/* ============================================================
   TAXTRIPE MARKETING — BASE.CSS
   Sistema de diseño Mercury-style
   ============================================================ */

/* RESET MÍNIMO */
.tt-reset *,
.tt-reset *::before,
.tt-reset *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* VARIABLES CSS */
:root {
    /* Colores */
    --tt-ink: #0A0A0A;
    --tt-ink-1: #1A1A1A;
    --tt-ink-2: #2A2A2A;
    --tt-paper: #FAFAF8;
    --tt-paper-pure: #FFFFFF;
    --tt-soft: #6B6B6B;
    --tt-soft-2: #9A9A9A;
    --tt-lime: #C7FF3F;
    --tt-lime-600: #A8E635;
    --tt-lime-50: rgba(199, 255, 63, 0.08);
    --tt-lime-100: rgba(199, 255, 63, 0.16);
    --tt-border: rgba(0, 0, 0, 0.08);
    --tt-border-2: rgba(0, 0, 0, 0.12);
    --tt-surf-1: rgba(0, 0, 0, 0.03);
    --tt-surf-2: rgba(0, 0, 0, 0.06);

    /* Estados */
    --tt-ok: #10B981;
    --tt-ok-bg: rgba(16, 185, 129, 0.1);
    --tt-warn: #F59E0B;
    --tt-warn-bg: rgba(245, 158, 11, 0.1);
    --tt-err: #EF4444;
    --tt-err-bg: rgba(239, 68, 68, 0.1);

    /* Radius */
    --tt-r-sm: 8px;
    --tt-r-md: 14px;
    --tt-r-lg: 20px;
    --tt-r-xl: 28px;
    --tt-r-pill: 9999px;

    /* Spacing */
    --tt-s-1: 4px;
    --tt-s-2: 8px;
    --tt-s-3: 12px;
    --tt-s-4: 16px;
    --tt-s-5: 20px;
    --tt-s-6: 24px;
    --tt-s-7: 32px;
    --tt-s-8: 40px;
    --tt-s-9: 56px;
    --tt-s-10: 80px;
    --tt-s-11: 120px;

    /* Sombras */
    --tt-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --tt-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --tt-shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
    --tt-shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.12);

    /* Tipografía */
    --tt-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --tt-mono: 'Geist Mono', 'JetBrains Mono', 'SF Mono', Menlo, monospace;

    /* Easing */
    --tt-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --tt-ease-quick: cubic-bezier(0.4, 0, 0.2, 1);
    --tt-dur-fast: 150ms;
    --tt-dur: 250ms;
    --tt-dur-slow: 400ms;
}

/* APLICAR FUENTE A BODY EN PÁGINAS TAXTRIPE */
body:has(.tt-header) {
    font-family: var(--tt-font);
    color: var(--tt-ink);
    background: var(--tt-paper);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* CONTENEDOR */
.tt-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--tt-s-7);
}

@media (max-width: 768px) {
    .tt-container {
        padding: 0 var(--tt-s-5);
    }
}

/* TIPOGRAFÍA */
.tt-h1,
.tt-h2,
.tt-h3 {
    font-family: var(--tt-font);
    color: var(--tt-ink);
    letter-spacing: -0.025em;
    line-height: 1.1;
    font-weight: 800;
}

.tt-h1 {
    font-size: clamp(40px, 6vw, 80px);
    letter-spacing: -0.04em;
    line-height: 1.02;
}

.tt-h2 {
    font-size: clamp(32px, 4vw, 56px);
    letter-spacing: -0.03em;
}

.tt-h3 {
    font-size: clamp(24px, 2.5vw, 32px);
    letter-spacing: -0.02em;
    font-weight: 700;
}

.tt-eyebrow {
    display: inline-block;
    font-family: var(--tt-mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--tt-lime-600);
    background: var(--tt-lime-50);
    border: 1px solid var(--tt-lime-100);
    padding: 6px 12px;
    border-radius: var(--tt-r-pill);
}

