-text-muted);
    max-width: 620px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-light);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: float 2.5s ease-in-out infinite;
}

.hero-scroll-hint .scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-border), transparent);
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- Stats Row ---------- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--color-border);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    max-width: 640px;
    margin: 0 auto;
}

.stat-item {
    background: var(--color-bg-card);
    padding: 24px 16px;
    text-align: center;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 500;
    color: var(--color-text-heading);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ---------- 2. ABOUT SECTION ---------- */
.about-section {
    background: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 100px);
    align-items: start;
}

.about-text-side {
    padding-top: 20px;
}

.about-text-side h2 {
    margin-bottom: 24px;
}

.bio-text {
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--color-text-body);
    margin-bottom: 24px;
}

.quote-block {
    position: relative;
    padding: 28px 32px;
    margin: 32px 0;
    background: var(--color-bg-alt);
    border-left: 3px solid var(--color-rose-gold);
    border-radius: 0 8px 8px 0;
}

.quote-block blockquote {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-style: italic;
    color: var(--color-text-heading);
    line-height: 1.6;
}

.quote-block cite {
    display: block;
    margin-top: 12px;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-style: normal;
    color: var(--color-rose-gold);
    font-weight: 500;
}

/* Timeline */
.about-timeline-side {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.about-photo {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    margin-bottom: 44px;
    overflow: hidden;
}

.about-photo::before,
.about-photo::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.about-photo::before {
    background:
        linear-gradient(to bottom, rgba(13, 15, 22, 0.1), rgba(13, 15, 22, 0.18) 52%, var(--color-bg) 100%),
        linear-gradient(to right, var(--color-bg) 0%, transparent 18%, transparent 82%, var(--color-bg) 100%);
}

.about-photo::after {
    box-shadow: inset 0 0 80px rgba(13, 15, 22, 0.95);
}

.about-photo img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: 52% center;
    opacity: 0.78;
    filter: saturate(0.88) contrast(1.04);
    -webkit-mask-image: linear-gradient(to bottom, #000 72%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 72%, transparent 100%);
}

.about-email {
    display: block;
    width: fit-content;
    margin: -22px auto 38px;
    padding: 8px 16px;
    color: var(--color-rose-gold);
    font-size: 0.84rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-align: center;
    border: 1px solid rgba(212, 165, 116, 0.18);
    border-radius: 999px;
    background: rgba(13, 15, 22, 0.42);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.about-email:hover {
    color: var(--color-rose-gold-light);
    border-color: rgba(212, 165, 116, 0.32);
}

.timeline {
    position: relative;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 11px;
    bottom: 0;
    width: 1px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-bottom: 36px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 6px;
    left: -25px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--color-bg-card);
    border: 2px solid var(--color-sage);
    z-index: 1;
}

.timeline-date {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-rose-gold);
    margin-bottom: 6px;
}

.timeline-item h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.timeline-item p {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Ethics checklist */
.ethics-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
}

.ethics-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: var(--transition);
}

.ethics-item:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-sm);
}

.ethics-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-sage-faint);
    border-radius: 8px;
    font-size: 1rem;
}

.ethics-item span {
    font-size: 0.9rem;
    color: var(--color-text-body);
    line-height: 1.5;
    padding-top: 6px;
}

.about-more-btn,
.ethics-more-btn {
    margin-top: 18px;
    min-height: 52px;
    padding: 15px 26px;
    font-size: 0.85rem;
    color: #0D0F16;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    background: var(--color-sage);
    border: 1px solid var(--color-sage);
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition);
}

.about-more-btn {
    margin: 0 0 28px;
    background: var(--color-sage);
    color: #0D0F16;
    border-color: var(--color-sage);
    box-shadow: 0 8px 24px rgba(123, 140, 235, 0.25);
}

.about-more-btn:hover {
    background: var(--color-sage-light);
    border-color: var(--color-sage-light);
    color: #0D0F16;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(123, 140, 235, 0.32);
}

.about-more-btn::after,
.ethics-more-btn::after {
    content: '→';
    font-size: 1rem;
    line-height: 1;
    transition: transform 0.25s var(--ease-out);
}

.ethics-more-btn:hover {
    background: var(--color-sage-light);
    border-color: var(--color-sage-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(123, 140, 235, 0.25);
}

.about-more-btn:hover::after,
.ethics-more-btn:hover::after {
    transform: translateX(4px);
}

/* ---------- 3. SERVICES SECTION ---------- */
.services-section {
    background: var(--color-bg-alt);
}

.services-header {
    text-align: center;
    margin-bottom: clamp(40px, 6vw, 72px);
}

