/* ========================================
   ÉLEVIA PRO — Site web
   Palette : #1B4332 (vert) #F5F0EB (crème) #C6A05B (gold)
   Typo : DM Sans + Cormorant Garamond
   ======================================== */

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

:root {
    --green: #1B4332;
    --green-light: #2D5A27;
    --cream: #F5F0EB;
    --cream-dark: #EDE6DD;
    --gold: #C6A05B;
    --gold-light: #D4B87A;
    --gold-dark: #A8883E;
    --dark: #0D2118;
    --text: #2C3E2D;
    --text-light: #5A6B5C;
    --white: #FFFFFF;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(27, 67, 50, 0.08);
    --shadow-lg: 0 8px 40px rgba(27, 67, 50, 0.12);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 800px; }

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 { font-family: 'DM Sans', sans-serif; font-weight: 700; line-height: 1.15; color: var(--green); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.35rem); }
em { font-family: 'Cormorant Garamond', Georgia, serif; font-style: italic; font-weight: 400; }
h1 em, h2 em {
    font-size: 1.05em;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-light), var(--gold));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: goldShimmer 4s ease-in-out infinite;
}
@keyframes goldShimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}
.btn:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
.btn--gold { background: var(--gold); color: var(--dark); border-color: var(--gold); }
.btn--gold:hover { background: var(--gold-dark); border-color: var(--gold-dark); color: var(--dark); }
.btn--green { background: var(--green); color: var(--white); border-color: var(--green); }
.btn--green:hover { background: var(--dark); border-color: var(--dark); }
.btn--outline { background: transparent; color: var(--green); border-color: var(--green); }
.btn--outline:hover { background: var(--green); color: var(--white); }
.btn--lg { padding: 16px 36px; font-size: 1.05rem; }
.btn--sm { padding: 10px 20px; font-size: 0.85rem; }
.btn--full { width: 100%; }

/* --- NAV --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(27, 67, 50, 0.08);
    transition: box-shadow var(--transition);
}
.nav--scrolled { box-shadow: 0 2px 20px rgba(27, 67, 50, 0.1); }
.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 32px;
}
.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--green);
    flex-shrink: 0;
}
.nav__logo strong { font-weight: 700; }
.nav__links { display: flex; gap: 28px; }
.nav__links a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light);
    transition: color var(--transition);
}
.nav__links a:hover { color: var(--green); }
.nav__burger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav__burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--green);
    margin: 5px 0;
    transition: all var(--transition);
}

/* --- HERO --- */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(165deg, var(--white) 0%, var(--cream) 100%);
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(198,160,91,0.12), transparent 70%);
    top: -100px;
    right: -100px;
    pointer-events: none;
    animation: ambientFloat 20s ease-in-out infinite;
}
.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(27,67,50,0.06), transparent 70%);
    bottom: -100px;
    left: -50px;
    pointer-events: none;
    animation: ambientFloat 25s ease-in-out infinite reverse;
}
@keyframes ambientFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -15px) scale(1.05); }
    66% { transform: translate(-10px, 10px) scale(0.95); }
}
.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero__eyebrow {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}
.hero__title { margin-bottom: 20px; }
.hero__subtitle {
    font-size: 1.15rem;
    color: var(--text-light);
    max-width: 540px;
    margin-bottom: 32px;
    line-height: 1.7;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.hero__proof {
    font-size: 0.82rem;
    color: var(--text-light);
    letter-spacing: 0.02em;
}
.hero__video-placeholder {
    aspect-ratio: 16/10;
    background: var(--green);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--white);
    text-align: center;
    box-shadow: var(--shadow-lg);
}
.hero__video-placeholder p { font-size: 1rem; font-weight: 500; line-height: 1.5; }
.hero__video-placeholder span { font-size: 0.85rem; opacity: 0.7; font-weight: 400; }

/* --- SECTIONS --- */
.section { padding: 100px 0; }
.section--cream { background: var(--cream); }
.section--dark { background: var(--green); }
.section__eyebrow {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 12px;
    text-align: center;
}
.section__eyebrow::before {
    content: '';
    display: block;
    width: 48px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    margin: 0 auto 16px;
}
.section__eyebrow--light { color: var(--gold-light); }
.section__eyebrow--light::before { background: linear-gradient(90deg, transparent, var(--gold-light), transparent); }
.section__title { text-align: center; margin-bottom: 20px; }
.section__title--light { color: var(--white); }
.section__desc {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 640px;
    margin: 0 auto 48px;
    line-height: 1.7;
}

