/* ═══════════════════════════════════════════
   Facteur Landing Page — Design System
   ═══════════════════════════════════════════ */

:root {
    /* Colors — warm palette */
    --color-bg: #faf8f5;
    --color-bg-alt: #f0ece6;
    --color-surface: #ffffff;
    --color-text: #1a1a1a;
    --color-text-muted: #6b6560;
    --color-accent: #d4652a;
    --color-accent-hover: #b8541f;
    --color-accent-light: #fdf0e9;
    --color-dark-bg: #1a1a1a;
    --color-dark-text: #f0ece6;
    --color-dark-muted: #a09890;
    --color-border: #e0dbd5;
    --color-success: #2d8a4e;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.8125rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.75rem;
    --font-size-4xl: 3.5rem;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    /* Layout */
    --container-max: 1120px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --duration-fast: 200ms;
    --duration-normal: 400ms;
    --duration-slow: 800ms;

    /* Shadows — premium */
    --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.06);
    --shadow-card-hover: 0 4px 12px rgba(0,0,0,0.06), 0 16px 40px rgba(0,0,0,0.1);
    --color-quote-mark: rgba(212,101,42,0.12);
}

/* ═══════════════════════════════════════════
   Reset & Base
   ═══════════════════════════════════════════ */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--duration-fast), border-bottom var(--duration-fast);
    border-bottom: 1px solid transparent;
}

a:hover {
    color: var(--color-accent-hover);
    border-bottom-color: var(--color-accent-hover);
}


/* ═══════════════════════════════════════════
   Navbar
   ═══════════════════════════════════════════ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-sm) 0;
    transition: background var(--duration-fast), box-shadow var(--duration-fast), padding var(--duration-fast);
}

.navbar.is-scrolled {
    background: rgba(250, 248, 245, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
    padding: 0.625rem 0;
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar__logo {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.03em;
}

.navbar__cta {
    padding: 0.5rem 1.25rem;
    background: var(--color-accent);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    transition: background var(--duration-fast), transform var(--duration-fast);
}

.navbar__cta:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

/* ═══════════════════════════════════════════
   Section Nav
   ═══════════════════════════════════════════ */

.section-nav {
    position: fixed;
    top: var(--space-sm);
    right: var(--space-md);
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0;
    background: none;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity var(--duration-normal) var(--ease-out),
                transform var(--duration-normal) var(--ease-out);
    pointer-events: none;
}

.section-nav.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.section-nav.is-idle {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s ease;
}

.section-nav__item {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: color var(--duration-fast), opacity var(--duration-fast);
    opacity: 0.35;
    white-space: nowrap;
    border-bottom: none;
}

.section-nav__item:hover {
    color: var(--color-text);
    opacity: 0.7;
}

.section-nav__item.is-active {
    color: var(--color-text);
    opacity: 1;
    font-weight: 600;
}

/* ═══════════════════════════════════════════
   Layout
   ═══════════════════════════════════════════ */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-2xl) 0;
}

.section__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-xl);
    text-align: center;
    position: relative;
    padding-bottom: var(--space-sm);
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 2px;
    background: var(--color-accent);
    border-radius: 1px;
}

/* ═══════════════════════════════════════════
   Animations
   ═══════════════════════════════════════════ */

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--duration-slow) var(--ease-out),
                transform var(--duration-slow) var(--ease-out);
}

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

.reveal-child {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--duration-normal) var(--ease-out),
                transform var(--duration-normal) var(--ease-out);
}

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

.reveal.visible .reveal-child:nth-child(2) { transition-delay: 100ms; }
.reveal.visible .reveal-child:nth-child(3) { transition-delay: 200ms; }
.reveal.visible .reveal-child:nth-child(4) { transition-delay: 300ms; }

/* ═══════════════════════════════════════════
   Highlight (marker effect)
   ═══════════════════════════════════════════ */

.highlight {
    background: linear-gradient(104deg,
        rgba(212,101,42,0) 0.9%,
        rgba(212,101,42,0.15) 2.4%,
        rgba(212,101,42,0.12) 5.8%,
        rgba(212,101,42,0.08) 93%,
        rgba(212,101,42,0.15) 96%,
        rgba(212,101,42,0) 98%);
    border-radius: 4px;
    padding: 2px 6px;
    margin: 0 -6px;
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
}

/* ═══════════════════════════════════════════
   Phone Mockup
   ═══════════════════════════════════════════ */