.services-header h2 {
    margin-bottom: 12px;
}

.services-header .section-desc {
    margin: 0 auto;
}

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

.service-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-sage);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-border-hover);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-num {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-rose-gold-faint);
    line-height: 1;
    position: absolute;
    top: 20px;
    right: 24px;
    opacity: 0.6;
    font-style: italic;
}

.service-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-sage-faint);
    border-radius: 12px;
    font-size: 1.4rem;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    flex-grow: 1;
}

.service-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-sage);
    margin-top: auto;
    transition: var(--transition-fast);
}

.service-card:hover .service-arrow {
    gap: 14px;
}

/* ---------- 4. QUIZ SECTION ---------- */
.quiz-section {
    background: var(--color-bg);
}

.quiz-container {
    max-width: 680px;
    margin: 0 auto;
}

.quiz-header {
    text-align: center;
    margin-bottom: 48px;
}

.quiz-header h2 {
    margin-bottom: 12px;
}

.quiz-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: clamp(32px, 5vw, 56px);
    box-shadow: var(--shadow-md);
}

.quiz-progress-wrap {
    margin-bottom: 36px;
}

.quiz-progress-bar {
    width: 100%;
    height: 3px;
    background: var(--color-border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 12px;
}

.quiz-progress-fill {
    height: 100%;
    background: var(--color-sage);
    border-radius: 3px;
    transition: width 0.5s var(--ease-out);
    width: 0%;
}

.quiz-step-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
}

/* Quiz Slides */
.quiz-slide {
    display: none;
}

.quiz-slide.active {
    display: block;
    animation: fadeSlide 0.4s var(--ease-out);
}

@keyframes fadeSlide {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.quiz-slide h3 {
    font-size: 1.4rem;
    margin-bottom: 28px;
    line-height: 1.3;
}

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

.quiz-option-btn {
    width: 100%;
    text-align: left;
    padding: 18px 24px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font-size: 0.95rem;
    color: var(--color-text-body);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.4;
}

.quiz-option-btn:hover {
    background: var(--color-sage-faint);
    border-color: var(--color-sage);
    color: var(--color-sage);
    transform: translateX(4px);
}

/* Quiz Form */
.quiz-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-heading);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-input:focus {
    border-color: var(--color-sage);
    box-shadow: 0 0 0 3px var(--color-sage-faint);
}

.form-input::placeholder {
    color: var(--color-text-light);
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

.messenger-selector {
    display: flex;
    gap: 12px;
}

.messenger-option {
    flex: 1;
    cursor: pointer;
}

.messenger-option input[type="radio"] {
    display: none;
}

.messenger-box {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.messenger-option input:checked + .messenger-box {
    border-color: var(--color-sage);
    background: var(--color-sage-faint);
    color: var(--color-sage);
}

/* Success State */
.success-message {
    text-align: center;
    padding: 40px 0;
}

.success-icon-wrap {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: var(--color-sage-faint);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-sage);
}

.success-message h3 {
    margin-bottom: 12px;
    color: var(--color-sage);
}

.success-message p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ---------- 5. ARTICLES SECTION ---------- */
.articles-section {
    background: var(--color-bg-alt);
}

.articles-header {
    text-align: center;
    margin-bottom: clamp(36px, 5vw, 60px);
}

.articles-header h2 {
    margin-bottom: 12px;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.article-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 32px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-border-hover);
}

.article-tag {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-rose-gold);
    background: var(--color-rose-gold-faint);
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 16px;
    width: fit-content;
}

.article-card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
    line-height: 1.25;
}

.article-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: 20px;
}

.article-read-more {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-sage);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.article-card:hover .article-read-more {
    gap: 12px;
}

/* Article Detail View */
.article-detail-view {
    max-width: 760px;
    margin: 0 auto;
}

.back-btn {
    margin-bottom: 32px;
}

.full-article-content h1.article-title-header {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    margin-bottom: 12px;
}

.full-article-content .article-meta-desc {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    font-style: italic;
}

.full-article-content .article-body-p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-body);
}

.full-article-content .article-body-p h2 {
    font-size: 1.5rem;
    margin: 36px 0 16px;
}

.full-article-content .article-body-p p {
    margin-bottom: 16px;
}

.full-article-content .article-lead {
    padding: 22px 26px;
    margin-bottom: 28px;
    background: var(--color-sage-faint);
    border: 1px solid rgba(123, 140, 235, 0.18);
    border-radius: 10px;
    color: var(--color-text-heading);
    font-size: 1.05rem;
    line-height: 1.75;
}

.full-article-content .article-body-p ul {
    list-style: disc;
    padding-left: 24px;
    margin-bottom: 16px;
}

.full-article-content .article-steps {
    counter-reset: article-step;
    display: grid;
    gap: 12px;
    list-style: none;
    padding-left: 0;
    margin: 22px 0 24px;
}

