/* ─────────────────────────────────────────────
   CueLoop Landing Page
   Editorial minimal · Warm · Confident
   ───────────────────────────────────────────── */

:root {
    --primary: #c45a3c;
    --accent: #e0785e;
    --bg: #faf6f4;
    --border: #ede6e2;
    --text-secondary: #7a6e68;
    --text: #201a17;
    --dark-bg: #161210;
    --dark-surface: #1e1a17;
    --dark-text: #f0f0f0;
    --dark-secondary: #888888;

    --font-heading: 'Crimson Pro', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, 'Segoe UI', sans-serif;

    --content-width: 900px;
    --text-width: 600px;
}


/* ─── Reset ─── */

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

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

body {
    font-family: var(--font-body);
    color: var(--text);
    background-color: var(--bg);
    line-height: 1.6;
}

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

::selection {
    background: rgba(196, 90, 60, 0.15);
    color: var(--text);
}


/* ─── Utilities ─── */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 24px;
}


/* ─── Hero Section ─── */

.hero {
    padding: 100px 0 80px;
    text-align: center;
}

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

.wordmark {
    max-width: 560px;
    margin-bottom: 40px;
}

.hero-headline {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: clamp(36px, 5vw, 48px);
    letter-spacing: -0.5px;
    line-height: 1.12;
    color: var(--text);
    margin-bottom: 24px;
}

.hero-subhead {
    font-size: clamp(16px, 2vw, 18px);
    font-weight: 400;
    line-height: 1.65;
    color: var(--text-secondary);
    max-width: var(--text-width);
    margin-bottom: 40px;
}


/* ─── Email Form ─── */

.email-form {
    width: 100%;
    max-width: 480px;
}

.form-row {
    display: flex;
    gap: 12px;
    width: 100%;
}

.form-row input[type="email"] {
    flex: 1;
    min-width: 0;
    padding: 14px 18px;
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--text);
    background: #ffffff;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    outline: none;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form-row input[type="email"]::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.form-row input[type="email"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(196, 90, 60, 0.08);
}

.form-row button {
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
    background: var(--primary);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 0.2s ease, transform 0.15s ease;
}

.form-row button:hover {
    background: var(--accent);
    transform: translateY(-1px);
}

.form-row button:active {
    transform: translateY(0);
}

.form-row button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.form-row button:disabled {
    opacity: 0.7;
    cursor: default;
    transform: none;
}

.form-message {
    margin-top: 12px;
    font-size: 14px;
    line-height: 1.5;
    min-height: 21px;
}

.form-message.success {
    color: #2d7a4f;
}

.form-message.error {
    color: var(--primary);
}

/* Success state — hide form, show message */
.email-form.submitted .form-row {
    display: none;
}

.email-form.submitted .form-message {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    animation: messageReveal 0.4s ease;
}

/* Dark variant for footer form */
.email-form--dark .form-row input[type="email"] {
    background: var(--dark-surface);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--dark-text);
}

.email-form--dark .form-row input[type="email"]::placeholder {
    color: var(--dark-secondary);
    opacity: 0.8;
}

.email-form--dark .form-row input[type="email"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(224, 120, 94, 0.12);
}

.email-form--dark.submitted .form-message {
    color: var(--dark-text);
}


/* ─── Problem & Contrarian Sections ─── */

.problem,
.contrarian {
    padding: 72px 0;
}

.section-content {
    max-width: var(--text-width);
    margin: 0 auto;
    text-align: center;
}

.section-content h2 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: clamp(24px, 3vw, 28px);
    line-height: 1.3;
    letter-spacing: -0.3px;
    color: var(--text);
    margin-bottom: 20px;
}

.section-content p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Thin separator between content sections */
.problem {
    position: relative;
}

.problem::after {
    content: '';
    display: block;
    width: 48px;
    height: 1px;
    background: var(--border);
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}


/* ─── Bottom CTA (Dark Footer) ─── */

.bottom-cta {
    background: var(--dark-bg);
    padding: 96px 0 72px;
    text-align: center;
}

.bottom-cta ::selection {
    background: rgba(224, 120, 94, 0.25);
    color: var(--dark-text);
}

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

.bottom-cta h2 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: clamp(26px, 3.5vw, 32px);
    color: var(--dark-text);
    margin-bottom: 32px;
    letter-spacing: -0.3px;
}

.footer-note {
    margin-top: 20px;
    font-size: 14px;
    color: var(--dark-secondary);
}

.footer-mark {
    width: 40px;
    opacity: 0.25;
    margin-top: 56px;
    transition: opacity 0.3s ease;
    filter: invert(1);
}

.footer-mark:hover {
    opacity: 0.4;
}


/* ─── Animations ─── */

/* Hero staggered entrance */
.hero-animate {
    opacity: 0;
    transform: translateY(16px);
    animation: heroReveal 0.7s ease forwards;
    animation-delay: calc(var(--delay, 0) * 150ms + 200ms);
}

@keyframes heroReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll-triggered reveal */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Success message fade-in */
@keyframes messageReveal {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .hero-animate {
        animation: none;
        opacity: 1;
        transform: none;
    }

    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    @keyframes messageReveal {
        from { opacity: 1; transform: none; }
        to { opacity: 1; transform: none; }
    }
}


/* ─── Responsive ─── */

@media (max-width: 768px) {
    .hero {
        padding: 72px 0 60px;
    }

    .wordmark {
        max-width: 320px;
        margin-bottom: 28px;
    }

    .hero-subhead {
        margin-bottom: 32px;
    }

    .form-row {
        flex-direction: column;
    }

    .form-row button {
        width: 100%;
        padding: 16px;
    }

    .problem,
    .contrarian {
        padding: 56px 0;
    }

    .bottom-cta {
        padding: 72px 0 56px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    .hero {
        padding: 56px 0 48px;
    }

    .wordmark {
        max-width: 280px;
        margin-bottom: 24px;
    }
}