.phone-mockup {
    width: 280px;
    background: #1a1a1a;
    border-radius: var(--radius-xl);
    border: 6px solid #2a2a2a;
    overflow: hidden;
    box-shadow:
        0 2px 0 0 #3a3a3a inset,
        0 -2px 0 0 #111 inset,
        0 16px 40px -8px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    position: relative;
    flex-shrink: 0;
}

/* Notch hint at top — minimal to avoid hiding content */
.phone-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 25%;
    height: 5px;
    background: #1a1a1a;
    border-radius: 0 0 6px 6px;
    z-index: 2;
}

/* Subtle screen edge glow */
.phone-mockup::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: calc(var(--radius-xl) - 6px);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
    pointer-events: none;
    z-index: 1;
}

.phone-mockup--small {
    width: 210px;
}

.phone-mockup__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    color: var(--color-dark-muted);
    font-size: var(--font-size-sm);
    text-align: center;
    padding: var(--space-md);
}

.phone-mockup__img {
    width: 100%;
    display: block;
}

/* ═══════════════════════════════════════════
   Waitlist Form
   ═══════════════════════════════════════════ */

.waitlist-form {
    max-width: 480px;
}

.waitlist-form__row {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.waitlist-form__input {
    flex: 1;
    min-width: 200px;
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color var(--duration-fast);
    outline: none;
}

.waitlist-form__input:focus {
    border-color: var(--color-accent);
}

.waitlist-form__input::placeholder {
    color: var(--color-text-muted);
}

.waitlist-form__btn {
    padding: 0.875rem 1.75rem;
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--duration-fast), transform var(--duration-fast);
    white-space: nowrap;
}

.waitlist-form__btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

.waitlist-form__btn:active {
    transform: translateY(0);
}

.waitlist-form__btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.waitlist-form__hint {
    margin-top: var(--space-xs);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.waitlist-form__success {
    margin-top: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-success);
    font-weight: 500;
}

.waitlist-form__error {
    margin-top: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-accent);
}

/* ═══════════════════════════════════════════
   Social Proof Badge
   ═══════════════════════════════════════════ */

.social-proof {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: var(--space-md);
    animation: fadeUp 600ms var(--ease-out) 400ms both;
}

.social-proof__avatars {
    display: flex;
}

.social-proof__dot {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.625rem;
    font-weight: 600;
    border: 2px solid var(--color-bg);
    margin-right: -8px;
}

.social-proof__dot:last-child {
    margin-right: 0;
}

.social-proof__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.social-proof__text span {
    font-weight: 600;
    color: var(--color-text-muted);
}

/* ═══════════════════════════════════════════
   SECTION 1 — Hero
   ═══════════════════════════════════════════ */

@keyframes heroGlow {
    0%, 100% { opacity: 0.4; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.6; transform: translate(-50%, -50%) scale(1.15); }
}

@keyframes phoneFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-xl) 0;
    background: var(--color-bg);
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 60%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212,101,42,0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: heroGlow 8s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

.hero__inner {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.hero__text {
    flex: 1;
    animation: fadeUp var(--duration-slow) var(--ease-out) both;
    position: relative;
    z-index: 1;
}

.hero__title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    max-width: 480px;
    line-height: 1.5;
}

.hero__visual {
    flex-shrink: 0;
    animation: slideInRight var(--duration-slow) var(--ease-out) 200ms both;
    position: relative;
    z-index: 1;
}

.hero__visual .phone-mockup {
    animation: phoneFloat 6s ease-in-out infinite;
}

/* ═══════════════════════════════════════════
   SECTION 2 — Testimonials
   ═══════════════════════════════════════════ */

.testimonials {
    background: var(--color-bg-alt);
}


.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.testimonial-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-lg) var(--space-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    position: relative;
    display: flex;
    flex-direction: column;
    transition: transform var(--duration-fast) var(--ease-out),
                box-shadow var(--duration-fast);
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card-hover);
}

/* Decorative quotation mark */
.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: 12px;
    left: 20px;
    font-size: 4rem;
    font-family: Georgia, 'Times New Roman', serif;
    color: var(--color-quote-mark);
    line-height: 1;
    pointer-events: none;
    z-index: 0;
}

/* Quote */
.testimonial-card__quote {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: var(--font-size-lg);
    font-style: normal;
    color: var(--color-text);
    line-height: 1.55;
    margin: 0;
    flex: 1;
    font-weight: 400;
    letter-spacing: -0.01em;
    position: relative;
    z-index: 1;
}

/* Author */
.testimonial-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-md);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-border);
}

.testimonial-card__avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-bg-alt);
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: var(--font-size-xs);
    flex-shrink: 0;
}

.testimonial-card__identity {
    display: flex;
    flex-direction: column;
}

.testimonial-card__name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.02em;
}