/* --- PROBLEM --- */
.problem__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}
.problem__card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(198,160,91,0.1);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.problem__card:hover {
    transform: translateY(-3px);
    border-color: rgba(198,160,91,0.3);
    box-shadow: var(--shadow-lg);
}
.problem__icon { margin-bottom: 20px; }
.problem__card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.problem__card p { color: var(--text-light); font-size: 0.95rem; }

/* --- SOLUTION --- */
.solution__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 48px;
}
.solution__card {
    padding: 36px;
    border: 2px solid rgba(27, 67, 50, 0.08);
    border-radius: var(--radius);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.solution__card:hover {
    border-color: var(--gold);
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}
.solution__icon { margin-bottom: 16px; }
.solution__card h3 { margin-bottom: 8px; }
.solution__card p { color: var(--text-light); font-size: 0.95rem; }

/* --- NOT AI SECTION --- */
.section--notai { background: var(--white); }
.notai {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: start;
}
.notai .section__eyebrow { text-align: left; }
.notai .section__eyebrow::before { margin: 0 0 16px 0; }
.notai__title { text-align: left; font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: 20px; }
.notai__lead {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--green);
    line-height: 1.6;
    margin-bottom: 16px;
}
.notai__text { color: var(--text-light); font-size: 1rem; line-height: 1.7; margin-bottom: 32px; }
.notai__compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.notai__col {
    padding: 24px;
    border-radius: var(--radius);
}
.notai__col h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    margin-bottom: 12px;
}
.notai__col ul { list-style: none; }
.notai__col li {
    font-size: 0.88rem;
    padding: 6px 0;
    padding-left: 16px;
    position: relative;
    line-height: 1.5;
}
.notai__col--bad {
    background: #FDF2F2;
    border: 1px solid #F5D5D5;
}
.notai__col--bad h4 { color: #922; }
.notai__col--bad li { color: #744; }
.notai__col--bad li::before { content: ''; position: absolute; left: 0; top: 11px; width: 8px; height: 8px; border-radius: 50%; background: #D88; }
.notai__col--good {
    background: #F0F7F1;
    border: 1px solid #C5DFC8;
}
.notai__col--good h4 { color: var(--green); }
.notai__col--good li { color: var(--text); }
.notai__col--good li::before { content: ''; position: absolute; left: 0; top: 11px; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }

.notai__example { position: sticky; top: 100px; }
.notai__example-box {
    background: var(--cream);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 2px solid rgba(27, 67, 50, 0.08);
}
.notai__example-q {
    font-size: 1.1rem;
    color: var(--green);
    margin-bottom: 24px;
    text-align: center;
}
.notai__example-chain {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}
.notai__chain-step {
    background: var(--white);
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    color: var(--text);
    width: 100%;
    text-align: center;
    border: 1px solid rgba(27, 67, 50, 0.1);
}
.notai__chain-step:last-of-type {
    background: var(--green);
    color: var(--white);
    border-color: var(--green);
    font-weight: 600;
}
.notai__chain-arrow {
    color: var(--gold);
    font-size: 1.2rem;
    line-height: 1;
    padding: 4px 0;
}
.notai__example-caption {
    font-size: 0.82rem;
    color: var(--text-light);
    text-align: center;
    margin-top: 20px;
    font-style: italic;
}

/* --- ROI SECTION --- */
.section--green-light {
    background: linear-gradient(135deg, var(--green) 0%, #244F3B 100%);
    color: var(--white);
}
.roi { text-align: center; padding: 20px 0; }
.roi__title {
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 48px;
    line-height: 1.3;
}
.roi__grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.roi__item { text-align: center; }
.roi__number {
    font-family: 'Cormorant Garamond', serif;
    font-size: 3.5rem;
    font-weight: 600;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 8px;
}
.roi__number sup { font-size: 0.5em; }
.roi__label {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.4;
}
.roi__label span { font-size: 0.82rem; opacity: 0.7; display: block; margin-top: 4px; }
.roi__divider {
    width: 1px;
    height: 60px;
    background: rgba(255,255,255,0.2);
}
.roi__cta-text {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* --- FOUNDER SECTION --- */
.founder {
    display: flex;
    gap: 40px;
    align-items: center;
}
.founder__photo-placeholder {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--green);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}
.founder__quote {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.3rem;
    font-style: italic;
    color: var(--text);
    line-height: 1.6;
    margin-bottom: 16px;
    border-left: 3px solid var(--gold);
    padding-left: 24px;
}
.founder__name { font-size: 1rem; color: var(--green); }
.founder__title { font-size: 0.88rem; color: var(--text-light); }