.full-article-content .article-steps li {
    counter-increment: article-step;
    position: relative;
    padding: 18px 20px 18px 58px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
}

.full-article-content .article-steps li::before {
    content: counter(article-step);
    position: absolute;
    top: 18px;
    left: 20px;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-sage);
    color: #0D0F16;
    border-radius: 50%;
    font-size: 0.78rem;
    font-weight: 700;
}

.full-article-content .article-signs {
    display: grid;
    gap: 10px;
    list-style: none;
    padding-left: 0;
    margin: 18px 0 24px;
}

.full-article-content .article-signs li {
    position: relative;
    padding: 14px 18px 14px 44px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.full-article-content .article-signs li::before {
    content: '✓';
    position: absolute;
    top: 14px;
    left: 18px;
    color: var(--color-sage);
    font-weight: 700;
}

.full-article-content .article-body-p li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.full-article-content .quote-box {
    margin: 32px 0;
    padding: 24px 28px;
    background: var(--color-bg-alt);
    border-left: 3px solid var(--color-rose-gold);
    border-radius: 0 8px 8px 0;
}

.full-article-content .quote-box blockquote {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-style: italic;
    color: var(--color-text-heading);
    line-height: 1.6;
}

.full-article-content .quote-box cite {
    display: block;
    margin-top: 12px;
    font-size: 0.82rem;
    font-style: normal;
    color: var(--color-rose-gold);
    font-weight: 500;
}

.full-article-content .article-callout {
    margin: 32px 0 24px;
    padding: 22px 26px;
    background: var(--color-bg-card);
    border-left: 3px solid var(--color-sage);
    border-radius: 0 10px 10px 0;
    color: var(--color-text-heading);
    font-family: var(--font-serif);
    font-size: 1.2rem;
    line-height: 1.55;
}

/* Hidden state */
.hidden {
    display: none !important;
}

/* ---------- SUCCESS PAGE ---------- */
.success-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px var(--content-pad);
    background: var(--color-bg);
}

.success-page-card {
    max-width: 620px;
    width: 100%;
    padding: clamp(32px, 5vw, 56px);
    text-align: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    box-shadow: var(--shadow-md);
}

.success-page-card h1 {
    max-width: 460px;
    margin: 0 auto 18px;
    font-size: clamp(2.4rem, 5vw, 4rem);
    line-height: 1.05;
    text-wrap: balance;
}

.success-page-card p {
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 28px;
    color: var(--color-text-muted);
}

/* ---------- 6. CONTACTS SECTION ---------- */
.contacts-section {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.contacts-header {
    text-align: center;
    margin-bottom: clamp(40px, 6vw, 64px);
}

.contacts-header h2 {
    margin-bottom: 12px;
}

.contacts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.contact-info-side {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-info-text {
    font-size: 1rem;
    color: var(--color-text-body);
    line-height: 1.7;
    margin-bottom: 8px;
}

.messenger-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.messenger-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--transition);
}

.tg-btn {
    background: #0088cc;
    color: #fff;
}

.tg-btn:hover {
    background: #006daa;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 136, 204, 0.25);
}

.blog-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 28px;
}

.blog-card h4 {
    margin-bottom: 8px;
}

.blog-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    line-height: 1.6;
}

/* Contact Form */
.contact-form-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 36px;
    box-shadow: var(--shadow-sm);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.contact-success-msg {
    padding: 16px 20px;
    background: var(--color-sage-faint);
    border: 1px solid var(--color-sage);
    border-radius: 8px;
    color: var(--color-sage);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    margin-top: 12px;
}

/* ---------- FOOTER ---------- */
.main-footer {
    padding: 40px 0 32px;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
}

.footer-inner p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.disclaimer {
    font-size: 0.72rem;
    color: var(--color-text-light);
    max-width: 600px;
    line-height: 1.5;
}

.footer-legal-links {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.footer-legal-links button {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    border-bottom: 1px solid transparent;
    transition: var(--transition-fast);
}

.footer-legal-links button:hover {
    color: var(--color-sage-light);
    border-bottom-color: var(--color-sage);
}

/* ---------- MODAL ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 24px;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: clamp(32px, 4vw, 48px);
    max-width: 600px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(20px) scale(0.97);
    transition: transform 0.4s var(--ease-out);
    box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-border);
    color: var(--color-text-heading);
}

.modal-body h2 {
    margin-bottom: 16px;
}

.modal-body h3 {
    margin: 28px 0 12px;
    font-family: var(--font-serif);
    font-size: 1.35rem;
    color: var(--color-text-heading);
}

.legal-modal-body h3 {
    font-size: 1.2rem;
    margin-top: 24px;
}

.modal-body .section-label {
    margin-bottom: 12px;
}

.modal-body p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text-body);
    margin-bottom: 16px;
}