.testimonial-card__context {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.testimonials__footnote {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-lg);
    opacity: 0.6;
    font-style: italic;
}

/* ═══════════════════════════════════════════
   SECTION 3 — Solution (Pillars)
   ═══════════════════════════════════════════ */

.solution {
    background: var(--color-bg);
}

.pillar {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.pillar:last-child {
    margin-bottom: 0;
}

.pillar--reverse {
    flex-direction: row-reverse;
}

.pillar__text {
    flex: 1;
}

.pillar__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.pillar__desc {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.pillar__visuals {
    display: flex;
    gap: var(--space-md);
    flex-shrink: 0;
}

/* ═══════════════════════════════════════════
   SECTION 5 — Founder
   ═══════════════════════════════════════════ */

.founder {
    background: var(--color-bg);
}

.founder__inner {
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
}

.founder__photo {
    flex-shrink: 0;
    width: 280px;
    position: sticky;
    top: var(--space-lg);
}

.founder__photo-placeholder {
    width: 100%;
    aspect-ratio: 3 / 4;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    border: 2px dashed var(--color-border);
}

.founder__photo-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.founder__text {
    flex: 1;
}

.founder__text .section__title {
    text-align: left;
    margin-bottom: var(--space-lg);
}

.founder__text p {
    font-size: var(--font-size-base);
    line-height: 1.7;
    margin-bottom: var(--space-md);
    color: var(--color-text-muted);
}

.founder__closing {
    font-weight: 600;
    color: var(--color-text) !important;
}

/* ═══════════════════════════════════════════
   SECTION 6 — CTA Final
   ═══════════════════════════════════════════ */

.cta {
    background: var(--color-accent-light);
    text-align: center;
    padding: var(--space-3xl) 0;
}

.cta__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cta__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.cta__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.cta .waitlist-form__row {
    justify-content: center;
}

/* ═══════════════════════════════════════════
   Manifesto
   ═══════════════════════════════════════════ */

.manifesto {
    background: var(--color-bg-alt);
}

.manifesto__inner {
    max-width: 720px;
    margin: 0 auto;
}

.manifesto__body {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-text-muted);
    text-align: center;
}

.manifesto__body p {
    margin-bottom: var(--space-md);
}

.manifesto__body strong {
    color: var(--color-text);
    font-weight: 600;
}

.manifesto__principles {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.manifesto__principle {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg) var(--space-md);
    text-align: left;
}

.manifesto__principle-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.manifesto__principle p {
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: 0;
}

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

/* ═══════════════════════════════════════════
   FAQ
   ═══════════════════════════════════════════ */

.faq {
    background: var(--color-bg);
}

.faq__list {
    max-width: 720px;
    margin: 0 auto;
}

.faq__item {
    border-bottom: 1px solid var(--color-border);
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-md) 0;
    background: none;
    border: none;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    text-align: left;
    gap: var(--space-sm);
}

.faq__icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    position: relative;
    transition: transform var(--duration-fast) var(--ease-out);
}

.faq__icon::before,
.faq__icon::after {
    content: '';
    position: absolute;
    background: var(--color-text-muted);
    border-radius: 1px;
}

.faq__icon::before {
    top: 50%;
    left: 2px;
    right: 2px;
    height: 2px;
    transform: translateY(-50%);
}

.faq__icon::after {
    left: 50%;
    top: 2px;
    bottom: 2px;
    width: 2px;
    transform: translateX(-50%);
    transition: transform var(--duration-fast) var(--ease-out), opacity var(--duration-fast);
}

.faq__item.is-open .faq__icon::after {
    transform: translateX(-50%) scaleY(0);
    opacity: 0;
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-normal) var(--ease-out);
}

.faq__item.is-open .faq__answer {
    max-height: 500px;
}

.faq__answer p {
    padding-bottom: var(--space-md);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text-muted);
}

/* ═══════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════ */

.footer {
    background: var(--color-dark-bg);
    color: var(--color-dark-muted);
    padding: var(--space-xl) 0 var(--space-lg);
}

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.footer__brand {
    text-align: center;
}

.footer__logo {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-dark-text);
    letter-spacing: -0.03em;
}

.footer__tagline {
    font-size: var(--font-size-sm);
    color: var(--color-dark-muted);
    margin-top: 4px;
}

.footer__links {
    display: flex;
    gap: var(--space-lg);
}

.footer__link {
    color: var(--dark-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--duration-fast);
    border-bottom: none;
}

.footer__link:hover {
    color: var(--color-dark-text);
}

.footer__copy {
    font-size: var(--font-size-xs);
    color: var(--color-dark-muted);
    opacity: 0.6;
}