/* --- HERO BADGES --- */
.hero__badges { display: flex; gap: 20px; flex-wrap: wrap; }
.hero__badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--text-light);
    font-weight: 500;
}

/* --- STEPS --- */
.steps { margin-top: 48px; }
.step {
    display: grid;
    grid-template-columns: auto 1fr 1fr;
    gap: 32px;
    align-items: center;
    padding: 40px 0;
    border-bottom: 1px solid rgba(27, 67, 50, 0.08);
}
.step:last-child { border-bottom: none; }
.step__number {
    font-family: 'Cormorant Garamond', serif;
    font-size: 4rem;
    font-weight: 600;
    color: var(--gold);
    opacity: 0.3;
    line-height: 1;
    width: 60px;
    text-align: center;
}
.step__img { order: 0; }
.step__placeholder {
    aspect-ratio: 16/10;
    background: var(--white);
    border: 2px dashed rgba(27, 67, 50, 0.15);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-light);
    text-align: center;
    padding: 24px;
}
.step__placeholder span { font-weight: 600; color: var(--green); }
.step__placeholder small { font-size: 0.82rem; opacity: 0.7; }
.step__placeholder--dark {
    background: var(--green);
    border-color: var(--green);
    color: rgba(255,255,255,0.6);
}
.step__placeholder--dark span { color: var(--gold); }
.step__placeholder--dark small { color: rgba(255,255,255,0.5); opacity: 1; }
.step h3 { margin-bottom: 8px; }
.step p { color: var(--text-light); font-size: 0.95rem; }

/* Engine cascade (step 2) */
.step--engine {
    grid-template-columns: auto 1fr;
    gap: 24px;
}
.step__engine-cascade {
    grid-column: 1 / -1;
    background: var(--green);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin: 8px 0 16px;
}
.step__engine-title {
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gold);
    margin-bottom: 24px;
    text-align: center;
}
.cascade { position: relative; }
.cascade__item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 10px 0;
    position: relative;
}
.cascade__item::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 28px;
    bottom: -10px;
    width: 1px;
    background: rgba(198,160,91,0.25);
}
.cascade__item:last-child::before { display: none; }
.cascade__dot {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    border: 2px solid var(--gold);
    background: transparent;
    flex-shrink: 0;
    margin-top: 3px;
}
.cascade__item--result .cascade__dot {
    background: var(--gold);
}
.cascade__content strong {
    display: block;
    color: var(--white);
    font-size: 0.92rem;
    font-weight: 600;
    margin-bottom: 2px;
}
.cascade__content span {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.4;
}
.cascade__item--result .cascade__content strong { color: var(--gold); }
.cascade__item--result .cascade__content span { color: rgba(255,255,255,0.75); }

/* Formula display */
.cascade__formula {
    margin-top: 24px;
    padding: 20px 24px;
    background: rgba(255,255,255,0.06);
    border-radius: var(--radius);
    border: 1px solid rgba(198,160,91,0.2);
}
.cascade__formula-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gold);
    margin-bottom: 12px;
    font-weight: 600;
}
.cascade__formula-code {
    display: block;
    font-family: 'DM Sans', monospace;
    font-size: 0.88rem;
    color: var(--white);
    line-height: 1.8;
    font-weight: 500;
}
.cascade__formula-code span {
    color: rgba(255,255,255,0.5);
    font-size: 0.82rem;
    padding-left: 20px;
    font-weight: 400;
}
.cascade__formula-note {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.4);
    margin-top: 12px;
    font-style: italic;
}

.step--engine .step__text {
    grid-column: 1 / -1;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