.modal-body ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 20px;
}

.modal-body li {
    font-size: 0.92rem;
    color: var(--color-text-body);
    margin-bottom: 8px;
    line-height: 1.55;
}

.modal-extra {
    padding: 16px 20px;
    background: var(--color-bg-alt);
    border-left: 3px solid var(--color-sage);
    border-radius: 0 8px 8px 0;
    font-size: 0.9rem;
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    line-height: 1.6;
}

/* Accordion */
.accordion {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.accordion-item {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-fast);
}

.accordion-item.active {
    border-color: var(--color-border-hover);
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    cursor: pointer;
    background: transparent;
    border: none;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--color-text-heading);
    text-align: left;
    transition: var(--transition-fast);
}

.accordion-header:hover {
    background: var(--color-bg);
}

.accordion-icon {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.accordion-body-inner {
    padding: 0 20px 18px;
}

.accordion-body-inner p {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.accordion-item.active .accordion-body {
    max-height: 300px;
}

/* ---------- SCROLL REVEAL ANIMATION ---------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease-smooth), transform 0.7s var(--ease-smooth);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ---------- RESPONSIVE DESIGN ---------- */
@media (max-width: 1024px) {
    .hero-portrait {
        width: 30vw;
        opacity: 0.34;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-photo {
        max-width: 720px;
        margin: 0 auto 36px;
    }

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

    .contacts-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
}

@media (max-width: 900px) {
    .hero-section::before {
        top: 76px;
        left: 0;
        right: 0;
        bottom: 0;
        width: auto;
        height: auto;
        background-image:
            linear-gradient(to bottom, rgba(13, 15, 22, 0.74), rgba(13, 15, 22, 0.88) 44%, var(--color-bg) 100%),
            linear-gradient(to right, var(--color-bg) 0%, rgba(13, 15, 22, 0.18) 34%, rgba(13, 15, 22, 0.86) 100%),
            url('hero-leonar-left.png');
        background-size: cover;
        background-position: 43% top;
        border-radius: 0;
        opacity: 0.5;
        filter: saturate(0.85) contrast(1.04);
        -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 62%, transparent 100%);
        mask-image: linear-gradient(to bottom, #000 0%, #000 62%, transparent 100%);
    }

    .hero-section::after {
        inset: 0;
        width: auto;
        height: auto;
        background:
            radial-gradient(circle at 50% 32%, rgba(123, 140, 235, 0.08), transparent 42%),
            linear-gradient(to bottom, rgba(13, 15, 22, 0.36), rgba(13, 15, 22, 0.72) 54%, var(--color-bg) 100%);
        border-radius: 0;
        z-index: 1;
    }

    .hero-portrait {
        display: none;
    }
}

@media (max-width: 768px) {
    .main-header {
        min-height: 76px;
    }

    .header-inner {
        height: 76px;
        padding-top: 0;
        padding-bottom: 0;
    }

    .logo-name {
        font-size: 1.1rem;
        line-height: 1.05;
    }

    .logo-sub {
        max-width: 150px;
        font-size: 0.48rem;
        letter-spacing: 0.12em;
        line-height: 1.15;
        white-space: nowrap;
    }

    .nav-menu {
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        background: var(--color-bg-card);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        transform: translateY(-110%);
        transition: transform 0.35s var(--ease-out);
        z-index: 99;
        padding: 24px var(--content-pad);
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-menu ul {
        flex-direction: column;
        gap: 8px;
    }

    .nav-link {
        display: block;
        padding: 12px 0;
        font-size: 0.95rem;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-link::after {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .header-actions .btn-nav {
        display: none;
    }

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

    .about-photo {
        aspect-ratio: 4 / 3;
        margin-bottom: 32px;
    }

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

    .stats-row {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .hero-section {
        min-height: auto;
        padding: 126px 0 80px;
    }

    h1 {
        font-size: clamp(2.2rem, 7vw, 3.5rem);
    }

    .hero-title {
        max-width: 640px;
        font-size: clamp(2rem, 9vw, 3.2rem);
        line-height: 1.05;
    }

    .hero-title span {
        max-width: 520px;
        margin-top: 12px;
        font-size: 0.52em;
        line-height: 1.32;
    }

    .hero-scroll-hint {
        display: none;
    }
}

@media (max-width: 480px) {
    .logo-name {
        font-size: 1.04rem;
    }

    .logo-sub {
        max-width: 132px;
        font-size: 0.45rem;
        letter-spacing: 0.08em;
    }

    .messenger-links {
        flex-direction: column;
    }

    .messenger-btn {
        justify-content: center;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-title {
        font-size: clamp(1.9rem, 10vw, 2.7rem);
    }

    .hero-title span {
        font-size: 0.5em;
    }
}