/* ═══════════════════════════════════════════
   Responsive — Mobile First
   ═══════════════════════════════════════════ */

@media (max-width: 768px) {
    .section-nav {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: var(--space-xl) 0 var(--space-lg);
    }

    .hero::before {
        width: 300px;
        height: 300px;
        top: 10%;
        left: 50%;
    }

    .hero__inner {
        flex-direction: column-reverse;
        gap: var(--space-lg);
        text-align: center;
    }

    .hero__title {
        font-size: var(--font-size-2xl);
    }

    .hero__subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero .waitlist-form {
        margin: 0 auto;
    }

    .social-proof {
        justify-content: center;
    }

    .hero__visual .phone-mockup {
        width: 200px;
    }


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

    .testimonial-card:nth-child(odd),
    .testimonial-card:nth-child(even) {
        transform: rotate(0deg);
    }

    .pillar,
    .pillar--reverse {
        flex-direction: column;
        text-align: center;
        gap: var(--space-lg);
    }

    .pillar__visuals {
        justify-content: center;
    }

    .phone-mockup--small {
        width: 160px;
    }

    .section__title {
        font-size: var(--font-size-xl);
    }

    .founder__inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .founder__photo {
        width: 200px;
        position: static;
    }

    .founder__text .section__title {
        text-align: center;
    }

    .cta__title {
        font-size: var(--font-size-xl);
    }

    .waitlist-form__row {
        flex-direction: column;
    }

    .waitlist-form__btn {
        width: 100%;
    }
}

/* ═══════════════════════════════════════════
   Survey Modal
   ═══════════════════════════════════════════ */

.survey-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    backdrop-filter: blur(4px);
}

.survey-overlay.is-open {
    display: flex;
    animation: fadeIn var(--duration-fast) var(--ease-out);
}

.survey-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl) var(--space-xl);
    max-width: 640px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.25);
    animation: fadeUp var(--duration-normal) var(--ease-out);
}

.survey-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: none;
    border: none;
    font-size: 1.75rem;
    color: var(--color-text-muted);
    cursor: pointer;
    line-height: 1;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: color var(--duration-fast), background var(--duration-fast);
}

.survey-close:hover {
    color: var(--color-text);
    background: var(--color-bg-alt);
}

.survey-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.survey-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.survey-question {
    border: none;
    padding: 0;
    margin-bottom: var(--space-xl);
}

.survey-question legend {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.survey-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.survey-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.125rem;
    margin-bottom: 8px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--duration-fast), border-color var(--duration-fast);
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.survey-option:hover {
    background: var(--color-bg-alt);
    border-color: var(--color-text-muted);
}

.survey-option.is-checked {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
}

.survey-option input[type="radio"],
.survey-option input[type="checkbox"] {
    accent-color: var(--color-accent);
    flex-shrink: 0;
    width: 18px;
    height: 18px;
}

/* ── Pain Ranking (Q2) ─────────────────── */

.pain-ranking {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pain-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.125rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    cursor: pointer;
    transition: background var(--duration-fast), border-color var(--duration-fast), transform 100ms;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    text-align: left;
}

.pain-item:hover {
    background: var(--color-bg-alt);
    border-color: var(--color-text-muted);
}

.pain-item.selected {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
}

.pain-item:active {
    transform: scale(0.98);
}

.pain-rank {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-bg-alt);
    color: var(--color-text-muted);
    font-weight: 700;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
    transition: background var(--duration-fast), color var(--duration-fast);
}

.pain-item.selected .pain-rank {
    background: var(--color-accent);
    color: #fff;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.pain-ranking.shake {
    animation: shake 0.5s var(--ease-out);
}

/* ── Survey Submit & Done ────────────── */

.survey-submit {
    width: 100%;
    padding: 1rem;
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--duration-fast), transform var(--duration-fast);
    margin-top: var(--space-sm);
}

.survey-submit:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

.survey-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.survey-done {
    text-align: center;
    padding: var(--space-2xl) 0;
}

.survey-done p {
    font-size: var(--font-size-xl);
    color: var(--color-text);
    font-weight: 500;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .survey-overlay {
        padding: var(--space-sm);
        align-items: flex-end;
    }

    .survey-card {
        padding: var(--space-lg) var(--space-md);
        max-height: 92vh;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    .survey-title {
        font-size: var(--font-size-xl);
    }
}

@media (min-width: 1200px) {
    .hero__title {
        font-size: var(--font-size-4xl);
    }

    .phone-mockup {
        width: 320px;
    }
}