/* --- PRICING --- */
.pricing {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
    align-items: start;
}
.pricing__card {
    background: var(--white);
    border: 2px solid rgba(27, 67, 50, 0.08);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    position: relative;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.pricing__card:hover { box-shadow: var(--shadow); }
.pricing__card--featured {
    border-color: var(--gold);
    box-shadow: var(--shadow-lg);
    transform: scale(1.03);
}
.pricing__badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gold);
    color: var(--dark);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 100px;
    white-space: nowrap;
}
.pricing__header { margin-bottom: 20px; }
.pricing__name { font-size: 1.35rem; margin-bottom: 4px; }
.pricing__desc { font-size: 0.9rem; color: var(--text-light); }
.pricing__price { margin-bottom: 8px; display: flex; align-items: baseline; gap: 4px; }
.pricing__amount { font-size: 2.5rem; font-weight: 700; color: var(--green); }
.pricing__period { font-size: 1rem; color: var(--text-light); }
.pricing__note { font-size: 0.82rem; color: var(--text-light); margin-bottom: 24px; }
.pricing__features {
    list-style: none;
    margin-bottom: 28px;
}
.pricing__features li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    font-size: 0.92rem;
    color: var(--text);
    border-bottom: 1px solid rgba(27, 67, 50, 0.05);
}
.pricing__features li:last-child { border-bottom: none; }
.pricing__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 14px;
    height: 14px;
    background: url("data:image/svg+xml,%3Csvg width='14' height='14' viewBox='0 0 14 14' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 7l3 3 5-5' stroke='%231B4332' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center;
}
.pricing__features li:first-child { font-weight: 600; color: var(--green); }
.pricing__features li:first-child::before { display: none; }
.pricing__card--featured .pricing__features li:first-child { color: var(--gold-dark); }

/* --- TRUST --- */
.trust__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}
.trust__card { text-align: center; padding: 24px; }
.trust__icon { margin-bottom: 16px; }
.trust__card h3 { color: var(--white); font-size: 1.1rem; margin-bottom: 8px; }
.trust__card p { color: rgba(255, 255, 255, 0.7); font-size: 0.92rem; line-height: 1.6; }

/* --- FAQ --- */
.faq { margin-top: 40px; }
.faq__item {
    border-bottom: 1px solid rgba(27, 67, 50, 0.1);
}
.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--green);
    cursor: pointer;
    list-style: none;
    user-select: none;
}
.faq__question::-webkit-details-marker { display: none; }
.faq__question::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--gold);
    transition: transform var(--transition);
    flex-shrink: 0;
    margin-left: 16px;
}
details[open] .faq__question::after { content: '\2212'; }
.faq__answer {
    padding-bottom: 20px;
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* --- FORM --- */
.form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-top: 32px;
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form__label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--green);
    margin-bottom: 6px;
}
.form__label span { color: var(--gold); }
.form__input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid rgba(27, 67, 50, 0.12);
    border-radius: var(--radius-sm);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    color: var(--text);
    background: var(--white);
    transition: border-color var(--transition);
    appearance: none;
    -webkit-appearance: none;
}
.form__input:focus { outline: none; border-color: var(--gold); }
.form__input::placeholder { color: rgba(27, 67, 50, 0.3); }
select.form__input {
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%231B4332' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}
.form__input:invalid:not(:placeholder-shown) { border-color: #c0392b; }
.form__legal {
    font-size: 0.78rem;
    color: var(--text-light);
    text-align: center;
    margin-top: 16px;
}
.form__success {
    text-align: center;
    padding: 48px 24px;
}
.form__success-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.form__success h3 { font-size: 1.5rem; }
.form__success p { color: var(--text-light); font-size: 1.05rem; }

/* Submit button loading state */
.btn--loading { opacity: 0.7; pointer-events: none; }

/* --- TIER PAGES --- */
.hero--tier { padding: 140px 0 60px; text-align: center; }
.hero--tier .hero__actions { justify-content: center; }
.tier-back {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--text-light);
    text-decoration: none;
    margin-bottom: 20px;
    transition: color var(--transition);
}
.tier-back:hover { color: var(--green); }
.tier-badge-inline {
    display: inline-block;
    background: var(--gold);
    color: var(--dark);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 100px;
    margin-bottom: 16px;
}
.tier-price { margin-bottom: 8px; }
.tier-price__amount {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--green);
}
.tier-price__period { font-size: 1.1rem; color: var(--text-light); }
.tier-price__sub { font-size: 0.9rem; color: var(--text-light); margin-bottom: 24px; }
.tier-price__note { font-size: 0.85rem; color: var(--text-light); margin-top: 12px; }