.tt-soft {
    color: var(--tt-soft);
}

.tt-mono {
    font-family: var(--tt-mono);
}

/* WORDMARK */
.tt-wordmark {
    font-family: var(--tt-font);
    font-weight: 800;
    font-size: 22px;
    letter-spacing: -0.045em;
    color: var(--tt-ink);
    display: inline-flex;
    align-items: baseline;
    line-height: 1;
}

.tt-wordmark__dot {
    color: var(--tt-lime);
}

.tt-wordmark--lg {
    font-size: 48px;
}

.tt-wordmark--xl {
    font-size: 72px;
}

/* BOTONES */
.tt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 40px;
    padding: 0 18px;
    border-radius: var(--tt-r-md);
    font-family: var(--tt-font);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.01em;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--tt-dur) var(--tt-ease);
    white-space: nowrap;
    user-select: none;
}

.tt-btn--primary {
    background: var(--tt-ink);
    color: var(--tt-paper-pure);
    border-color: var(--tt-ink);
}

.tt-btn--primary:hover {
    background: var(--tt-ink-1);
    transform: translateY(-1px);
    box-shadow: var(--tt-shadow-md);
}

.tt-btn--lime {
    background: var(--tt-lime);
    color: var(--tt-ink);
    border-color: var(--tt-lime-600);
}

.tt-btn--lime:hover {
    background: var(--tt-lime-600);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(199, 255, 63, 0.4);
}

.tt-btn--secondary {
    background: var(--tt-paper-pure);
    color: var(--tt-ink);
    border-color: var(--tt-border-2);
}

.tt-btn--secondary:hover {
    background: var(--tt-surf-1);
    border-color: var(--tt-ink);
}

.tt-btn--ghost {
    background: transparent;
    color: var(--tt-ink);
}

.tt-btn--ghost:hover {
    background: var(--tt-surf-1);
}

.tt-btn--lg {
    height: 52px;
    padding: 0 24px;
    font-size: 15px;
    border-radius: var(--tt-r-md);
}

.tt-btn--full {
    width: 100%;
}

.tt-btn svg {
    width: 16px;
    height: 16px;
}

/* PILLS */
.tt-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 24px;
    padding: 0 10px;
    border-radius: var(--tt-r-pill);
    font-family: var(--tt-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.01em;
    border: 1px solid transparent;
}

.tt-pill--ok {
    background: var(--tt-ok-bg);
    color: var(--tt-ok);
    border-color: var(--tt-ok);
}

.tt-pill--warn {
    background: var(--tt-warn-bg);
    color: var(--tt-warn);
}

.tt-pill--neutral {
    background: var(--tt-surf-1);
    color: var(--tt-soft);
}

.tt-pill--lime {
    background: var(--tt-lime-50);
    color: var(--tt-lime-600);
    border-color: var(--tt-lime-100);
}

/* ANIMATIONS UTILITY */
.tt-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--tt-ease), transform 0.6s var(--tt-ease);
}

.tt-fade-in.tt-visible {
    opacity: 1;
    transform: translateY(0);
}

/* PLACEHOLDER PÁGINAS */
.tt-placeholder {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    padding: var(--tt-s-11) 0;
}

.tt-placeholder__inner {
    max-width: 640px;
    text-align: center;
    margin: 0 auto;
}

.tt-placeholder__title {
    font-family: var(--tt-font);
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin-top: var(--tt-s-6);
}

.tt-placeholder__text {
    font-size: 18px;
    color: var(--tt-soft);
    margin-top: var(--tt-s-5);
    line-height: 1.6;
}

.tt-placeholder__cta {
    margin-top: var(--tt-s-8);
    display: inline-flex;
    gap: var(--tt-s-3);
}

@media (max-width: 768px) {
    .tt-placeholder__cta {
        flex-direction: column;
        width: 100%;
    }
}