/* Features list */
.features { margin-top: 40px; }
.feature {
    display: flex;
    gap: 24px;
    padding: 32px;
    margin-bottom: 16px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid rgba(27,67,50,0.06);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.feature:hover { border-color: rgba(198,160,91,0.3); box-shadow: var(--shadow); }
.feature--highlight { border-left: 3px solid var(--gold); }
.feature__icon { flex-shrink: 0; padding-top: 4px; }
.feature__content h3 { margin-bottom: 8px; font-size: 1.1rem; }
.feature__content p { color: var(--text-light); font-size: 0.95rem; line-height: 1.7; }

/* Preview cards */
.preview__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}
.preview__card {
    background: var(--cream);
    border-radius: var(--radius);
    overflow: hidden;
}
.preview__placeholder {
    aspect-ratio: 3/4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 32px;
    text-align: center;
    color: var(--text-light);
    border: 2px dashed rgba(27,67,50,0.12);
    border-radius: var(--radius);
    margin: 16px;
}
.preview__placeholder span { font-weight: 600; color: var(--green); font-size: 1.05rem; }
.preview__placeholder small { font-size: 0.82rem; opacity: 0.7; }

/* Paliers */
.paliers {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 32px;
    margin-bottom: 20px;
}
.palier {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    text-align: center;
    border: 2px solid rgba(27,67,50,0.08);
    transition: border-color var(--transition);
}
.palier--active { border-color: var(--gold); }
.palier h3 { font-size: 0.95rem; margin-bottom: 8px; }
.palier__price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 4px;
}
.palier__price span { font-size: 0.85rem; font-weight: 400; color: var(--text-light); }
.palier p { font-size: 0.82rem; color: var(--text-light); }
.paliers__note { font-size: 0.85rem; color: var(--text-light); text-align: center; }

/* Checklist */
.checklist { margin-top: 32px; }
.checklist__item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(27,67,50,0.08);
}
.checklist__item:last-child { border-bottom: none; }
.checklist__item svg { flex-shrink: 0; margin-top: 2px; }
.checklist__item p { font-size: 1rem; color: var(--text); line-height: 1.5; }

@media (max-width: 768px) {
    .feature { flex-direction: column; gap: 16px; }
    .preview__grid { grid-template-columns: 1fr; }
    .paliers { grid-template-columns: repeat(2, 1fr); }
}

/* --- METHOD PAGE --- */
.method-intro { font-size: 1.05rem; color: var(--text); line-height: 1.7; }
.cascade-page { margin-top: 32px; }
.cascade-page__item {
    display: flex;
    gap: 24px;
    padding: 28px 0;
    border-bottom: 1px solid rgba(27,67,50,0.08);
}
.cascade-page__item:last-child { border-bottom: none; }
.cascade-page__num {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2rem;
    font-weight: 600;
    color: var(--gold);
    opacity: 0.5;
    flex-shrink: 0;
    width: 48px;
    text-align: center;
    line-height: 1.2;
}
.cascade-page__body h3 { font-size: 1.05rem; margin-bottom: 8px; }
.cascade-page__body p { font-size: 0.95rem; color: var(--text-light); line-height: 1.7; }
.cascade-page__formula {
    margin-top: 20px;
    padding: 20px 24px;
    background: var(--green);
    border-radius: var(--radius);
}

/* Trace chain */
.trace { margin-top: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }
.trace__step {
    background: var(--white);
    border: 1px solid rgba(27,67,50,0.1);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    display: flex;
    gap: 16px;
    align-items: baseline;
}
.trace__step--result {
    background: var(--green);
    border-color: var(--green);
}
.trace__step--result .trace__label { color: var(--gold); }
.trace__step--result .trace__value { color: var(--white); }
.trace__label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gold-dark);
    flex-shrink: 0;
    width: 120px;
}
.trace__value { font-size: 0.92rem; color: var(--text); line-height: 1.5; }
.trace__arrow {
    text-align: center;
    color: var(--gold);
    font-size: 1.2rem;
    padding: 4px 0;
}

/* Stats grid */
.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 40px;
}
.stat {
    text-align: center;
    padding: 24px 16px;
    border: 1px solid rgba(27,67,50,0.08);
    border-radius: var(--radius);
}
.stat__number {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 8px;
}
.stat__label { font-size: 0.85rem; color: var(--text-light); line-height: 1.4; }

/* Sources */
.sources { margin-top: 32px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.source {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid rgba(27,67,50,0.08);
}
.source h3 { font-size: 1.1rem; color: var(--gold-dark); margin-bottom: 8px; }
.source p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; }

@media (max-width: 768px) {
    .cascade-page__item { flex-direction: column; gap: 8px; }
    .cascade-page__num { width: auto; font-size: 1.5rem; }
    .stats__grid { grid-template-columns: repeat(2, 1fr); }
    .sources { grid-template-columns: 1fr; }
    .trace__step { flex-direction: column; gap: 4px; }
    .trace__label { width: auto; }
}

/* --- FOOTER --- */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 40px 0;
}
.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}
.footer__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-weight: 600;
    font-size: 1.05rem;
}
.footer__info p { font-size: 0.85rem; line-height: 1.6; }
.footer__info a { color: var(--gold); text-decoration: none; }
.footer__info a:hover { text-decoration: underline; }
.footer__links { display: flex; gap: 24px; }
.footer__links a {
    font-size: 0.85rem;
    text-decoration: none;
    transition: color var(--transition);
}
.footer__links a:hover { color: var(--white); }

/* --- ANIMATIONS --- */
@media (prefers-reduced-motion: no-preference) {
    .problem__card,
    .solution__card,
    .trust__card,
    .pricing__card,
    .step,
    .notai__col,
    .roi__item,
    .founder {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .problem__card.visible,
    .solution__card.visible,
    .trust__card.visible,
    .pricing__card.visible,
    .step.visible,
    .notai__col.visible,
    .roi__item.visible,
    .founder.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- MOBILE MENU --- */
.nav__mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(13, 33, 24, 0.5);
    z-index: 99;
}
.nav__mobile-overlay.active { display: block; }

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .hero__inner { grid-template-columns: 1fr; gap: 40px; }
    .hero__video { max-width: 560px; }
    .pricing { grid-template-columns: 1fr; max-width: 440px; margin-left: auto; margin-right: auto; }
    .pricing__card--featured { transform: none; }
    .trust__grid { grid-template-columns: repeat(2, 1fr); }
    .solution__grid { grid-template-columns: 1fr; }
    .notai { grid-template-columns: 1fr; }
    .notai__title { text-align: center; }
    .notai__example { position: static; }
}

@media (max-width: 768px) {
    .section { padding: 64px 0; }
    .hero { padding: 110px 0 60px; }

    .nav__links { display: none !important; }
    .nav > .container > .btn { display: none !important; }
    .nav__burger { display: block; }

    /* Mobile menu open — fullscreen overlay */
    .nav.nav--open { z-index: 9999; }
    .nav.nav--open .nav__links {
        display: flex !important;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100vw;
        height: 100vh;
        height: 100dvh;
        background: #FFFFFF;
        padding: 120px 40px 40px;
        gap: 28px;
        z-index: 9998;
        align-items: center;
        justify-content: flex-start;
    }
    .nav.nav--open .nav__links a {
        font-size: 1.3rem;
        font-weight: 600;
        color: var(--green);
    }
    .nav.nav--open .nav__burger {
        position: fixed;
        top: 24px;
        right: 24px;
        z-index: 9999;
    }
    .nav.nav--open .nav__burger span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .nav.nav--open .nav__burger span:nth-child(2) { opacity: 0; }
    .nav.nav--open .nav__burger span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .problem__grid { grid-template-columns: 1fr; }
    .trust__grid { grid-template-columns: 1fr; }

    .step {
        grid-template-columns: 1fr;
        gap: 16px;
        text-align: center;
    }
    .step__number { width: auto; font-size: 3rem; }

    .notai__compare { grid-template-columns: 1fr; }
    .founder { flex-direction: column; text-align: center; }
    .founder__quote { border-left: none; padding-left: 0; border-top: 3px solid var(--gold); padding-top: 20px; }
    .roi__divider { width: 60px; height: 1px; }
    .roi__grid { gap: 24px; }

    .form { padding: 24px; }
    .form__row { grid-template-columns: 1fr; }

    .footer__inner { flex-direction: column; text-align: center; }
    .footer__links { flex-direction: column; gap: 12px; }
}

@media (max-width: 480px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    .hero__actions { flex-direction: column; }
    .hero__actions .btn { width: 100%; }
    .btn--lg { padding: 14px 24px; font-size: 1rem; }
}